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1人参的需肥规律各年生人参的需肥量人参是五加科人参属半阴性植物,需光量在15%～25%。随着生长年限的增加,需肥量也在增加。据测定:一年生人参每株需氮8.4毫克、磷2.9毫克、钾11.6毫克,合计22.9毫克。2年生人参需氮磷钾量是1年生的4～5倍,3年生是2年生的2.5～3.5倍,4年生是3年生的2.5～3.5倍,5年生是4年生的1.2～1.5倍,6年生是5年生的1.2～1.5倍。
1 ginseng law of need fertilizer Annual ginseng need fertilizer Ginseng is the five plus ginseng is a semi-negative plants, the amount of light required 15% to 25%. With the growth of the growing years, the amount of fertilizer needed is also increasing. It is measured: annual ginseng nitrogen per plant 8.4 mg, phosphorus 2.9 mg, potassium 11.6 mg, a total of 22.9 mg. 2-year-old ginseng needs nitrogen and phosphorus potassium is 4 to 5 times the annual, 3-year-born 2.5 to 3.5 times the biennial, 4-year-old is 2.5 to 3.5 times the 3-year-old, 5-year-old 4-year-old 1.2 to 1.5 times, 6-year-old is 1.2 to 1.5 times of 5-year-old.