000 00519 a2200169 4500
082 _a631.8
_bTHE
090 _c22148
_d34793
100 _aThenabadu, Mervyn W.
245 _aUse of fertilizers and manures in Sri Lanka
260 _aColombo
_bNational Science Council
_c1980
_g1980
300 _aiii,42p.
_c23cm
440 _aScience education series No. 5
650 _aFertilizers,soil conditioners,growth regulators
650 _aAgriculture and related technologies
650 _aSpecific techniques
942 _cL
999 _c49549
_d49549