Pests, weeds

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Strategies to Reduce Spray Drift

by Robert E. Wolf

MF2444

Select a nozzle that produces coarser droplets, Use lower end of pressure range, Lower boom height, Increase nozzle size, Spray when wind speeds are under 10 mph, & away from sensitive crops.

Published Date: Mar 2000

Managing to Minimize Atrazine Runoff

by Philip L. Barnes Daniel L. Devlin David L. Regehr

MF2208

Incorporate atrazine into the top 2 inches of soil. Use fall or early spring applications. Use postemergence premix products. Reduce soil-applied application rates.

Revision Date: Feb 2000

Weed Control in Dryland Cropping Systems

by Daniel O'Brien Randall Brown Curtis R. Thompson

MF2339

Control weeds in wheat crop; during fallow with herbicides, do not till stubble after wheat harvest. Use atrazine during fallow period. Do not let winter-annual weeds produce seed in spring.

Published Date: May 1998

Private Pesticide Applicator Manual

by Frannie L. Miller

MF531

Information about certification as a private pesticide applicator. A private applicator is one who uses or supervises the use of a restricted-use pesticide for production of an agricultural commodity on property the applicator owns or rents, or applies a restricted-use pesticide without compensation for the applicator’s employer. 104 p.

Revision Date: Feb 1997

Musk Thistle: Identification and Control

by Walter H. Fick Dallas E. Peterson

L231

The musk thistle or nodding thistle Carduus nutans, is usually a biennial or winter annual, but it occasionally occurs as a summer annual. 6-pages, color.

Revision Date: May 1995

Pigweed Identification: A Pictorial Guide to the Common Pigweeds of the Great Plains

by Dallas E. Peterson

S80

A generalized distribution map; photographs of seed, seedling, and mature plants; and text describing other identifying features are present for each species. 12-page, color.

Published Date: Oct 1994

Rangeland Brush Management

by Paul D. Ohlenbusch Gene Towne

MF1021

Removing trees & brush from rangeland can increase forage production and livestock carrying capacity. Eliminating all woody plants is not always practical, necessary, or desirable.

Published Date: Mar 1992

Rangeland Weed Management

by Gene Towne Paul D. Ohlenbusch

MF1020

Many plants regarded as weeds are components of grassland ecosystem. It is important to distinguish between desirable rangeland species & weeds that adversely affect forage or livestock production.

Published Date: Dec 1991

Weedy Bromes-Recognizing Them at an Early Stage

by Linda W. Davis

L814

Identifying weedy bromes (vs. wheat or smooth brome) at an early state is difficult, but with a hand lens it is possible to observe type of ligule, edge on leaf blade, & distribution of hairs. Photos.

Published Date: May 1990

Factors Affecting Pesticide Behavior and Breakdown

by David L. Regehr Donald C. Cress

MF958

Temperature, light, moisture, bacteria, pH, etc. all affect the pesticides in different ways and cause them to break down at varying rates. Thus half life is dependent on many & varying factors. 8 pages.

Published Date: May 1990