Search National Agricultural Library Digital Collections

You searched for:

Subjects Zea mays Remove constraint Zea mays: Zea mays Subjects Soybean Remove constraint Soybean: Soybean

Displaying all 3 items start over

1. 1983 corn and soybean production input and cropping practices in Illinois, Iowa and Missouri

Description:: "August 1984"
Author:: Padgitt, Merritt. , United States Dept. of Agriculture. Statistical Reporting Service. Statistical Research Division.
Subject:: Corn , Illinois , Statistics , Corn , Iowa , Statistics , Corn , Missouri , Statistics , Soybean , Illinois , Statistics , Soybean , Iowa , Statistics , Soybean , Missouri , Statistics , Zea mays , soybeans , Glycine max , crop production , cropping systems , tillage , Illinois , Iowa , Missouri
Year:: 1984

2. Evaluation of historical data use in the 1992 August yield survey

Author:: Bailey, Jeffrey T.
Subject:: Corn , Yields , United States , Soybean , Yields , United States , corn , Zea mays , soybeans , Glycine max , yield monitoring , crop yield , United States
Year:: 1993

3. Technical and economic causes of U.S. corn and soybean yield changes

Author:: Padgitt, Merritt.
Subject:: Agricultural productivity , Crop yields , Mathematical models , Agriculture , Economic aspects , Corn , Yields , Soybean , Yields , crop yield , productivity , corn , Zea mays , soybeans , Glycine max , United States
Year:: 1982