试验表明 ，氮磷钾与有机肥配合施用较农民习惯施肥有极显著的增产增收效益。
The field experiment showed that there were very significant effect on potash and phosphate application and significant effect on organic manure application.
试验表明 ，氮磷钾与有机肥配合施用较农民习惯施肥有极显著的增产增收效益。
The field experiment showed that there were very significant effect on potash and phosphate application and significant effect on organic manure application.
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