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Common Arthropod Pests of Soybeans in North Dakota

This publication describes the common arthropod pests of soybean in North Dakota. The following pests are included: foliage-feeding caterpillars (green cloverworm, painted lady butterfly), potato leafhoppers, soybean aphids, spider mites, armyworms, bean leaf beetles and cutworms. To help pest managers with proper identification, a brief description and photograph of the immature and adult life stages is provided for each pest.

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Selected Management Factors for Economically Increasing Soybean Yield

Soybean yield increased with 14-inch versus 28-inch rows, 200,000 versus 150,000 pls/acre planting rate and special foliar inputs. The narrow rows also had higher net revenue than 28-inch rows. However, the low planting rate and no foliar inputs provided higher net revenue after costs of research factors versus the alternative choice for each factor.

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Soybean Gall Midge and White-mold Gall Midge in Soybean

This publication describes two species of gall midges that infest soybeans. Soybean gall midge is an invasive and economic insect pest of soybeans that occurs in five Midwestern states (Iowa, Minnesota, Missouri, Nebraska and South Dakota). It does not occur in North Dakota yet. The white-mold gall midge is native to North America and is not economic insect pest of soybeans. Larvae of the white-mold gall midge can be found feeding on Sclerotinia white mold disease in stems and pods. This publication describes how to scout and identify the two species based on their location on plants, field symptoms and plant injury symptoms. It also tells pest managers what to do if you find any suspect soybean gall midge in your soybean fields in North Dakota.

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Soybean Production Field Guide for North Dakota

The North Dakota Soybean production field guide provide producers with data fo soybean production information throughout the state. It addresses issues from variety selection, growth and fertilizing, disease, insect and weed control, harvesting and storing of soybeans.

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Soybean Soil Fertility

All of NDSU soil fertility recommendations now have no yield-based formulas. The soybean fertility recommendations were modified to be in line with these new guidelines.

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