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[油茶苗]油茶苗存放方式与环境对造林成活率的影响

发布时间:2021-01-18来源:全冠香樟树

The relationship between the storage ways,storage time,storage temperature,humidity as well as dehydration rate and the transplanting survival rate were studied in this paper.The results showed that:In the warm,sunny day (16℃),grafting plants could be packed by the plastic bag or dipped by the mud in the root if they were deposited for a short period(6 h),but the long-term storage must be temporarily planted.The quality of temporary planting had obvious effects on the survival rate.The survival rate declined with the prolonging of storage time in the roughly heeling,but increased with the prolonging of storage time in the carefully and attentively heeling,which could revive root growth and improve transplanting survival rate.The effects of storage temperature and humidity on dehydration rate were:sunny with temperature of 19.0~20.0℃sunny with temperature of 12.0~13.0℃cloudy with temperature of 14.0~16.5℃rainy with temperature of 8.5~10.2℃.At the condition of sunny day with high temperature,the dehydration rate was double of rainy day(in sunny days with high temperature,the dehydration rate was 25.62%,it was 12.55% in rainy days).The grafting plants dehydration rate was basically the same trend in different temperature and humidity conditions,initially it was faster,and then gradually tended to decline and gentle.So the factors affecting the survival rate of afforestation was very complicated.The treatment in keeping plants fresh should be taken for higher survival rate according to environmental conditions.

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