Studies on Nutrient Deficiencies in Tea Plant (Part 2):Effect of Nutrient Deficiencies on Mineral Contents in Tea Leaf
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The effect of nitrogen, phosphorus, potassium and magnesium deficiencies on the mineral content in the tea plant was investigated by sand culture method.<BR>The results were summarized as follows.<BR>1. The same deficiency symptons in every nutrient were observed as reported in the previous paper by water culture.<BR>2. The mineral content not supplied in the culture media decreased in the tea plant, and this deficiency influenced upon the uptake of other mineral nutrient. This tendency wasremarkable in the N-deficient plot, in which some mineral nutrients other than nitrogen were abnormally accumulated in the leaves at the beginning of the experiment, but after, 3 years at the end of it these minerals remarkably decreased.
- 日本茶業技術協会の論文
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