而适度的干旱可以提高水分利用效率和收获指数。
The Landrace variety Monkhead use more soil water, but the water using efficient is low.
施用复合微生物肥能提高水稻株高和收获指数，并通过增产实现增效。
Compound microbial fertilizer could also increase the height and harvest index of rice. Besides, it could enhance farming efficiency by increasing yield.
在南京和洪泽两地研究了5个杂交粳稻及其亲本和3个纯系粳稻的生物量、稻谷产量和收获指数。
Biomass, grain yield (unhulled) and harvest index of 5 japonica hybrids, their parents and 3 japonica pure lines were studied in Nanjing and Hongze.
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