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为寻求提高砀山酥梨授粉坐果率和果实品质的途径,我们于1995～1997年在本场梨园进行了该试验。现将三年试验结果总结如下。 一、材料和方法 试验设在本场一队25小区,土壤属黄河故
In order to seek ways to improve the pollination rate and fruit quality of Dangshan Su pear, we conducted this experiment in pear field in 1995-1997. Now three years test results are summarized below. First, materials and methods Experimental set in the field of a team of 25 communities, soil is the Yellow River so