Soil nitrogen; supply processes and crop requirements
Bartholomew, W.V.
creator
text
xx
Spring field
NTIS, U.S. Dept. of Commerce
1972
9999
monographic
und
vii,78p.
W.V. Bartholomew
Soil-nitrogen content,Cereal fertilizers and manures,Nitrogen fertilizers,Growth(Plants)
631.416.1:633(07) L2
140224