Fertilizer usage and land productivity in intensively cultivated vegetable farming systems in Sri Lanka: an analysis based on a questionnaire survey

Upekshani, H.A.N.Dharmakeerthi, R.S.Weerasinghe, P.Dandeniya, W.S.2019-05-142019-05-142018-12Tropical Agricultural Research, 30(1):p.44-55https://dl.nsf.gov.lk/handle/1/24530Soil amendmentsFertilizer usageIntensive vegetable cultivationCrop productivityFertilizer usage and land productivity in intensively cultivated vegetable farming systems in Sri Lanka: an analysis based on a questionnaire surveyArticle