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Subjects Iowax
Displaying items 1 - 20 of 33 start over
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1. 1969 corn validation project : Iowa and Missouri
Author(s):
Max, Richard Carl 1929- , United States Dept. of Agriculture. Statistical Reporting Service.
Subject(s):
Corn , Yields , Zea mays , crop yield , agricultural statistics , Iowa , Missouri
Year:
1970
2. 1971 corn validation project
Author(s):
United States Dept. of Agriculture. Statistical Reporting Service.
Subject(s):
Corn , Yields , Zea mays , crop yield , agricultural statistics , Illinois , Iowa
Year:
1972
3. 1983 corn and soybean production input and cropping practices in Illinois, Iowa and Missouri
Author(s):
Padgitt, Merritt. , United States Dept. of Agriculture. Statistical Reporting Service. Statistical Research Division.
Subject(s):
Corn , Illinois , Statistics , Iowa , Missouri , Soybean , Zea mays , soybeans , Glycine max , crop production , cropping systems , tillage
Year:
1984
4. A virus disease complex devastating late season snap bean production in the midwest.
Author(s):
Larsen, R.C. , Miklas, P.N. , Eastwell, K.C. , Grau, C.R. , Mondjana, A.
Subject(s):
Phaseolus vulgaris , plant viruses , pathogenicity , disease transmission , disease vectors , insect pests , Aphis glycines , Aphis (Aphididae) , Iowa , Kentucky , Illinois , Michigan , Minnesota , New York , Ontario , Wisconsin
Series:
Annual report.
Year:
2002
5. A within-year growth model approach to forecasting corn yields
Author(s):
House, Carol C. , United States Crop Reporting Board.
Subject(s):
Corn , Yields , Iowa , Forecasting , Texas , growth models , agricultural forecasts , Zea mays , crop yield
Year:
1977
6. Adjusting for nonresponse in the December enumerative survey
Author(s):
Coulter, Richard. , United States Dept. of Agriculture. Statistical Reporting Service. Statistical Research Division.
Subject(s):
Agricultural surveys , United States , Nonresponse (Statistics) , surveys , Georgia , Illinois , Iowa , Kansas , Ohio , Wyoming
Year:
1984
7. Application of the AnnAGNPS model to the Walnut Creek, IA CEAP benchmark watershed
Author(s):
Dinnes, Dana. , Meeks, David. , Jaynes, Dan. , Karlen, Doug. , National Soil Tilth Laboratory (U.S.)
Subject(s):
Streamflow , Iowa , Walnut Creek (Shelby County-Fremont County) , Computer simulation , Water quality , stream flow , simulation models
Year:
2004
8. Breastfeeding promotion research : the ES/WIC nutrition education initiative and economic considerations
Author(s):
Weimer, Jon P. , United States Dept. of Agriculture. Economic Research Service.
Subject(s):
Breastfeeding promotion , United States , States , Poor women , Education , breast feeding , nutrition education , Expanded Food and Nutrition Education Program , WIC Program , Guam , Iowa , Michigan , North Carolina
Year:
1998
9. CACFP for-profit center demonstration : final report
Author(s):
Kuchak, JoAnn. , Batten, Susan. , United States Food and Nutrition Service. , Child & Adult Care Food Program (U.S.)
Subject(s):
food and nutrition programs , USDA food and nutrition programs , family day care , center day care , Child and Adult Care Food Program , United States , Kentucky , Iowa
Year:
1993
10. Comparison of the CEAS and Thompson-type models for corn yields in Iowa, Illinois, and Indiana
Author(s):
Cotter, James J.
Subject(s):
Corn , Yields , Iowa , Illinois , Indiana , Crop yields , Mathematical models , corn , Zea mays , crop yield , mathematical models
Year:
1984
11. Comparison of the CEAS and Thompson-type models for soybean yields in Iowa, Illinois, and Indiana
Author(s):
Sebaugh, Jeanne L.
Subject(s):
Soybean , Yields , Iowa , Illinois , Indiana , Crop yields , Mathematical models , soybeans , Glycine max , crop yield , mathematical models
Year:
1983
12. Effects of a new area sampling frame on levels of estimates
Author(s):
Mergerson, James Weldon. , United States National Agricultural Statistics Service. Survey Sampling Branch.
Subject(s):
Sampling (Statistics) , statistics , Iowa , West Virginia
Year:
1990
13. Enhanced efficiency fertilizers: Effect on nitrous oxide emissions in Iowa
Author(s):
Timothy B. Parkin , Jerry L. Hatfield
Subject(s):
crop production , fertilizer application , greenhouse gas emissions , growing season , nitrification inhibitors , nitrous oxide , rain , slow-release fertilizers , soil , urea , urea ammonium nitrate , urease inhibitors , Iowa
Year:
2014
14. Enhanced efficiency fertilizers: a multi-site comparison of the effects on nitrous oxide emissions and agronomic performance
Author(s):
Jerry L. Hatfield , Rodney T. Venterea
Subject(s):
Gossypium hirsutum , Triticum aestivum , Zea mays , agronomic traits , canopy , chlorophyll , corn , cotton , fertilizers , fiber quality , gas emissions , grain yield , growing season , leaf area , nitrous oxide , nutrient use efficiency , rain , seasonal variation , senescence , wheat , Iowa , Manitoba
Year:
2014
15. Enhanced efficiency fertilizers: effect on agronomic performance of corn in Iowa
Author(s):
Jerry L. Hatfield , Timothy B. Parkin
Subject(s):
Zea mays , agronomic traits , biomass , canopy , chlorophyll , corn , fertilizer application , fertilizers , filling period , grain yield , growing season , leaf area index , leaves , nitrification inhibitors , photosynthetically active radiation , urea , urea ammonium nitrate , urease inhibitors , Iowa
Year:
2014
16. Estimation of QAS list frame hog totals using a revised estimator : an empirical investigation
Author(s):
Fetter, M. J. , United States National Agricultural Statistics Service. Research Division.
Subject(s):
Swine , United States , Statistics , swine , agricultural statistics , production economics , Indiana , Illinois , Iowa , Georgia , North Carolina
Year:
1992
17. Evaluation of the 1983 corn objective yield validation study
Author(s):
Warren, Fred B.
Subject(s):
Corn , Yields , Illinois , Iowa , Missouri , corn , Zea mays , crop yield
Year:
1985
18. Evaluation of the CEAS trend and monthly weather data models for corn yields in Iowa, Illinois, and Indiana
Author(s):
Kestle, Richard A. , United States Dept. of Agriculture. Statistical Reporting Service. Statistical Research Division.
Subject(s):
Meteorology, Agricultural , Iowa , Mathematical models , Illinois , Indiana , Crops and climate , Crop yields , Corn , agrometeorology , climate models , crop yield , corn , Zea mays , mathematical models , model validation , crop models , regression analysis
Year:
1982
19. Evaluation of the Thompson-type yield models for soybeans in Iowa, Illinois, and Indiana
Author(s):
Kestle, Richard A.
Subject(s):
Soybean , Yields , Iowa , Illinois , Indiana , soybeans , Glycine max , crop yield , crop models , model validation
Year:
1982
20. Forecasting final corn grain yield per plant with a constrained logistic growth model
Author(s):
Larsen, Greg A.
Subject(s):
Corn , Yields , Illinois , Iowa , Agriculture , Forecasting , corn , Zea mays , grain yield , agricultural forecasts , growth models
Year:
1980