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Life Sciences

Crop Watch

2003

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Cropwatch No. 2003-26, November 21 , 2003, Lisa Jasa Nov 2003

Cropwatch No. 2003-26, November 21 , 2003, Lisa Jasa

Crop Watch

Inside

Get out your calendar! This final 2003 issue features a wealth of winter meetings

Briefs………….242

Corn Expo………….242

Resistance Questions………….243

Soybean Expo………….244

Crop Management………….245

Southwest NE Meetings………….247

Pesticide Applicator………….248

Irrigation Conference………….248

Women in Ag………….248

Crop Protection Clinics………….249

Corn/soybean Profitability………….249

Agronomy Highlights………….250


Cropwatch No. 2003-25, October 24, 2003, Lisa Jasa Oct 2003

Cropwatch No. 2003-25, October 24, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………234

Ag Research symposium……………235

New publications……………235

Soybean virus……………236

Winter annuals in alfalfa……………236

Winter annuals……………237

Killing alfalfa in fall……………237

Insurance workshops……………237

Aerial imagery workshop……………238

Winter crop management seminars……………239

No-till yields in 2003……………240

New soil acidity pubs……………240


Cropwatch No. 2003-24, October 10, 2003, Lisa Jasa Oct 2003

Cropwatch No. 2003-24, October 10, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………224

Grain bin treatment……………224

Cooling stored grain……………227

Fall weed control……………228

Crop condition report……………228

Controlling annual grasses……………229

Using hybrid data……………230

Irrigating alfalfa……………230

Skip-row planting on Market Journal……………231

Ag at the Crossroads……………231

Fertilizing soybeans……………232

Countering wind erosion……………232


Cropwatch No. 2003-23, September 19, 2003, Lisa Jasa Sep 2003

Cropwatch No. 2003-23, September 19, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………204

Tips for relay cropping……………217

Grazing standing corn……………217

Cleaning, treating bins……………218

Corn stalk test……………219

Wheat variety info……………220

Pasture weed control……………221

USDA production estimates……………221

Niger thistle……………222

Prize winners……………222


Cropwatch No. 2003-22, September 5, 2003, Lisa Jasa Sep 2003

Cropwatch No. 2003-22, September 5, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………204

Combine adjustments……………204

Irrigating winter wheat……………207

Irrigation status in North Platte Valley……………208

Ag specialists to UNL……………209

Aflatoxin risk……………210

Treating wheat seed……………212

Husker Harvest Days……………212


Cropwatch No. 2003-21, August 22, 2003, Lisa Jasa Aug 2003

Cropwatch No. 2003-21, August 22, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………186

