Weed Control Guide for Field Crops

2004 Weed Control Guide for Field Crops

MSU Extension Bulletin E-434

Printed Bulletin Revised November 2003

By Christy L Sprague, James J. Kells, Kathrin Schirmacher

Soybeans

Table 2A — Chemical Weed Control in Soybeans: Preplant Incorporated Soil Applied - All Tillage Systems Postemergence for Broadleaf Weeds Postemergence Grass Control	Table 2G — Maximum Broadleaf Weed Heights for Postemergence Control in Soybeans
Table 2B — Weed Control in Glyphosate Resistant Soybeans	Table 2H — Suggested Additives for Postemergence Herbicide Applications in Soybeans
Table 2C — Weed Management in No-Till Soybeans: Effectiveness of Herbicides for No-Till Soybeans Marestail Control in No-Till Soybeans	Table 2I — Additives for Postemergence Broadleaf Weed Control in Soybeans
Table 2D — Soybeans—Preharvest Application	Table 2J — Application Rates of Postemergence Grass Herbicides for Control of Annual Grass Species at Various Heights
Table 2E — Herbicide Premixes in Soybeans	Table 2K — Labeled Tank-Mixes with Postemergence Grass Herbicides in Soybeans
Table 2F — Weed Response to Herbicides in Soybeans	Table 2L — Feed and Forage Restrictions for Soybean Herbicides

IMPORTANT: READ THE FOLLOWING BEFORE USING

Rates are expressed in pounds of active ingredient (a.i.) per acre for the area actually sprayed; rates in formulation column are given as pounds or ligquid measure of product unless otherwise noted.
(NOTE: Commercial rates are expressed in pt or qt or gal or lb or oz).
Apply all agricultural chemicals in accordance with regulations and lablesl as to rates, timing and crops for which they may be used.
Rates recommended in this bulletin are for medium-textured soils with 3% organic matter.
Many herbicides may also be applied as granules or impregnated on dry fertilizer. With these application methods, uniform application of the herbicide is necessary for acceptable weed control.
For incorporated herbicides the recommended mixing depth is 1 to 2 inches.

This publication contains pesticide recommendations based on research and pesticide rgulations. However, changes in pesticide regulations occur constantly. Some pesticides mentioned may no longer be availabe, and some uses may no longer be legal. If you have questions about the legality and/or registration status for using pesticides, contact your county MSU Extension office.

To protect yourself and others and the environment, alwyas read the label before applying any pesticide.

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