Newsletter 2005

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

Welcome to my weekly Crop Update Newsletters. The purpose of this newsletter is to keep those involved and interested in northwest Iowa agriculture updated on current news at ISU; to disseminate timely and helpful weather and crop production-protection information; to document what I am seeing in the field as I travel the seven county area; and hopefully give insight and ideas for solving production problems as they happen. I encourage any thoughts and ideas as to how I can improve the newsletter as the season progresses. To receive this newsletter via email, please send an email to vagts@iastate.edu

[Home] [ Weather Data ] [ Special Topics ] [ Subsoil H20 ] [ Yield Trials ] [ PDF Info ]

Crop Update Live

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Volume, No.	Printer Friendly	Topics	Special Issues, Topics
Vol 5, No 29 Oct 17, 2005	Word pdf	Winter conferences Finding alternative grain storage Fungicides and B.t. proteins ICIA yield data available Soybean rust resurgence in the S.E.	Fungicide and Insecticide treated vs. non-treated survey forms Crop Update Live

Vol 5, No 28 Oct 10, 2005	Word pdf	Grain drying and storage info Value of corn stalks Nitrogen application and soil temperature Manage and calculate crop residue Manure management plans and soil sampling	Fungicide and Insecticide treated vs. non-treated survey forms Crop Update Live

Vol 5, No 27 Oct 3, 2005	Word pdf	ISU yield trial data available on-line Answers to those green wheel tracks Calculating grain shrink Managing glyphosate resistance Manure and nutrient management	Fungicide and Insecticide treated vs. non-treated survey forms Crop Update Live

Vol 5, No 26 Sept 26, 2005	Word pdf	Degree-day summary Data collection Grazing frosted forage Aflatoxin risk in drought areas Minimize potential for soil compaction	Fungicide and Insecticide treated vs. non-treated survey forms Crop Update Live Degree-days

Vol 5, No 25 Sept 19, 2005	Word pdf	Warm September Corn dry-down rates Grain harvest tips Hidden harvest losses Data collection	Fungicide and Insecticide treated vs. non-treated survey forms Crop Update Live Degree-days

Vol 5, No 24 Sept 6, 2005	Word pdf	Crops reach maturity Harvest preparations Check stalk health End of season corn N check Determining soybean maturity Crop update live recording – soybean rust	Crop Update Live Degree-days

Vol 5, No 23 August 29, 2005	Word pdf	Approaching the finish line Estimating soybean yield Give alfalfa a well deserved rest Corn top die-back Asses fields now for future pest problems Crop update live featuring soybean rust in Georgia	Crop Update Live Degree-days

Vol 5, No 22 August 22, 2005	Word pdf	Corn for silage Predicting silage harvest dates Past the point of return on soybean aphids Soybean SDS Castana Field Day Crop update live	Crop Update Live Degree-days

Vol 5, No 21 August 15, 2005	Word pdf	Corn beginning to Dent Estimate corn grain yield Staging soybean development Two-spotted spider mites Stay the course with aphid monitoring Castana Field Day Needs assessment survey	Soybean Aphid Western Bean Cutworm Soybean Rust Degree-days

Vol 5, No 20 August 8, 2005	Word pdf	Degree-day accumulation continues above normal trend Aphids numbers constant to increasing Continue aphid scouting Aphid control options Crop Update Live Crop growth statistics	Soybean Aphid Western Bean Cutworm Soybean Rust Degree-days

Vol 5, No 19 August 1, 2005	Word pdf	String of above normal DD weeks broken Yield accumulating in corn and soybean Yield potential remains strong Late summer forage shortage?\ Preparing for grain harvest Aphids everywhere, numbers remain low Investigate yellow areas in soybean fields Scout for 2nd generation ECB	Soybean Aphid Western Bean Cutworm Soybean Rust Degree-days

Vol 5, No 18 July 25, 2005	Word pdf	Cooler temperatures forecasted Predict corn maturity date Soybean near full pod development Late summer alfalfa seeding WBC moth flight past peak Soybean aphids – scout mid canopy Perfect temps for aphid pop increase Soybean rust update	Soybean Aphid Western Bean Cutworm Soybean Rust Degree-days

Vol 5, No 17 July 18, 2005	Word pdf	Rain brings temporary relief Degree-day accumulation may top 200 Soybeans setting pods WBC moth flight near peak Soybean aphids arrive Predicting soybean aphid population growth	Soybean Aphid Western Bean Cutworm Soybean Rust Degree-days

Vol 5, No 16 July 11, 2005	Word pdf	DD count continues above normal trend Corn beginning to tassel Soybean node development at mid-point WBC moth flight on the increase Soybean aphids on the increase Addressing soybean plant health Crop Update goes live	Western Bean Cutworm 1st Gen BLB Soybean Rust Degree-days

