Evaluation of the effectiveness of selected nitrogen fertility indicators for assessing crop rotation effects in a vertisol

Kendaragama, K.M.A.2020-04-182020-04-182002Annals of the Sri Lanka Department of Agriculture, 4:p.83-88https://dl-doa.nsf.gov.lk/handle/1/2003FERTILIZERSCrop RotationNitrogen Fertility IndicatorsVertisolsEvaluation of the effectiveness of selected nitrogen fertility indicators for assessing crop rotation effects in a vertisolArticle