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钙是果树生长发育中所必须的营养元素之一 ,对提高果实品质、增强树体抗逆性有重要作用。为了摸清不同钙肥对梨树品质和抗逆性的影响 ,我们开展了不同钙肥在砀山酥梨树上的对比试验 ,现将试验结果总结如下。1 材料和方法试验园位于陇县天成镇上寨子村 ,占地约 0 .4hm2 。试验
Calcium is one of the necessary nutrients in the growth and development of fruit trees, and plays an important role in improving fruit quality and enhancing tree resistance. In order to find out the effects of different calcium fertilizers on the quality and stress resistance of pear trees, we carried out comparative tests on different calcium fertilizers in Dangshan Suli pear trees. The test results are summarized as follows. 1 Materials and Methods The test garden is located in Shangzhai Village, Tiancheng Town, Long County, covering an area of about 0. 4hm2. test