000 00403nam a2200121Ia 4500
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100 _aBolton J
245 0 _aEffect of fertilisers on pH and the exchangeable cations of some Malayan soils
260 _bProceedings of the Natural Rubber Research Conference, Kuala Lumpur, 1960; p70-80
650 _aFertilisers
650 _aSoil analysis
942 _cJS
999 _c57843
_d57843