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Publications

The materials on this site are organized by topic. Use the menu to browse for materials related to the listed topics. You'll find the most recent materials at the top of each list.

The educational materials listed here have been through a thorough review process and are available in hard copy from the Distribution Center unless marked otherwise. Most are free in PDF format. Some are for sale only. Click here to order NDSU Extension Service curricula and other items for sale through MarketPlace.

Latest NDSU Extension Publications

Soybean Variety Trial Results 2013

North Dakota Soybean Variety Trial Results for 2013 and Selection Guide - A843

Soybean variety selection should be based on maturity, yield, seed quality, lodging, iron deficiency chlorosis tolerance and disease reaction. Later-maturing varieties tend to yield more than early maturing varieties when evaluated at the same location. After determining a suitable maturity for the farm, comparing yields of varieties that are of similar maturity is important. Although later maturity increases yield potential, later- maturing cultivars are more risky to grow than earlier-maturing varieties because an early fall frost may kill a late-maturing variety before the beans have filled the pods, which will reduce yield greatly.

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