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新修梯田马铃薯沟种较平作、垄作产量分别提高 11.1%和 15.9% ,产值分别增加 7.9%和 2 3.6% ,追施 N肥可使产量和产值分别增加 2 0 .3%和 15.7% ;追施保水剂可使产量和产值分别增加 31.2 %和 46.8% ;喷施多效唑 (Multiple- effect triazole,MET)可使产量和产值分别增加 2 9.7%和 58.0 %。
The newly-built terraced potato furrows were more flattened and the ridge yields increased by 11.1% and 15.9%, respectively, with the output value increased by 7.9% and 22.6% respectively. Topdressing N fertilizer increased output and output by 20.3% and 15.7% respectively. Shichongshui agent could increase the yield and output value by 31.2% and 46.8% respectively; spraying the multiple effect triazole (MET) could increase the yield and output value by 27.7% and 58.0% respectively.