Special Topics


Northwest Iowa Crops Page by Todd Vagts ISU Extension Crops Specialist Counties Served: Carroll, Calhoun, Crawford, Ida, Monona, Pocahontas and Sac.

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Special Topics

Crop Management
Corn	Soybean	Forage/Small Grains
ISU Corn Planting Guide (PM 1885)	ISU Soybean Replant Decisions (PM 1851)	Selecting Forage Species (PM 1792)
2005 Degree-Day (base 50)	Hail Damage Assessment	Alfalfa management guide
How a corn plant grows	Soybean hay	Late summer alfalfa seeding
Hail damage assessment	ICIA Yield Data	ICIA Yield Data
Corn Silage	Soybean SCN Management (IPM 63)	Oat Production (NE)
Estimate Corn Grain Yield	Soybean Growth and Development (PM 1945)	Interseeding and no-till pasture renovation (PM 1097)
Nutrient content and value of corn stover		Forage Testing Laboratory (PM 1098a)
Reduce Harvest Losses		Warm Season Grasses (PM 569)
ICIA Yield Data		Purdue Forage Information
Storage (MN Web page)		University of WI: Alfalfa

Pest Management
Insect Pests	Weed Pests	Disease Pests
Soybean Aphid (ISU)	ISU Weeds	Soybean Disease Atlas
Soybean Aphid (Todd's page)	Weed ID	Corn Disease
White Grubs	Residue Analysis	Plant Disease Clinic (Sample Submissioin Form)
Western Bean Cutworm	Herbicide Drift Management	Soybean Rust (Todd); Soybean Rust (ISU)
Bean Leaf Beetle Control (Overwintered)	Weed ID & Herbicide Injury Diagnosis form (AG 146)	Aflatoxin in Corn (PM 180080)
2nd Gen BLB	Cultivation (PM 1623)	Interpreting soybean SCN results (IPM 61)
Black Cutworm	Sprayer clean-out guidelines (PAT 3078)	Soybean SCN Management (IPM 63)
Insect ID submission form (IC44973)	Common Weeds (seedling pictures)	Alfalfa Black Stem
Common insect pests (pictures)	Weed ID resources	Soybean: Common leaf diseases and ASR (PM 1989)
	Herbicide Mode of Action & Injury Symptoms	Soybean White Mold (PM 1731)
	Practical Weed Science for the Field Scout (IPM 1007)

Soil Management
Ammonia fertilizer and soil pH	Residue Management (pm 1901a)	Understanding soil compaction (pm 1901b)
Strip Tillage (pm 1901c)	No-Tillage (pm 1901d)	Corn Suitability Ratings (PM 116861)


Fertility Management
Soil Nutrients	Plant Nutrients	Manure Nutrients
Soil Sample Form (ST-8)	Nutrient deficiency (IPM 42)	Managing manure nutrients (PM 1811)
Soil Test Interpretation (pm 1310)	Fall Cornstalk Testing (PM 1584)	How to sample manure for nutrient analysis (PM 1558)
P & K Recs (PM 1688)
Nitrogen Recs (PM-1714)
Why soil test (NMEP 169)
Late Spring Nitrate Test PM-1714 (pdf)
Fertilizing Pastures (pm 869)

Weather Data
Intellicast	Iowa State University	Weather Channel
Precipitation radar loop	Iowa Environmental Mesonet	10-day forecast and Monthly data (Pocahontas)
Daily Precipitation (yesterday) or Weekly	Iowa Ag Climate Network	Hour by hour temp and wind forecast
Current Wind Direction
	IA Department of Ag
	Climatology Bureau
Drought Forecasts
QT soil and drought maps

Newsletters
Integrated Crop Mngt. (ISU)	CAT Alert (MSU)	WI Crop Mngr
C.O.R.N. (Ohio)	MN Crop News	ICPM
Crop Watch (NE)	Chat-n-Chew
the Bulletin (IL)	MN Pest Report

For further information please contact me at vagts@iastate.edu.or any of the county extension offices

This page last updated on 06/07/05

Provided to you by:

IOWA STATE UNIVERSITY
OF SCIENCE AND TECHNOLOGY

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ISU Extension Agronomy- Extension IA State Univ. IA Dept. of Ag IA DNR

ISU Extension
Agronomy- Extension
IA State Univ.
IA Dept. of Ag
IA DNR