000 | 00545nam a22001577a 4500 | ||
---|---|---|---|
003 | OSt | ||
082 |
_a631.8 _bVIR/SO |
||
245 |
_aSoil fertility and fertiliser use: _bv.4 nutrient management and supply system for sustaining agriculture in 1990s |
||
260 |
_aNew Delhi _bIFFCO _c1990 |
||
300 | _axiv,357p. | ||
546 | _aEnglish | ||
650 | _aPresent agriculture production performance and future challenges | ||
650 | _aFertilisetr and sustainable agriculture | ||
650 | _aExtension education in fertiliser management | ||
942 |
_2ddc _cBK |
||
999 |
_c161195 _d161195 |