000
00242nam a2200109 4500
082
_a
630.58 SPA-A
100
_a
Sparks
245
_a
Advances in Agronomy Vol: 121
260
_a
Amsterdam
_b
Elsevier
_c
2013
300
_a
527
942
_2
ddc
_c
BK
999
_c
131152
_d
131152