000
00268nam a2200109Ia 4500
008
221219s9999 xx 000 0 und d
100
_a
S.S.Singh
245
0
_a
Principles and Practices of Agronomy
260
_b
Kalyani Publication
650
_a
Agronomy
942
_c
BK
_0
4
999
_c
2889
_d
2889