000 00462 a2200169 4500
082 _a633
_bCLA
090 _c22354
_d35213
100 _aClark, N. A.
245 _aField crops
_blaboratory manual
260 _aMaryland
_bAgronomy Department University
_c1976
_g1976
300 _aiv,203p.
_c28cm
650 _aAgriculture and related technologies
650 _aField and plantation crops
700 _aUndersander, D. J
700 _aDecker, A. M
942 _cL
999 _c49731
_d49731