Phon khong phosphorus lae potassium thi mi to kan charoen toepto khong ton lae phonphalit khong anun phan White Malaga praphet phon yao.
1982
Vanchai Kosakul
Effects of phosphorus and potassium on vine growth and yield of Cylindroidal White Malaga grapes was studied in clay soil at Amphoe Samphran, Nakorn Phatthom Province. Results showed that the fertilizer combination did not effect the weight and size of fruiting clusters. The 137 gms and 274 gms of triple super phosphate and potassium sulphate per vine combination was the best treatment with regard to fruit weight and size. The 548 gms of triple super phosphate and 548 gms of potassium sulphate per vine was the best for fruit taste with the highest sugar content but lowest acid percentage. Total shoot length, length of mature shoot (cane) and the number of buds on mature shoot (cane) positively correlated with the potassium increment.
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