Search National Agricultural Library (NAL) Digital Collections
Showing item 0 of
from your search.
A study of the value of crop rotation in relation to soil productivity
Weir, Wilbert Walter , 1882-
Crop rotation , Soil productivity , crop rotation , fertilizers , yields , crop yield , crop production , soil productivity , long term experiments , research methods , land management , soil management
- 68 p. : ill. ; 23 cm.
- U.S. Dept. of Agriculture
Organic Roots Collection