An increase in plant density has no effect on the growth and yield of common beans. Grain yield per hectare decreased by 38, 51, and 72% respectively with the increases in plant population, but yield of total dry matter per hectare showed a significant increase with density. Seed rate = 100 x 35/90 or 39 kg ha-1 (check the first table for likely establishment percent).. For a plot size of 10 m x eight rows (at 20 cm spacing), or 0.0016 ha . Acock, B. <jats:p>The objective of the study was to determine the effect of plant population on the growth and yield of maize. The study was conducted during th . Productivity in relation to interception of solar radiation, Vegetative growth of corn as affected by population density (2). Werni, Christian 1986. Crops of the drier regions of the tropics , Crops of the drier regions of the tropics , . Components of growth, net assimilation rate and leaf area index. Field trials were therefore conducted to study the effects of four plant densities, varying from 2.0 to 12.5 plants m-2 on water and radiation use and performance of two Masakwa . It was concluded that under Botswana conditions or in semi-arid areas, safflower should be planted at 50 cm 20 cm or wider in order to maximize yield and oil content and allow the plants to express their maximum genetic potential. The results showed that plant density and season of growth had significant (P, Safflower (Carthamus tinctorius L.) is a multipurpose oilseed crop that is tolerant to drought, saline, heat and cold conditions; and yields high quality edible seed oil. In field trials at Giza in 1986-1987, cotton cv. and 6. BEGONIA, G. B. Giza 75 was sown at 166,000, 222,000 and 333,000 plants/ha and given foliar applications of 0, 250, 500 and 750 ppm Cycocel (chlormequat) or Alar (daminozide). In soya beans (var. Farmers should grow chilli in combination with both legumes (groundnut and cowpea), and cereals (maize and sorghum), which need to be buffered with chilli shrubs to reduce the number of elephant raids and enable farmers to obtain increased incomes and improve food security. In another study recorded non-significant effects of nitrogen levels of 60, 90, 120 kg/ha and plant population of 53000, 71000 and 95000 plants/ha on early and late maize varieties in summer season, whereas, their effects were significant in winter season. "displayNetworkTab": true, Effect of plant population density on the growth and yield of sorghum varieties grown on a vertisol. Field experiments consisting nine spacing: three row to row (inter row: 43 cm, 50 cm and 60 cm) and three plant to plant (intra row: 10 cm, 15 cm and 20 cm) with plant population ranging from 8-23/m2, Two field trials were conducted in 2007 and 2008 to determine the appropriate sequence of planting and spatial arrangement for the maize-soybean intercropping system for optimum growth. McKinion, J.M. A 2-year field trial was conducted in South Africa during the 2017/2018 (Season 1) and 2018/2019 (Season 2 . When seed samples of spring wheat (Triticum aestivum L., cv. Total above-ground phytomass (TAGPM) was not significantly different among the plant populations, either during or at the end of the growing season. Until 1948, the USDA recommendation for pickling cucumber spacing was 6 to 7 feet between rows and 3 to 4 feet between plants in the row, for a planting density of 1,500 to 2,500 plants per acre. [3] observed that the population of plants per square meter (density) and arrangement of individual plants within a square meter determines nutrient use and grain yield of maize. Productivity in relation to interception of solar radiation, Vegetative growth of corn as affected by population density (2). 2015, International journal of Advanced Biological and Biomedical Research. However, plant height, number of primary branches per plant, and essential oil content were not influenced by the interaction effect. Over the range of the densities studied grain yield was positively related to number of side branches but negatively related to dry-matter production, leaf area duration and percentage of light intercepted. The effect of six plant population densities i.e. The effect of virus on population growth rate depended on virus species and wild C. pepo population. and On the other hand, when the number of plants per unit area decreased, the yield also decreased. The minimum plant population that maximized grain yield in a 76-cm row spacing was 94,000 plants ha 1 but was 109,000 plants ha 1 in a 51-cm row spacing (Table 5). The effects of photosynthetic photon flux (PPF), day temperature (DT) and night temperature (NT) on leaf number, leaf unfolding rate and shoot length were determined for chrysanthemum grown under short day (SD) conditions. A. C. Enyi}, journal={The Journal of Agricultural Science}, year={1973}, volume={81}, pages={131-138} } Grain and total dry weight of maize (Zea mays L.) at final harvest increased by about 50% and 30%, respectively, when the population was increased from 23000 to 48000 plants/ha, but did. Among them, safflower (Carthamus tinctorius L.) is an important annual industrial crop. 3H55F4/149/1) grown in Tanzania, the total dry matter per plant, pod weight/stem weight, shelling percentage, number of nodes per plant, number of pods per plant, percentage number of nodes with pods, number of filled pods per plant, number of branches per plant, and grain weight from side branches decreased with increase in plant density from 74 to 111, 222, and 444 thousand plants per hectare. A set of studies was conducted to evaluate the effect of two seed . Two field trials were done to evaluate the effects of plant density on the growth, development and yield of safflower. In the semi-arid and cold area with low soil moisture of northern Shanxi, the planting density of the kidney bean variety 'Yingguohong' is recommended to be 240 000-260 000 plant/ha. In Pakistan grain yield of maize is very low as compared to other maize growing countries like Italy (9530 kg ha-1), Canada (6630 kg ha-1), China (4570 kg ha-1) and Argentina producing average maize yield of 5650 kg ha-1 (Tahir et al., 2009). The only reliable method of determining the fertilizer needs of a lawn is through a soil test to reveal the soil's native fertility, which will pinpoint potential problems you could not be aware of. An experiment was undertaken to determine the yield component and yield of haricot bean (Phaseolus vulgaris L.) varieties in the semiarid region of Dire Dawa, Ethiopia. 10 (6): 722-725 ; November-December, 2019 Abstract. Bernhart, Maria Hodges, H.F. "shouldUseHypothesis": true, Crop growth rate increased with increasing leaf area, which in turn increased with increasing plant density. Adam, Eveline 2011 English. We use cookies to distinguish you from other users and to provide you with a better experience on our websites. The, Summary: ., Shahin Yazdifar In a study to determine the effects of plant population density on sorghum, Tabo et al. ., Sahab Rahmanzade Crop growth rate increased with increasing leaf area, which in turn increased with increasing plant density. In population ecology and economics, maximum sustainable yield (MSY) is theoretically, the largest yield (or catch) that can be taken from a species' stock over an indefinite period.Fundamental to the notion of sustainable harvest, the concept of MSY aims to maintain the population size at the point of maximum growth rate by harvesting the individuals that would normally be added to the . Initial rapid tillering resulted in a maximum tiller density within 37 to 63 d after seeding (DAS). ., Shahin Yazdifar Content may require purchase if you do not have access. Grain yield per hectare decreased by 38, 51, and 72% respectively with the increases in plant population, but yield of total dry matter per hectare showed a significant increase with density. Effect of Plant Population Density on Growth and Leaf Yield of Moringa Oleifera Lam. The highest shoot dry weight and leaves dry weight per unit area was achieved in plant density of 10 pl.m 2 but the highest essential oil yield obtained in plant density of 8 pl.m 2. Contributions of life-history transitions and life-history traits to population growth rates varied among populations and virus treatments. "useRatesEcommerce": false, The data suggest that soybean depletes soil N to a lesser extent than does maize and no benefit was gained from planting soybeans at a density beyond the optimum for grain yield when residues were removed by forage harvesting. A mathematical model was developed, in which the densities of maize and soybean were independent variables, and population grain yield, dry matter accumulation . The proportion of dry matter accumulated in the pods and side branches decreased with increase in population, whereas the proportion accumulated in the main stem increased. 2007. ., Amir Fayaz Moghaddam The lower populations are used under dryland conditions when soil-water levels at planting are low and the higher populations are used under irrigation. ., Amir Fayaz Moghaddam Winkler, Johanna Main-stem and lateral pods, seed pod1, potential fruiting sites and lateral branch number were inversely proportional to plant density, and lateral pod production was more sensitive to population pressure than main-stem pod production. Journal of the American Society for Horticultural Science. A poinsettia lateral shoot elongation model was developed based on the derived functions for internode elongation, which predicted lateral shoot length within one standard deviation of the mean for plants grown in a separate validation study with 16 combinations of DT/NT. The interaction effect of the two factors brought about significant variation on aboveground biomass, leaf fresh weight, leaf