000
00270nam 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 Publishers
650
_a
Agronomy
942
_c
BK
_0
11
999
_c
2967
_d
2967