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本所去年作了一个各种形态磷肥对紫云英的肥效试验。从目前田间紫云英生长情况和实际测查的结果,说明各种形态的磷肥对紫云英都有良好的肥效。由于培育好綠肥作
Last year, the Institute made a variety of forms of phosphate fertilizer on the effect of milk vetch test. From the current field growth and actual test of the results of the test, that all forms of phosphate fertilizer have a good effect on the milk vetch. Due to cultivate good green manure