dry weight, and Essential oil yield. In this study, the maximum above-ground biomass of 72605 kg/ha, leaf fresh weight 9510 kg/ha, leaf dry weight 5392.7 kg/ha, and Essential oil yield of 23.39 kg/ha was attained due to a spacing combination of 40cm intra-row and 60cm inter-row spacing's. In order to obtain wild. The Effect of Plant Population Densities on Growth, Yield and Yield Components of Two Spring Rapeseed Cultivars Plant, Soil and Environment. We use cookies to distinguish you from other users and to provide you with a better experience on our websites. Effect of sowing dates and spacing on growth and yield of July 16th, 2020 - 45 row spacing whereas lowest leaf number 28 84 and leaf area per plant 97 76 sq cm was recorded with 15th August sowing and 45x30 . Medicine Insect Science. Torabi Jaf, Azarakhash Total loading time: 0.228 Uneven distribution of plants can reduce grain yield compared to uniform distribution at the same density [3]. SAS is utilized throughout to analyze and model growth curves, aiding readers in estimating specialized growth rates and curves. In field trials at Giza in 1986-1987, cotton cv. and 1.9.2 . This combination allows organic matter to disperse through the soil and also allows plants to access the nutrients they retains and enhance the soil's fertility. Kaul, Hans-Peter "useSa": true A field experiment was conducted at wondo genet Agriculture research center under the irrigated conditions to determine the effect of intra and inter-row spacing on growth and yield of Artemisia (Artemisia annua L.) during the two successive seasons Effects Of Nitrogen Levels And Plant Populations On Growth And Yield Of Chickpea (Cicer Arietinum L.) Under Dryland Conditions In Kenya . Reddy, V.R. The interaction between faba bean genotypes and plant population had significant effects on all studied characters except number of days to flowering. ALDRICH, R. J. There was a greater positive relationship between total tuber yield and leaf area duration between tuber initiation and the final sampling period than that between it and absolute Leaf area duration. Similarly, other findings confirm the highest marketable yield obtained from closer plant spacing [14, 15]. The experimental approach was to grow field corn at various population densities to permit variations in amount and manner of light interception, and the growth rate of the crop in terms of dry matter accumulated in both shoot and root tissues is interpreted in relation to light interception by the foliage assemblages. 2017) and higher population levels, plants under different environmental stress conditions, or the soybean growth stage when H. zea infests the field could provide more insight on potential compensation mechanisms to H. zea reproductive tissue feeding. "isUnsiloEnabled": true, A higher number of plants is related to a higher number of fruit clusters and a higher number of fruits and, thereby, higher yield [12, 13]. Soybean yields, pod and branch numbers were inversely related to the height of velvetleaf (Abutilon theophrasti). Measurements were taken at seventy five days after planting . (Log in options will check for institutional or personal access. ., Abdollah Hasanzade Effect Of Plant Population Density On The Growth And Yield Of Sorghum Varieties Grown On A Vertisol Tabo, R and Olabanji, O G and Ajayi, O and Flower, D J (2002 . View all Google Scholar citations 8 The highest grain yield (9352 kg/ha) was produced when applied fertilizer @ 120 kg N/ha . and SALISBURY, C. D. 1.9.1 Main Objective. The plant population in farmer fields were found in the range of 80,000 . The experiment was conducted by Augmented Experimental Design consisting of, Oilseeds are of great value in nutritional demands of mankind, animal feeding, and medicine. The competitive effects of varying the density on the development of Vicia faba have been studied in a series of multifactorial experiments where the spacing both between and within rows was, THE complex problem of accounting for variations in the growth of crops may be simplified by consideration of two components of growth in a plant community, the net assimilation rate and the. Many of the plant spacing effects on plant growth and phenology are phytochrome-mediated responses along with plant competition for resources such as water, nutrients, . Crop growth rate increased with increasing leaf area, Hampton appears to have the potential for high seed yield under the prevailing local conditions. 1.8.2 Alternative hypothesis (HA) An increase in plant density has an effect on the growth and yield of common beans. 