Weather/crop update……………188

Drought-damaged alfalfa……………188

Soybean aphids……………189

Whiteflies……………189

Seeding, winter wheat……………190

Weeds in winter wheat……………191

Wheat planting dates……………191

Packing, inoculating silage……………192

Solution Days……………192

River resources dry up……………193

Husker Harvest Days……………194


Cropwatch No. 2003-20, August 8, 2003, Lisa Jasa Aug 2003

Cropwatch No. 2003-20, August 8, 2003, Lisa Jasa

Crop Watch

Inside

Field/crop updates……………186

Soybean aphid alert……………186

July precipitation……………187

Cowpea aphids in alfalfa……………188

2nd ECB in flight……………189

Light trap reports online……………189

Common smut in corn……………191

Market Journal on corn……………191

Soybean Field Days……………192

High Plains Ag Lab……………192


Cropwatch No. 2003-19, July 25, 2003, Lisa Jasa Jul 2003

Cropwatch No. 2003-19, July 25, 2003, Lisa Jasa

Crop Watch

Inside

Field/crop updates……………176

Alfalfa struggles……………176

Chinch bugs in sorghum……………177

Blister beetles in alfalfa……………177

Spider mites in corn……………178

Scouting corn rootworms……………180

Planting turnip forages……………181

Protecting pollinators……………181

Manure field days, kit……………182

Carbon storage field day……………183

Buying quality wheat seed……………184


Cropwatch No. 2003-18, July 11,2003, Lisa Jasa Jul 2003

Cropwatch No. 2003-18, July 11,2003, Lisa Jasa

Crop Watch

Inside

Field/crop updates……………170

Diagnostic Clinic update……………170

Rootworm beetles emerging……………171

Fusarium head blight……………172

Nitrogen effect on Bt corn……………173

Ascochyta blight in chickpeas……………173

Hastening hay drydown……………174

Haying sweet clover……………174

Water tour……………174


Cropwatch No. 2003-17, July 4, 2003, Lisa Jasa Jul 2003

Cropwatch No. 2003-17, July 4, 2003, Lisa Jasa

Crop Watch

Inside

Field/crop updates……………160

Greensnap……………160

Crop conditions……………160

Grassland Reserve……………161

June rains……………162

Ag plantings report……………162

Western bean cutworms……………163

Spray particles……………164

Purple loosestrife……………166

Drought effects on corn……………168


Cropwatch No. 2003-16, June 27, 2003, Lisa Jasa Jun 2003

Cropwatch No. 2003-16, June 27, 2003, Lisa Jasa

Crop Watch

Inside

Field/crop updates……………150

Flooded fields……………152

Types of flooding……………152

Controlling volunteer corn……………153

Planting emergency forages……………153

GDD corn levels lag……………154

Crop report……………156

Starane approved……………157

Grasshopper program deadline June 30……………157

Using wheat residue……………158


Cropwatch No. 2003-15, June 20, 2003, Lisa Jasa Jun 2003

Cropwatch No. 2003-15, June 20, 2003, Lisa Jasa

Crop Watch

Inside

Field/crop updates……………142

Preparing bins, equipment for wheat harvest……………143

Rescue treatments in corn……………144

Atrazine watched……………144

Potato leafhoppers in alfalfa……………145

Tax deductions for groundwater depletion……………146

Featured weed: saltcedar……………147

Grasshopper resources……………148


Cropwatch No. 2003-14, June 13, 2003, Lisa Jasa Jun 2003

Cropwatch No. 2003-14, June 13, 2003, Lisa Jasa

Crop Watch

Inside

Field/crop updates……………132

Common stalk borer……………133

Postemergence weed control in soybeans……………135

1st generation ECB……………137

Worksheet for 1st ECB……………138

North Platte Valley canal releases……………138

Comparing glyphosate products……………139

Wheat update……………140

Crop condition report……………140


Cropwatch No. 2003-13, June 6, 2003, Lisa Jasa Jun 2003

Cropwatch No. 2003-13, June 6, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………122

Alfalfa weed control……………124

Weed Tour changes……………124

Optimizing timing of weed control in soybeans……………125

Common stalk borer……………126

Weed control in pastures……………127

Crop condition report……………127

Ag Lab field day……………127

Controlling red cedar……………128

Crop Management Clinic……………129


Cropwatch No. 2003-11, May 23, 2003, Lisa Jasa May 2003

Cropwatch No. 2003-11, May 23, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………102

Crop season forecasts……………104

Stalk borer scouting……………105

Seedling diseases……………106

Striped rust in wheat……………107

Swine production documentary……………107

Weed profiles:

