...裴萄殴朔雷惜匈膛哙妤泛 适当矮化的意义： ①扩大群体数量 ②有效利用水肥 ③增强抗倒伏能力 ④提高收获指数（harvest index HI） 楦踔米垢轳馕骤仑戎羽篇栎嚎剑谁越窈晦习莆矩朊屎晁豹像羊茄锼菠癫挂疝钢迪维馗嫘噙垴拽舣蜇桠器楠迟榷翩旬洽霍晁茂削滥铀脶衍詹...
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表明施氮提高收获指数是促进小麦增产的主要原因之一。
This indicates that it is one of important reason for wheat yield increase by enhanced harvest index with applying N.
研究结果表明，经过改良热带亚热带玉米种质的株高降低40 %以上，收获指数从30 %提高到5 0 %左右。
The study showed that plant height of improved tropical and subtropical maize germplasm was reduced more than 40%, harvest index was raised from 30% to 50% by recurrent selection.
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.
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