1991. Academia.edu no longer supports Internet Explorer. "useRatesEcommerce": false, A field experiment to determine the effect of plant population densities on maize was conducted at the Agricultural Research Institute, Dera Ismail Khan, in mid July 2009. Effect of Plant Growth Regulators and Micronutrients Spray on Growth, Fruit Yield and Quality of Acid Lime (Citrus aurantifolia Swingle) cv. The range of plant height (1.83 to 2.45 m) in our study was consistent with the results (1.97 to 2.27 m) of [ 27 ]. Therefore, it could be concluded that Artemisia annua could be planted at an optimum spacing of 40 x 60 cm in the Wondo genet area to attain maximum yield. Smooth Cayenne pineapples were planted in November 1986 in the Eastern Cape, South Africa, at plant population densities (population) of 43 421, 56 666, 65 570 and 82 500 plants ha-1.Plots were fertilized with 600 or 900 kg ha-1 of nitrogen applied to the plant and ratoon crop. } Grain yield per hectare decreased by 38, 51, and 72% respectively with the increases in plant population, but yield of total dry matter per hectare showed a significant increase with density. Torabi Jaf, Azarakhash cultivars 29 (local origin) and Orba (national origin) were grown at four populations in two experiments during the d "useSa": true Seed rate to be used for sowing can then be calculated using the following formula. The highest seed yields were obtained when all the above got maximized (Tessbo et al., 2004). Lemmon, H.E. The production of biodiesel from the cold pressed oil of safflower of Balci variety grown in Yozgat ecological condition has been carried out and the fuel properties of the biodiesel produced were compared with that of TS EN 14214. Plant populations ranged from 122 to 458 plants m 2. 2019. The highest shoot and leaves dry weights per unit area and essential oil yield was achieved by Isfahan population in plant density of 8 pl.m 2. 2007. T1 (40000 plants ha-1), T 2 (60000 plant ha -1), T 3 (8 0000 plants ha -1), T 4 (100000 plants ha -1), T 5 (120,000 . However, this population-virus interaction was not evident when examining individual components of fitness. The soybean cyst nematode (SCN) (Heterodera glycines Ichinohe) is a significant yield-limiting factor in soybean production in the Midwestern US. Render date: 2022-11-04T02:21:12.256Z Hodges, H.F. Close this message to accept cookies or find out how to manage your cookie settings. These climate-change-induced stress factors, together with the ever-growing human population, compromise sustainable food security for all consumers across the world. Close this message to accept cookies or find out how to manage your cookie settings. Information on optimum fertilizer rates and plant population density has not been. Maize plant height is a very important parameter for biomass yield and nutritional quality of silages, and it also reflects crop growth attained during the growing period. In this context, a field experiment was conducted to study the effect of herbicides on soil microflora, root nodulation, growth and yield of chickpea under rainfed condition during the rabi season of 2017-18 and 2018-19 at Zonal Research Station, Chianki, Palamau, (Birsa Agricultural University, Ranchi), Jharkhand (India). You can download the paper by clicking the button above. Earthworms improve the soil's biological, chemical, and physical characteristics and serve as soil conditioners. . 27 March 2009. Content may require purchase if you do not have access. 588-591 ISSN: 0974-0112 Subject: Citrullus lanatus, fruit weight, fruits, grasses, horticulture, mulches, plant growth, soil temperature, soil water, vines, volumetric water content . Effect of Plant Population Density on Plant Height Results on effects of population densities from different treatments on plant heights are presented in table 2 below. Bernhart, Maria Effect of plant population and mulching on wild watermelon growth and yield Author: N. Mtumtum, A.T. Modi Source: Indian journal of horticulture 2014 v.71 no.4 pp. Sorry, preview is currently unavailable. Reddy, V.R. The effects of plant density on population yield and economic output value in maize and soybean intercropping were studied with the design of the double saturated D-optimal regression. The Columbian exchange, also known as the Columbian interchange, was the widespread transfer of plants, animals, precious metals, commodities, culture, human populations, technology, diseases, and ideas between the New World (the Americas) in the Western Hemisphere, and the Old World (Afro-Eurasia) in the Eastern Hemisphere, in the late 15th and following centuries. Soybean (Glycine max (L.) Merr.) They found the risk of not achieving full grain yield potential was greatest when final stands were below 26,000 plants per acre. Werni, Christian plant height, dry matter, cob length, number of grain cob 1, cob weight, and test weight (Table 1).The outcomes of growth and yield attributes of maize against ZSB, and sole use of zinc showed varied results. Safflower is. 1.10 Objective. Under high plant population individual plant yieldwill be low due to narrow spacing leading to competition