| 000 | 00557 a2200169 4500 | ||
|---|---|---|---|
| 999 |
_c6800 _d6800 |
||
| 003 | ISURa | ||
| 008 | 160523b xxu||||| |||| 00| 0 eng d | ||
| 041 | _aEnglish | ||
| 082 |
_a631.558 _bDEP |
||
| 245 |
_a cropping systems research _bon-farm research manual |
||
| 260 |
_c1990 _aPilippines _bDepartment of Agriculture bureau of Agricultural research _g1990 |
||
| 300 |
_bill. _c26 cm. _a[xvi] ,215 p. |
||
| 650 |
_aAGRICULTURE _912742 |
||
| 650 |
_aTECHNOLOGY VERIFICATION TRIALS ON FARMERS FIELD _912743 |
||
| 650 |
_aCROPPING SYSTEMS _912744 |
||
| 942 |
_cSR _2ddc |
||