effect on yield increase 增产效应研究
The results show that yield increase effect and economic benefit of controlled release N fertilizer application decrease in lower, medium and higher fertility paddy soils in proper order.
结果表明:在较低、中等和较高肥力稻田上,施用控释氮肥的增产效果和经济效益依次递减;
In the yield, multi-spore isolation strains Cc-1 strains in Coprinus comatus and negative two kind of effect, but tissue isolation strains all are increase, the increasing rate are higher 10%.
与保藏菌株相比较,鸡腿蘑多孢分离菌株在产量上有正负两种效应,而组织分离菌株增产均在10%以上。
In experiments on rice-groundnut rotation at Bhubaneswar, as an average of two years, increase in fertilizer levels did not effect yield of rice (Table 6.).
在布巴内斯瓦尔的稻-花生轮作试验中,二年平均来看,提高施肥水平并不影响水稻产量(表6)。
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