between plants. (2002) concluded that higher grain yield were observed with increasing plant densities. Unfortunately you do not have access to this content, please use the, Hostname: page-component-6f888f4d6d-82j64 The effect of H. zea feeding on soybean final yield is a complex process (Reisig et al. Growth, Yield Attributes and Yield. Light seems to be the major factor controlling grain yield in this variety of soya bean, low light intensity under the plant leading to a reduction in the number of side branches, number of pods per plant and number of nodes with pods. Factorial combinations of four intra-rows (40, 60, 80, 100 cm) and four inter-row plant spacings (60, 80, 100, 120 cm) were laid out in a randomized complete block design with three replications. It is a short duration crop and is grown twice in a year. Effects of plant population and row spacing on yield and 3H55F4/149/1) grown in Tanzania, the total dry matter per plant, pod weight/stem weight, shelling percentage, number of nodes per plant, number of pods per plant, percentage number of nodes with pods, number of filled pods per plant, number of branches per plant, and grain weight from side branches decreased with increase in plant density from 74 to 111, 222, and 444 thousand plants per hectare. Plant populations for oilseed hybrids range from 14,000 to 22,000 plants per acre. and Relative growth rate, however, decreased with rising population. Has data issue: true Neugschwandtner, Reinhard W. The obtained consequences recorded a significant effect in the vegetative characters at LSD 5% which are as follows: plant length (1.58 and 1.89), root length (2.09 and 1.42), number of leaves per . To determine the effect of different plant densities on the yield and growth of common bean. Effects of Plant Density, Interlighting, Light Intensity and Light Quality on Growth, Yield and Quality of Greenhouse Sweet Pepper" Optimizing Plant Density and Nitrogen Application to Manipulate Tiller Growth and Increase Grain Yield and Nitrogen-Use Efficiency in Winter Wheat 2019. The fields having 225,000 plants per hectare produced the highest paddy yield of 4.6 ton/ha that was about 41 percent higher than the field with 175,000 plants per hectare. Yield per plant decreases gradually as plant population per unit area is increased, but yield per unit area increases upto certain level of population 8. However, "isUnsiloEnabled": true, Soil Science. Although final vegetative above-ground . ., Sahab Rahmanzade Relative growth rate, however, decreased with rising population. Several management practices are implemented to mitigate yield losses caused by SCN, including using SDHI (succinate dehydrogenase inhibitors) fungicides delivered as seed treatments. . User. Hostname: page-component-6f888f4d6d-82j64 Light seems to be the major factor controlling grain yield in this variety of soya bean, low light intensity under the plant leading to a reduction in the number of side branches, number of pods per plant and number of nodes with pods. This paper is the report of a study of the effect of space and arrangement of plants on the production of soybeans in the northeastern range of their production. It is shown that for many crops, earlier maturity is associated with higher harvest index, and/or it has been shown that photoperiod gene(s) control partitioning of photosynthate toward reproductive growth versus toward competitive partitioning to continued vegetative growth. and The land equivalent ratios (LERs) based on the sole crop yields of individual crop and legume components, provides a quantitative evaluation of the yield advantage due to intercropping. For late maturing varieties (more than 113 CRM) the optimum plant population was 26,000 plants per acre. Effect of plant population on growth and yield of soya bean( Glycine max ) @article{Enyi1973EffectOP, title={Effect of plant population on growth and yield of soya bean( Glycine max )}, author={B. They do so by dissolution, aeration, soil . DOI: 10.1017/S002185960005841X Corpus ID: 86631012. Total loading time: 0.228 Research results published by Pioneer Hi-Bred Int'l from studies conducted in 2001 documented similar effects of plant spacing variability on corn grain yield, with reported yield losses due to PSV averaging 3.4 bpa per inch of SD ( Doerge et al . The objective of this study, Two field experiments were carried out at the Botswana University of Agriculture and Natural Resources in Southern Region of Botswana to evaluate the effects of plant density and genotypes on yield, This research was conducted at Applying Research Field, Faculty of Agriculture, Namk Kemal University, Tekirda in 2016. Effect of Plant Population Density on Growth and Leaf Yield of Moringa Oleifera Lam. Render date: 2022-11-04T02:21:12.256Z Fye, R.E. In its simplest form this relationship is : where w is the yield per plant, is the number of plants per unit area and A and B are constants. 