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稻草还田与施钾效果研究 预览 被引量:6

Study on effects of rice straw return into field and using potassium
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摘要 采用田间小区试验研究了稻草还田对水稻生长发育、产量及土壤培肥的影响,结果表明:在洞庭湖贫钾地区,稻草还田能显著促进晚稻生长发育,提高结实率,增加千粒重.同时还可以提高土壤有机质含量,有利于培肥地力.在稻草还田的条件下,施用适量钾肥,对晚稻生长的促进作用和培土作用更加显著. Experiments were conducted to study effect of rice straw return into field on rice growth, rice grain yields, and soil fertility. The results showed that in the Dongting lake potassium-poor region, rice straw return into field could promote growth of late rice and increase and the burliness rate, and thousand-grain heavy, and increase the soil organic matter content, and the land productivity. It can promote better the growth of late rice and the land productivity obviously under rice straw return into field and using moderate the potassium fertilizer.
作者 陈万明 谢胜祖 蔡长安 连建民 (CHEN Wan-ming, CAI Chang-an, XIE Sheng-zu, LIAN Jian-ming)
出处 《土壤肥料》 CSCD 北大核心 2004年第6期 7-10,共4页 Soils and Fertilizers
关键词 晚稻、稻草还田、施钾 late rice, rice straw return into field, using potassium
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