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Browse by Author: Jim Dunphy
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The Soybean Plant

By: Katherine Drake Stowe, Jim Dunphy

This publication, chapter 1 of the North Carolina Soybean Production Guide, describes the soybean plant and its various growth stages.

North Carolina Soybean Production Guide

By: Katherine Drake Stowe, Carl Crozier, Gary Bullen, Jim Dunphy, Wesley Everman, David Hardy, Deanna Osmond, Nick Piggott, Sandeep Rana, Dominic Reisig, Gary Roberson, Brandon Schrage, Lindsey Thiessen, Derek Washburn

This publication provides information to growers about soybean production in North Carolina. It discusses economic trends and forecasts, cultural practices, variety selection, planting decisions, nutrient management, diseases and pests, and other production practices.

Planting Decisions

By: Jim Dunphy, Gary Roberson

This publication, chapter 5 of the North Carolina Soybean Production Guide, discusses soybean planting decisions, including planting dates, depth, and seeding equipment calibration.

Soybean Production and Marketing in North Carolina

By: Nick Piggott, Gary Bullen, Jim Dunphy, Wesley Everman, Derek Washburn

This publication, chapter 2 of the North Carolina Soybean Production Guide, discusses the soybean market in the United States and managing price risk for North Carolina soybean farmers.

Corn Production Guide

By: Ron Heiniger, Jan Spears, Dan Bowman, M.L. Carson, Carl Crozier, Jim Dunphy, Steve Koenning, Michele Marra, G.C. Naderman, John Van Duyn, Alan York, A.S. Culpepper, G. A. Payne

This comprehensive guide covers crop management, fertilizers, irrigation and drought management, tillage, insect and disease management, and marketing concerns for corn production.

Crop Management

By: Ron Heiniger, Jan Spears, D.T. Bowman, Jim Dunphy

This document, part of the Corn Production Guide, discusses hybrid characteristics and selection, planting dates, seedbed preparation, and harvest and storage concerns.

Harvesting, Drying, and Storage

By: Gary Roberson, Jim Dunphy, E. O. Beasley

This publication, chapter 10 of the North Carolina Soybean Production Guide, describe harvesting, drying, and storing soybeans.

Chapter 5: Crop Production Management - Organic Soybeans

By: Jim Dunphy, George Place, Dominic Reisig, Chris Reberg-Horton

This chapter of the North Carolina Organic Grain Production Guide covers key management practices for organic soybean production: variety selection, planting times, plant population and crop rotation.

Cultural Practices

By: Jim Dunphy, Deanna Osmond

This publication, chapter 3 of the North Carolina Soybean Production Guide, discusses tillage, crop rotation, and cover crops in soybean production.

Variety Selection

By: Katherine Drake Stowe, Jim Dunphy

This publication, chapter 4 of the North Carolina Soybean Production Guide, discusses how to choose a variety of soybean to plant.

Potential for High Nitrate Levels in Drought-Stressed Corn Silage

By: Ron Heiniger, Jim Dunphy

This publication discusses elevated nitrate levels in drought-stressed corn silage, which can result in harm to humans and livestock.

Reduce Soybean Harvest Losses

By: Jim Dunphy, E. O. Beasley

This factsheet covers how to calculate soybean losses and how to check operational guidelines to ensure a greater yield.

Planting Rate Recommendations for Organic Soybean Producers

By: Jim Dunphy, George Place, Chris Reberg-Horton

For organic soybean producers increased seeding rates improve early soybean canopy density, which shades out weeds in the early stages of weed competition. Organic soybean producers can increase seeding rates with much less of a negative impact on economic return than for conventional production with herbicides.