Analysis on Citrus Leaf Nutrition and Fertilization Measures in Kaixian County of Chongqing
Contents of 11 kinds of nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, manganese, iron, copper, zinc and boron in 67 leaf samples from Chongqing Kaixian 12 main citrus orchard were analyzed.The results show that, Common citrus orchard leaf has higher nitrogen, but is lack of zinc, magnesium, potassium.Excess nitrogen accountedfor 77%, excess phosphorus accountedfor 37%, potassium deficiency accounted for 75%, Zinc deficiency accounted for 95.5%, Manganese deficiency accounted for 40%, Magnesium deficiency accounted for 62%.Adjust the fertilization measures of Kaixian Citrus, according to the nutritional content of leaves, the key measure is control of nitrogen and supplement of potassium, zinc, magnesium, manganese.In order to improve the yield and quality of Citrus in Kaixian.
NETL
NSTL
万方数据
维普
