Chinese Agricultural Science Bulletin ›› 2005, Vol. 21 ›› Issue (10): 255-255.
Special Issue: 园艺
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Cheng yaqiao, Wang hanmin, Sun yuanfeng, Xia li, Mao hongyan
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Abstract: Through the system research in the Kinds of natural enemy and quantities, ecological state of the Orchard, main disease insects, and soil quality in the short-stalk close planting apple orchard in the different management way between 2000—2004, the result of determination shows that three years’ lasting planting grass cover covering can make the number of main natural enemy of the orchard increase to 10.3 times, main natural enemy on the earth, 6.4times, the harmful boom of aphid will be put off 3 to7 days, the harmful boom of Ye Man, 10~15days, the rate of the beneficial insects and pests will rise to 17.6 times. The harm of the main disease, Wheel grain rotten fruit and spot fallen leaves will respectively recluse to 56.8% and 46.7%. The main pests, aphid and the number of Ye Man in 100 leaves reduce to 46.2% and 85.7%, respectively the usage of agricultural Chemical will be reduced 3 to 4 times, the quantity of N in the soil will increase to 43.4%~49.0%. The quantity of the organic substance in the soil will rise to 42.0 to 45.0%, quick results P will increase by 28.0 to 33.0%, quick results K will increase by 48.8 to 50.2%. The quality and quantity of fruits will greatly in crease, economy and ecological benefits art remarkable.
Cheng yaqiao, Wang hanmin, Sun yuanfeng, Xia li, Mao hongyan. Benefit Assessment of Artificial Planting Grass and Covering Grass in Short-stalk Close Planting Apple Orchard[J]. Chinese Agricultural Science Bulletin, 2005, 21(10): 255-255.
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https://www.casb.org.cn/EN/Y2005/V21/I10/255