TY  - JA
AU  - Tiraa,A.N.
AU  - Asghar,M.
TI  - Corn growth as affected by nitrogen fixing tree and grass plant materials supplemented by P and K fertilizer
PY  - 1990///
KW  - Nitrogen fixation
KW  - Phosphorus potassium fertilizers
KW  - Potash fertilizers
KW  - Zea mays
KW  - AGROVOC
N1  - Tables, references p. 84
T2  - Nitrogen Fixing Tree Research Reports
ER  -