TY  - JA
AU  - Bolton,E.F.
AU  - Dirks,V.A.
AU  - Findlay,W.I.
TI  - Some relationships between soil porosity, leaf nutrient composition and yield for certain corn rotations at two fertility levels on Brookston clay
SN  - No (Revis
U1  - 80-492510 
PY  - 1979///
KW  - Maize
KW  - AGROVOC
KW  - Soil chemistry and physics
KW  - Zea mays
N1  - Summary (Fr);10 ref
T2  - Canadian Journal of Soil Science
ER  -