The correlation and path action among economic characters to grain yield for 11 mainly promoted hybrid rice in Guangdong were analyzed .
本文研究了11个广东省主推杂交水稻组合主要经济性状间的相互关系及其对产量的通径作用。
The yield components and grain filling characters of northern large panicle type super japonica hybrid rice Liaoyou 3072 were studied.
对北方大穗型超级杂交粳稻辽优3072进行了产量结构和灌浆特性的研究。
The results indicated that applying organic fertilizer had improvement effect on the physical and chemical characters of the soil, and it could enhance rice yield.
结果表明：施用有机肥对土壤理化性质均有很大的改善，并相应地提高水稻产量。
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