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Closer row widths increase plant to plant competition for nutrients and water but also increase sunlight use efficiency. According to former Iowa State University Soybean Extension Specialist Palle Pedersen, current recommendations are to plant rows that are less than 30" apart. This increases light interception and decreases weed competition. [2]
In 1996, Asgrow released the first Roundup Ready Soybean to the market building upon Monsanto's work to create petunia plants tolerant to small amounts of Roundup developed by Robert Fraley in 1985. The first season of sales saw over 1 million acres using the new seed and quickly over 80% of US soybeans were produced with the seed. [6]
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Grantville-area farmer Dan Bigham won an award in a recent national yield contest.
No-till farming (also known as zero tillage or direct drilling) is an agricultural technique for growing crops or pasture without disturbing the soil through tillage.No-till farming decreases the amount of soil erosion tillage causes in certain soils, especially in sandy and dry soils on sloping terrain.
Such maps are typically richer in context and show higher spatial detail, yet are not necessarily more accurate than traditional soil maps. Soil maps produced using (geo)statistical technique can also include an estimate of the model uncertainty. [3] An example of a traditional soil map showing soil mapping units, described soil profiles and ...
In 2010 [2] the soybean genome sequence was released along with gene models and many other types of genome annotations that were integrated in to SoyBase. SoyBase genetic linkage maps were integral to the assembly of the soybean genome. In 2018 the database received approximately 63,000 page requests from 2,600 users per month from 130 countries.