针对江苏省规模养殖废弃物超排，引起环境污染严重且资源大量浪费的突出问题，研究了施用高量猪粪有机肥对水稻剑叶光合作用与产量的影响。试验结果表明，水稻灌浆期施用150%猪粪有机肥较化肥处理增加了剑叶净光合速率、SPAD值和净光合量，但降低了剑叶叶面积；另外，施用150%猪粪有机肥较化肥处理提高了剑叶净光合速率对其净光合量的贡献率6.8个百分点；水稻收获期施用150%猪粪有机肥，较化肥处理提高了水稻产量和经济系数，但未达到显著水平。可见，本试验条件下，施用猪粪有机肥氮素达到化肥的1.5倍，能够实现水稻高产。
In order to treat waste super ovulation by large-scale cultivation in Jiangsu Province, which may cause serious environment pollution and a massive waste of nutrient resource, field experiments were conducted to investigate the effects of high pig manure on sword leaf photosynthetic characteristics and yield of rice. The results showed that 150% PM treatment increased the net photosynthetic rate, net quantity of photosynthesis and SPAD, and which reduced the sword leaf area compared with NPK treatment. Moreover, the amount of net photosynthetic contribution from net photosynthetic rate was increased with 150%PM treatment compared to NPK treatment by 6.8 percentage points at filling stage. The rice yield and economic coefficient of 150%PM treatment were higher than that of NPK treatment at harvest. In addition, use of pig manure nitrogen reached 1.5 times of fertilizer can achieve high yield of rice in the research condition.
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