The results show that the technique has significant effect on yield improvement, and the mechanism is the increase of secondary roots and the change of yield component.
试验结果表明，春小麦机械覆膜穴播增产效果达到极显著水平，其增产机理主要为小麦次生根数的增加和产量结构的变化。
Along with density varied, the function effect was also different. The influence of 2 times and 4 times on growth, yield and quality improvement was obvious, but 8 times treatment.
但浓度不同，作用效果也不同，2倍和4倍稀释液对辣椒产量和品质的改善要明显些，8倍稀释液无明显作用。
The results indicated that applying organic fertilizer had improvement effect on the physical and chemical characters of the soil, and it could enhance rice yield.
结果表明：施用有机肥对土壤理化性质均有很大的改善，并相应地提高水稻产量。
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