Western ragweed……………108

Hoary vervain……………108

Critical period of weed control……………109


Cropwatch No. 2003-12, May 23, 2003, Lisa Jasa May 2003

Cropwatch No. 2003-12, May 23, 2003, Lisa Jasa

Crop Watch

Inside

Field updates……………112

Cutworms in crops……………112

Resistant RWA alert……………112

Grasshopper survey……………114

Common stalk borer……………114

Stressed winter wheat……………115

Selling CRP land……………116

CRP signup extended……………116

Tick & fly alert……………117

Groundwater levels drop……………118

Long-term drought cycles……………119

On-line weather data……………120


Cropwatch No. 2003-10, May 16, 2003, Lisa Jasa May 2003

Cropwatch No. 2003-10, May 16, 2003, Lisa Jasa

Crop Watch

Inside

Field reports……………92

Corn flea beetles feeding……………92

Post corn herbicides……………94

Wheat harvest estimates……………94

Lumax label added……………94

Applying pre herbicides post……………96

Scout for grasshoppers……………97

West Nile Virus preview……………98

Market Journal……………98

Soybean inoculant research……………99

PSNT soil nitrate test……………100


Cropwatch No. 2003-9, May 9, 2003, Lisa Brown Jasa May 2003

Cropwatch No. 2003-9, May 9, 2003, Lisa Brown Jasa

Crop Watch

Inside

Field reports……………82

Management calendar……………82

Weed control in sorghum……………84

Reservoir levels……………85

Soil moisture levels……………85

Alfalfa/wheat diseases……………86

Planting shortcuts……………87

Assessing alfalfa……………87

Recycling containers……………88

StarLink deadline……………89

Weed Science tour……………89

Wheat condition……………90

Wheat insect alert……………90


Cropwatch No. 2003-8, May 2, 2003, Lisa Brown Jasa May 2003

Cropwatch No. 2003-8, May 2, 2003, Lisa Brown Jasa

Crop Watch

Inside

Field reports……………72

Management calendar……………72

Wheat mosaic……………73

Insects in sorghum……………74

Early alfalfa cutting……………75

Testing irrigation pumps……………76

Herbicides for sunflowers……………77

Alfalfa insect scouting……………78

Pre-inoculated soybeans……………79

Tips for soil inoculation……………79

Signals to herbicide carryover problems……………80


Cropwatch No. 2003-7, April 25, 2003, Lisa Brown Jasa Apr 2003

Cropwatch No. 2003-7, April 25, 2003, Lisa Brown Jasa

Crop Watch

Inside

Field reports……………62

Management tips……………62

Market Journal……………63

Weed control in soybeans……………64

New herbicides……………65

Plant Path contacts……………65

Climate resource……………66

Corn rootworm question……………66

Diagnostic Clinic……………67

EQIP funding announced……………68

CRP sign-up……………68

Soybean Management Days……………69

Battling grasshoppers……………70


Cropwatch No. 2003-6, April 18, 2003, Lisa Brown Jasa Apr 2003

Cropwatch No. 2003-6, April 18, 2003, Lisa Brown Jasa

Crop Watch

Focus on soybeans

Inside

Crop scout training……………52

Management tips……………52

Avoid prescribed burning……………53

Army cutworms in alfalfa……………54

Wheat update……………54

Soybean insects in 2003……………55

No-tilling early soybeans……………57

Planting dates/growth……………58

Wheat disease……………59

Pesticide disposal……………59

Soybean rust……………60


Cropwatch No. 2003-5, April 11, 2003, Lisa Brown Jasa Apr 2003

Cropwatch No. 2003-5, April 11, 2003, Lisa Brown Jasa

Crop Watch

Inside

West Nile update…………….42

Management tips…………….42

New herbicides…………….43

Planter adjustments…………….45

Planter field test…………….45

Heavy residue no-tilling…………….46

No-till hybrids, planting dates…………….47

Herbicide selection…………….48

Weather update…………….49

Sprinkler head replacement…………….50

Irrigation maintenance…………….50


Cropwatch No. 2003-4, April 4, 2003, Lisa Brown Jasa Apr 2003

Cropwatch No. 2003-4, April 4, 2003, Lisa Brown Jasa

Crop Watch

Inside

Wheat disease update……………32

Pesticide registrations……………32

IANR listening sessions……………32

Nitrogen volatilization……………33

Selecting sprayer nozzles……………36

Early grazing of wheat……………36

NW YieldGard® trials……………37

Corn flea beetles……………38

No-till alfalfa……………38

Climate, precip update……………39

Proso—minimal water user……………40


Cropwatch No. 2003-3, March 21, 2003, Lisa Brown Jasa Mar 2003

Cropwatch No. 2003-3, March 21, 2003, Lisa Brown Jasa

Crop Watch

Inside

Briefs and updates……….22

Conservation planning……….22

Developing wheat varieties……….24

Herbicide restrictions……….25

Soybean seed treatments……….25

Insecticide label changes……….26

Salvaging thin alfalfa……….26

Gypsum sales questioned……….27

Sorghum/corn compared……….28

Weed control in alfalfa……….30


Cropwatch No. 2003-2, March 7, 2003, Lisa Brown Jasa Mar 2003

Cropwatch No. 2003-2, March 7, 2003, Lisa Brown Jasa

Crop Watch

Inside

Drought workshops…………..12

Prevented planting…………..12

Controlling winter annuals…………..14

Emergency tillage in wheat…………..15

Fertilizing in a drought…………..16

NRDs & fertilizer rates…………..16

Revised pesticide regs…………..17

Bt resistance management…………..18

Drought/livestock issues…………..19

Hay & forage hotline…………..19

Pesticide disposal…………..20

Pesticide sales warning…………..20


Cropwatch No. 2003-1, Feb, 4, 2003, Lisa Brown Jasa Feb 2003

Cropwatch No. 2003-1, Feb, 4, 2003, Lisa Brown Jasa

Crop Watch

Focus: drought

Several stories in this week’s Crop Watch address the continuing drought and how producers can adjust for it in the 2003 cropping season. The next regular issue will be in early March.

Inside

Management tips……………..2

Ag briefs……………..2

Wheat handbook……………..4

Corn mycotoxins……………..4

Farm program, insurance……………..5

Market Journal……………..6

Women in Ag……………..6

Crop selection……………..7

Adjusting for drought……………..8

Conserving soil moisture……………..9

Table of reservoir levels……………..10