Vol 5, No 15 July 04, 2005	Word pdf	Corn development nearing tassel Cupped soybean leaves: what’s at fault? 1st generation BLB emerging WBC moths flying Soybean rust news	Western Bean Cutworm 1st Gen BLB Soybean Rust Degree-days

Vol 5, No 14 June 27, 2005	Word pdf	Sentinel plot field day Degree-day surge Determining corn yield potential Soybean enter reproductive phase How long can corn and soybeans hold their breath? Insect monitoring, round 2 A new herbicide injury fact sheet	Western Bean Cutworm 1st Gen BLB Soybean Rust Degree-days

Vol 5, No 13 June 20, 2005	Word pdf	Warm week ahead Iron Chlorosis in soybean Where are the soybean aphids? Soybean Cyst Nematode Soybean Rust Sentinel Plot Field day No new rust finds	Soybean Rust Degree-days

Vol 5, No 12 June 13, 2005	Word pdf	Cooler week ahead Corn leaf striping Pest monitoring cooperators needed Arlene stirs the SBR pot	Soybean Rust Degree-days

Vol 5, No 11 June 6, 2005	Word pdf	Degree-day accumulations above normal Corn enters rapid growth stage Soybeans enter agreement with bacterium Corn rootworms set to hatch Soybean Aphids found in N.E. Iowa Check corn N status with LSNT	Soybean Rust Degree-days

Vol 5, No 10 May 31, 2005	Word pdf	Degree-day accumulations near normal All crops emerged Corn plant becomes self sufficient Monitoring soybean development Insects on the move Control weeds sooner than later	Corn Planting Guide Soybean Replant Guide Soybean Rust Degree-days Soil Temperature

Vol 5, No 09 May 23, 2005	Word pdf	Warmer forecast ahead Corn development at V2 Soybeans emerging Alfalfa at PEAQ quality Soybean Rust 1st detector training Plan for LSNT	Corn Planting Guide Soybean Replant Guide Soybean Rust Degree-days Soil Temperature

Vol 5, No 08 May 17, 2005	Word pdf	Cool and wet week delays crop development When will the corn emerge, week 2? Early planted corn approaching V4 PEAQ measurements Black cutworm scouting Bean leaf beetle issues	Corn Planting Guide Soybean Replant Guide Soybean Rust Degree-days Soil Temperature

Vol 5, No 07 May 9, 2005	Word pdf	Soil temps and GDD accum. rebound When will the corn emerge? Making replant decisions PEAQ measurements Pest management insights	Corn Planting Guide Soybean Rust Degree-days Soil Temperature

Vol 5, No 06 April 26, 2005	Word pdf	Soil temperatures drop Corn emergence delayed Assessing corn emergence problems Calculate soybean seeding rate White grubs wanted Black cutworm moth catch	Corn Planting Guide Soybean Rust Degree-days Soil Temperature

Vol 5, No 05 April 20, 2005	Word pdf	Soil temps may cool Corn planting started Predicting corn emergence Evaluating plant stands Scout for Alfalfa Weevil	Corn Planting Guide Soybean Rust Degree-days Soil Temperature

Vol 5, No 04 April 11, 2005	Word pdf	Soil temps much above normal Forecasted degree-days above normal Obtain seed germ tests before planting Optimum corn planting dates nearing Evaluate Alfalfa stands now Do not over apply nitrogen Potential ammonia injury to corn Prepare to scout for alfalfa weevil Tracking soybean rust Soybean rust and organic production	Corn Planting Guide Soybean Rust Soil Temperature

Vol 5, No 03 March 21, 2005	Word pdf	Dry conditions prevail Use WebGro to fine-tune soybean mngt. Oat and alfalfa seeding recommendations Thickening alfalfa stands Track soybean rust	Soybean Rust Soil Temperature

Vol 5, No 02 March 14, 2005	Word pdf	New Web Address Weather information and data links Soil temperature Extending the life of alfalfa fields Archived soybean rust web cast Overview of soybean fungicide seed treatments Don’t forget about the soybean aphid	Soybean Rust Soil Temperature

Vol 5, No 01 March 07, 2005	Word pdf	Introduction New Web Address Soybean Rust Information Weather Update and information sources Upcoming meetings	Soybean Rust





Information on Portable Document Files (.pdf)
For more information on crop related topics in IA, visit the Integrated Crop Management Newsletter web site.

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[ NW Iowa Crops webpage ]

For questions or comments please respond to vagts@iastate.edu

This page last updated on 10/17/05

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