Effects of three major nutrients on the growth and yield of baical skullcap (Scutellaria baicalensis Georgi)
2002
"Motoda, Y. (Tokyo Univ. of Agriculture (Japan)) | Nakamura, Y. | Tamai, F. | Tanabe, T. "
"The fertilization test of three major nutrients of potassium chloride, super phosphate and ammonium sulfate was carried out for the establishment of the method of fertilizer application in baical skullcap cultivation, and the effect on the growth and yield was investigated. Results obtained are as follows. 1. Though the top growth was suppressed by the lack of ammonium sulfate and super phosphate, there was little effect to growth control by the lack of the potassium chloride. In addition the photosynthetic rate was lowered by nitrogen deficiency. 2. The application of super phosphate and potassium chloride was effective for early growth in the emergence of seedling, and the establishment of seedling also showed good result. 3. The effect of ammonium sulfate application in early growth seemed to be small, because it might slow the early growth of baical skullcap. 4. The application of ammonium sulfate and super phosphate seemed to be effective for subterranean part yield."
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