TY  - BK
AU  - Ketcheson,J.W.
AU  - Beamchamp,E.G.
AU  - Stevenson,C.K.
TI  - Effects of corn stover on nitrogen fertilizer needs of following crops
T2  - Factsheet. Ontario Ministry of Agriculture and Food (Canada).
U1  - 79-444380 
PY  - 1978///
CY  - Ontario (Canada)
PB  - Ministry of Agriculture and Food, 
KW  - Cultivation
KW  - AGROVOC
KW  - Fertilizers
KW  - Maize
KW  - Zea mays
KW  - Soil fertility
ER  -