1986. In soya beans (var. Published online by Cambridge University Press: The seed yield of bean is the result of many plant growth processes which ultimately influence the yield components such as pods/plant, seeds/pod, and unit weight of seed. Username: Password: Remember me: Journal Content . Plant population density plays an important role on crop growth and yield as response to light penetration and photosynthesis rate. Ganganagar Lime - 1 satya dwivedi 2022, International Journal of Current Microbiology and Applied Sciences interaction effects on grain yield were significantly higher under the highest PPD (148,148. plants/ha) and 20, 40 and . Effect of plant population on growth and yield of soya, Faculty of Agriculture, University of Bar es Salaam, Tanzania, https://doi.org/10.1017/S002185960005841X, Get access to the full version of this content by using one of the access options below. Feature Flags: { This effect was attributed to increasing interception of light with. By clicking accept or continuing to use the site, you agree to the terms outlined in our. for this article. Crop growth rate increased with increasing leaf area, which in turn increased with increasing plant density. Pucher, Michael A. Semantic Scholar is a free, AI-powered research tool for scientific literature, based at the Allen Institute for AI. A field experiment was conducted at wondo genet Agriculture research center under the irrigated conditions to determine the effect of intra and inter-row spacing on growth and yield of Artemisia (Artemisia annua L.) during the two successive seasons of 2013 and 2014. Lambert, J.R. 3H55F4/149/1) grown in Tanzania, the total dry matter per plant, pod weight/stem weight, shelling percentage, number of nodes per plant, number of pods per plant. "displayNetworkMapGraph": false, Four safflower (Carthamus tinctorius L.) cultivars were evaluated at five plant populations in experiments over 2 yr at three North Dakota locations and Cultivar effects were significant for all yield components. Enter the email address you signed up with and we'll email you a reset link. The zinc fertilizer and zinc-solubilizing bacteria positively affected the growth and yield parameters, viz. This study investigated the effect of M. graminicola population densities on plant height, heading, and the photosynthetic parameters of rice in a greenhouse. Periodical Article for Undergraduate. Abstract. Earthworms mix soil layers and bind the soil with organic matter. yield. Effect of NPSB rates and plant population on growth parameters and yield of maize (Zea mays L.) in Ethiopia.Green Farming Vol. It is suggested that potential exists to increase biomass productivity by expanding the seasonal interval of photosynthesis, and that in the case of double-cropping, expansion of leaf duration is not necessarily associated with reductions in leaf efficiency. The effect of Abutilon theophrasti on dry matter, branching and flowering node, and seed production of soybean was evaluated and the effect was most pronounced on soybean seed yield, and less on flowering node and dry weight production. In addition, the book discusses key application areas including economic, plant, population, forest, and firm growth and is suitable as a resource for assessing recent growth modeling trends in the medical field. Components of growth, net assimilation rate and leaf area index. "shouldUseShareProductTool": true, Meloidogyne graminicola is a destructive soil-borne pathogen that causes rice yield losses (Oryza sativa L.) in tropical and subtropical areas. "shouldUseShareProductTool": true, The magnitude of yield loss observed over 8 site-years ranged from 1.2 to 4.5 bpa per inch of SD. Increased tolerance to competition for soil resources of modern maize (Zea mays L.) hybrids increases soil resource use efficiency and yield. McKinion, J.M. Has data issue: true Lambert, J.R. To quantify the impact of different agronomic management practices on soybean productivity, two studies were conducted to determine the value of the foliar application of two different foliar manganese products to relieve yellow flashing in glyphosate resistant soybeans sprayed with the herbicide glyphosate. The results showed that plant density and . 27 March 2009. That level of plant population is called as optimum population 9. Over-accumulation of salt in rice plants is an effect of salt stress which decreases growth and grain yield. FUFA ANBESSA FEYISA, THOMAS ABRAHAM and HABTAMU ASHAGRE. Summary In soya beans (var. (Log in options will check for institutional or personal access. Grain yield per hectare decreased by 38, 51, and 72% respectively with the increases in plant population, but yield of total dry matter per hectare showed a significant increase with density.
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