000 00353nam a2200145Ia 4500
082 _a633
_bMAP
100 _aMartin John
_926108
245 _aPrinciples of field crop production
260 _aLondon:
_bMacmillan,
_cn.d
300 _b1044p.
546 _aeng
650 _aFarm produce
_9172105
700 _aLeonard W H (jt.auth)
_9172106
942 _cBK
999 _c89685
_d89685