Mineral Nutrition of Cacao (Theobroma cacao L. ) IV-Effects of Nitrate and Urea Nitrogen on Deficiency Symptoms of Phosphorus, Potassium, Calcium and Magnesium in Sand Culture
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Mineral Nutrition of Cacao (Theobroma cacao L. ) IV-Effects of Nitrate and Urea Nitrogen on Deficiency Symptoms of Phosphorus, Potassium, Calcium and Magnesium in Sand Culture. (1965). Tropical Agriculture, 42(1). https://journals.sta.uwi.edu/ojs/index.php/ta/article/view/3793