Fertilizer studies on selected vegetable crops in the up country with emphasis on residual activity of soil P and K.

2015-03-302015-03-30https://dl.nsf.gov.lk/handle/1/18236Agricultural SciencesSoil ScienceAgricultural ChemistryFertilizer studies on selected vegetable crops in the up country with emphasis on residual activity of soil P and K.Regional Agricultural Research CentreCIDA/83/05FR 0728