000 00486nam a2200145Ia 4500
001 MPKV105498
008 120911s9999 xx 000 0 und d
100 _aSparks D L
245 _aAdvances in Agronomy Vol. 78
_cSparks D L;
246 _aAdvances in Agronomy Vol. 70
260 _aUSA
_bAcademic Press A Harcourt Science and Technology Company 525 B Street Suite 1900, San Diego, Califormia 92101-4495
_c2003
300 _axi
_b278pp
365 _b5853.56/-
700 _aSparks D L
999 _c68897
_d68897