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0145 土壤氮含量对茶树吸收 N~(15)标记肥料的影响乌山光昭等在五月把一年生茶树移栽到三种不同氮含量的样钵中,放在温室里培养6星期后分别放以 N~(15)标记的硫酸铵(示踪原子为10.3%)100、200和400毫克氮,同时施与0.9克磷酸钾(一价的)。继续让其生长5星期(直
0145 Effects of Soil Nitrogen Content on Absorption of N ~ (15) Marker Fertilizer in Tea Plant WU Shan-Guangzhao et al. Transplanted the annual tea tree into three kinds of sample pots with different nitrogen contents in May and placed them in a greenhouse for 6 weeks and then placed them in Ammonium sulfate (tracer atom 10.3%) labeled N? (15) 100, 200 and 400 mg of nitrogen were simultaneously applied with 0.9 g of potassium phosphate (monovalent). Continue to let it grow for 5 weeks (Straight