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Position: Home > Articles > Effects of Decrease Cadmium after Application Compound Microbial Organic Fertilizer in Late Rice Hunan Agricultural Sciences 2017 (3) 35-37+41

复合微生物有机肥在晚稻生产中的降镉效果

作  者：
陈友民;周卫军;周雨舟;罗思颖;曹胜;曹宁秋
单  位：
湖南农业大学资源环境学院
关键词：
复合微生物肥;土壤;稻谷;降镉效果;晚稻
摘  要：
采用田间试验研究了复合微生物有机肥对重金属镉污染稻田的降阻作用与效果。结果表明:复合微生物有机肥可以促进土壤有效养分的活化,与对照相比可提高土壤碱解氮51 mg/kg、有效磷2.0 mg/kg和速效钾31 mg/kg,但水稻的增产效果不显著;可降低土壤镉的生物有效性,施用量在75 kg/667m~2及以上时,土壤有效镉含量显著地低于对照;可减少镉向稻谷中的迁移,降低稻谷镉含量,施用量在50 kg/667m~2以上时,稻谷镉含量显著地低于对照处理的。
译  名：
Effects of Decrease Cadmium after Application Compound Microbial Organic Fertilizer in Late Rice
作  者：
CHEN You-min;ZHOU Wei-jun;ZHOU Yu-zhou;LUO Si-yin;CAO Sheng;CAO Ning-qiu;The College of Resources and Environment, Hunan Agricultural University;Liuyang Environmental Protection Bureau,Hunan Province;
关键词：
compound microbial organic fertilizer;;soil;;rice;;effects of decrease Cd;;late rice
摘  要：
The effects of decrease and prevention Cd were studied after application compound microbial organic fertilizer in late rice with the field experiment. The results showed the compound microbial organic fertilizer could activate the soil available nutrients and decrease the bio-available of the soil Cd and the content the rice Cd in late rice. Compare with the contrast treatment(CK), the content of the soil alkali-hydrolyzable nitrogen, the available phosphorus, and the available potassium could increase by 51, 2.0, and 31 mg/kg, respectively, but the increase of the rice yield was not significant, when the compound microbial organic fertilizer was applied in late rice. The content of soil available Cd was significantly less in those treatment of over 1 125 kg/hm~2 the compound microbial organic fertilizer than CK. The ability of Cd transferring to rice was weaken when the compound microbial organic fertilizer was applied, while the content of the rice Cd was notably less in the treatments of over 750 kg/hm~2 the compound microbial fertilizer than CK.

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