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Position: Home > Articles > Nutrient-release Properties of Later-rice Seed-coating Fertilizer ZFWW-6 Journal of Anhui Agricultural Sciences 2018 (11) 106-108

晚稻种衣肥ZFWW-6的养分释放特性

作者：

熊海蓉;熊文洋;胡仁杰;文祝友;熊远福;彭雪风

单位：

中南林业科技大学;湖南农业大学

关键词：

种子包衣肥;养分释放;环境因素;晚稻

摘要：

[目的]研究晚稻种衣肥ZFWW-6的养分释放特性。[方法]用ZFWW-6制备包肥种子,测定种衣肥中养分N、P、K的初期释放率、微分释放率、累积释放率和养分释放期,探讨温度、肥水比及pH对养分释放的影响。[结果]种衣肥中N、P、K的初期释放率<30.00%,微分释放率<2.00%;养分N、P、K的释放期分别为62.2、57.8和79.5 d。温度、肥水比和pH对晚稻种衣肥养分的释放有一定的影响,可能是这些因素能改变养分的溶解速率、扩散速率等所致。[结论]该晚稻种衣肥的养分缓释特性良好。

译名：

Nutrient-release Properties of Later-rice Seed-coating Fertilizer ZFWW-6

作者：

XIONG Hai-rong;XIONG Wen-yang;HU Ren-jie;Hunan Agricultural University;Central South University of Forestry & Technology;

关键词：

Seed-coating fertilizer;;Nutrient releasing;;Environmental factor;;Later-rice

摘要：

[Objective] To explore the slow-release properties of later-rice seed-coating fertilizer ZFWW-6. [Method]The initial release rate,differential release rate,cumulative release rate and nutrient release-duration of N,P,K in later-rice seed coated by fertilizer ZFWW-6 were determined. Influences of environmental factors including temperature,fertilizer-water ratio and pH on nutrient release were experimented preliminarily. [Result]The initial release rates of N,P,K in this seed-coated fertilizer were less than 30. 00%,and the differential release rates of N,P,K were less than 2. 00%; The release duration of N,P,K in this fertilizer were 62. 2,57. 8 and 79. 5 d,respectively. Environmental factors such as temperature,water ratio and pH could influence the release of nutrients in this fertilizer,and the possible reason was that these factors could change the rates of dissolution and diffusion of nutrient in this fertilizer. [Conclusion]The slow-release properties of ZFWW-6 were good

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晚稻种衣肥ZFWW-6的养分释放特性

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