稻鸭共育复合系统对水稻生长与产量的影响

摘要/Abstract

摘要： 通过田间对比试验,研究了稻田全天候家鸭野养对水稻生长发育及其稻谷产量的影响.结果表明,在稻鸭共育复合生态系统中,由于鸭在稻间的活动明显改善了水稻群体质量,水稻无效分蘖比不养鸭对照显著减少,提高成穗率8.08%,增加水稻群体基部透光率4.05%;齐穗期和成熟期的绿叶面积比不养鸭对照分别增加6.01%和10.65%,叶片叶绿素含量增加2.90%和17.82%;齐穗期的根系活力和灌浆期剑叶的光合作用强度分别比不养鸭对照增加24.02%和15.73%,从而积累较多的有机同化物,提高经济系数2.87%,增产稻谷4.93%,最终实现了水稻良好生育和高产、高效的目标.

关键词: 稻鸭共育, 水稻, 生理生态, 生长产量

Abstract: The study showed that under rice-duck farming,the number of rice non-productive tiller reduced significantly,the ratio of its effective panicles increased by 8.08%,and its basal penetration light rate enhanced by 4.05%.At full-heading and maturing stages,the green leaf ratio under rice-duck farming was 6.01% and 10.65% higher than the control,and the leaf chlorophyll content was increased by 2.90% and 17.82%,respectively.Under rice-duck farming,the root vigour at full-heading stage and the photosynthesis capability of flag leaf at grain-filling stage were increased by 24.2% and 15.73%,which could accumulate more assimilative matter,and increase the harvest index and yield by 2.87% and 4.93%,respectively.

Key words: Rice-duck farming system, Oryza sativa, Eco-physiology, Growth, Yield

中图分类号:

S511

禹盛苗, 欧阳由男, 张秋英, 彭钢, 许德海, 金千瑜. 稻鸭共育复合系统对水稻生长与产量的影响[J]. 应用生态学报, 2005, 16(7): 1252-1256.

YU Shengmiao, OUYANG Younan, ZHANG Qiuying, PENG Gang, XU Dehai, JIN Qianyu . Effects of rice-duck farming system on Oryza sativa growth and its yield[J]. Chinese Journal of Applied Ecology, 2005, 16(7): 1252-1256.

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