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日本温室甜瓜栽培所采用的有机态氮肥一般为油菜饼肥、鱼糟肥(加工厂将鱼内脏腐熟发酵加工制成的肥料)和骨粉等。本研究的第1个试验是:将油菜饼肥、鱼糟肥、骨粉按6∶3∶1的比例混合,每株施肥量按5、10、15、20g4个处理进行。试验时,每株加硫酸钾15g,磷肥(过磷酸钙∶速效磷=1∶
Japanese greenhouse melon cultivation using organic nitrogen fertilizer is generally rape cake pie, fish spoilage (processing plant will be filthy rotten fermentation processing of fertilizer) and bone meal. The first experiment in this study was that the rapeseed cake, fish meal and bone meal were mixed according to the ratio of 6: 3: 1, and the amount of fertilizer per plant was 5, 10, 15 and 20g4 treatments. Test, each plant plus potassium sulfate 15g, phosphate (superphosphate: available phosphorus = 1: