000 003420000a22001690004500
650 1 4 _9134743
_aAGRICULTURA
650 1 4 _9151984
_aINVESTIGACION
593 _a4-10-1994
260 _bDepartment of Agriculture
310 _aIrr.
362 1 _a1927-
596 _aI
245 1 0 _aCIRCULAR
590 _gUSA
942 _cCR
999 _c130139
_d130139