Planting Date, Cultivar, and Tillage System Effects on Dryland Soybean Production

Popp, Michael P.; Keisling, T. C.; McNew, R. W.; Oliver, Lawrence R.; Dillon, Carl R.; Wallace, Daniel M.

doi:10.2134/agronj2002.0081

Cited by 33 publications

(31 citation statements)

References 9 publications

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“…The sowing date is possibly the main and less expensive crop management, which impacts the soybean grain yield (Popp et al, 2002;Robinson et al, 2009). In soybean crop, early sowing can increase grain yield (Wilcox & Frankenberger, 1987) or not change it (Grau et al, 1994).…”

Section: Introductionmentioning

confidence: 99%

Sowing Dates and Soybean Cultivars Influence Seed Yield, Oil and Protein Contents in Subtropical Environment

Pierozan¹,

Kawakami²,

Schwarz³

et al. 2017

JAS

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The sowing date is the crop management practice with higher interference on soybean grain yield, although this interference is dependent on the genotype by environment interaction. This study was carried out to evaluate how soybean genotypes behave at different sowing times in a subtropical environment. We evaluated the grain yield, yield components, plant morphology and grain oil and protein content of four soybean cultivars (FPS Urano RR, BMX Apolo RR, BMX Energia RR and BRS 284) at three sowing dates (early, mid, and late sowing in 2010/2011 season) in Mid-South of Parana State, Brazil. Early cultivars at late sowing may have problems with mechanical harvest. The number of pods and grains differed among cultivars, and the cultivar "BRS 284" showed the best results. As an exception, the cultivar "BRS 284" showed yield stability among sowing dates. Higher amount of grain protein content occurs in middle and late sowing dates. The grain yield decreased with delay of sowing due to the reduction of the grains mass and in Southern Brazil is very important to assure high mass of seed to obtain high grain yields.

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Section: Introductionmentioning

confidence: 99%

Sowing Dates and Soybean Cultivars Influence Seed Yield, Oil and Protein Contents in Subtropical Environment

Pierozan¹,

Kawakami²,

Schwarz³

et al. 2017

JAS

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“…Pedersen et al (2004) conducted an experiment and stated that earlier planting led to an increase in the number of seeds, in the number of pods, and in the harvest index, but that the number of seeds per pod declined, compared to later planting dates. Pop et al (2002) concluded, from the experiment they had conducted, that if the planting of cultivars with unlimited growth was delayed from the 23 rd day of the second month in spring to the 15 th day of the first month in summer, the height of the plants and the number of nodes on the main stem would decrease , while in cultivars with unlimited growth planted after the end of spring these features did not show a decline and decreases in yield were observed in crops planted after the first half of the last month of spring. McWilliams et al (2004) evaluated the effects of minimizing delays in planting and the environmental stresses on optimizing seed yield , and found out that second crop or late planted soybean, compared to the first crop soybean, was influenced by the two important factors of temperature and day length (which increased and decreased, respectively, in summer).…”

Section: Introductionmentioning

confidence: 99%

Investigation of the Effects of Plant Density and Planting Date on the Quantitative and Qualitative Yields of Two Advanced Soybean Lines

Daneshmand¹,

Yazdanpanah²,

Koochaksaraee³

et al. 2013

IJB

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A split split plot experiment in the format of randomized complete block design with three replications was carried out in the experimental field of the Islamic Azad University of Qaemshahr in 2010. The treatments included the planting dates (28 th April and 14 th June) as the main plot, the soybean lines 032 and 033 as the sub plot, and the plant density (20, 28 and 40 plants per square meter) as the sub-sub plot. Results obtained showed that the plant density was only significant concerning the features of the number of seeds and the number of pods per plant, the planting date was also only significant regarding the harvest index, the percentage seed oil content was also just influenced by the cultivar used and by the mutual effects of the planting date and the cultivar and also by the mutual effects of the planting date and the cultivar. The summer crop was superior to the spring crop in all the features studied, because it seemed that the high temperature and the very little rainfall before and after pollination and flowering reduced seed and pod formation in the spring crop, as compared to the summer crop. In most of the features studied, line 033 performed better than line 032. Moreover, the most desirable density for obtaining the highest seed and oil yield was 20 plants per square meter, because at this density features such as the number of seeds per plant, the number of pods per plant, the 100-seed weight, and seed oil content were superior. Soybean planted after harvesting wheat (i.e. the summer crop) exhibited greater potential regarding seed yield as compared to the crop planted after harvesting canola (i.e. the spring crop).

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“…The comparative economics of tillage can vary by region, cropping system, variable input costs, risk aversion, and management experience among other factors. The economics of studies utilizing older technology also do not apply very well to current conditions (8,11,15,21,26,38, 63,64,65,74,78,79,80,82,86,96, 106,108,109).…”

Section: Introductionmentioning

confidence: 99%

Influence of Tillage on Corn and Soybean Yield in the United States and Canada

2006

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An extensive literature review was conducted of corn and soybean research that compared yields of no‐tillage to conventional fall tillage systems. The objective was to test the hypothesis that no‐till has a different effect on corn and soybean yields in different regions of the United States and Canada. The trial results were mapped to look for geographic and environmental patterns in the relative performance of no‐tillage to conventional tillage on corn and soybean yield. The national average difference in corn and soybean yield between no‐tillage and conventional tillage was negligible. A map of the tillage yield comparisons was created for the U.S. and Canada. No‐till tended to have greater yields than conventional tillage in the south and west regions. The two tillage systems had similar yields in the central U.S., and no‐till typically produced lower yields than conventional tillage in the northern U.S. and Canada. No‐tillage had greater corn and soybean yields than conventional tillage on moderate‐ to well‐drained soils, but slightly lower yields than conventional tillage on poorly drained soils. Corn and soybean yields tended to benefit more from crop rotation in no‐till as compared to continuous cropping. Future tillage research should focus on optimizing successful high residue no‐tillage or strip‐tillage production systems instead of making comparisons to conventional tillage systems.

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Planting Date, Cultivar, and Tillage System Effects on Dryland Soybean Production

Cited by 33 publications

References 9 publications

Sowing Dates and Soybean Cultivars Influence Seed Yield, Oil and Protein Contents in Subtropical Environment

Sowing Dates and Soybean Cultivars Influence Seed Yield, Oil and Protein Contents in Subtropical Environment

Investigation of the Effects of Plant Density and Planting Date on the Quantitative and Qualitative Yields of Two Advanced Soybean Lines

Influence of Tillage on Corn and Soybean Yield in the United States and Canada

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