TY  - JA
AU  - Sumner,M.E.
TI  - Diagnosing the sulfur requirements of corn and wheat using foliar analysis
SN  - 0361-5995
U1  - 81-698371 
PY  - 1981///
KW  - Maize
KW  - AGROVOC
KW  - Wheat triticum spp
KW  - Zea mays
N1  - 11 ref
T2  - Journal of the Soil Science Society of America
ER  -