TY  - BOOK
AU  - Tiwari, Hariom
AU  - Guide: Sharma, S.C. 
TI  - Studies on the Effect of Various Levels of N, P and S on the Micronutrients Content (Zn, Mn, Cu and Fe) OF  Black Gram (Phaseolus mungo) Var. Ju-2
U1  - 631.4 TIW-S 
PY  - 1992///
CY  - Gwalior 
PB  - J.N.K.V.V.
KW  - Soil Science and Agriculture Chemistry
ER  -