Techniques of early bearing , high yielding and ecological culture for pear with prematurity and high quality in the north of Zhejiang

The findings of researches show that cv .Cuiguan , Qingxiang and Cuilu are premature and high grade pear with properties of vigorous adaptability , early bearing and high yielding .At the first stage of establishing a new orchard , increasing number of plants in unit-area and urging the blossom of plants are main neasures to achieve early fruits.In the third year , the output of the pear is 10.4 t hm-2 .84.6 %investment can be retrieved , and investment retrievable rate is 363.4 %.The natural grass in the orchard can feed sheep and the dejection of sheep can be used as fertilizer , which forms a favorable recycle .Organic fertilizer is preferred to chemical fertilizer .The fruits should be packed with bags and given less pesticide .The production of green food can reduce chemical fertilizer and pesticides pollution of environment .