长期有机无机肥配施对黑土养分特征的影响
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S155

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国家科技支撑计划项目(2013BAD07B02)


Effects of Long-Term Different Organic and Inorganic Fertilization on Nutrients of the Black Soil
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    摘要:

    以吉林省公主岭长期定位试验站为基础,研究不同施肥模式对黑土表层(0~20 cm)及亚表层(20~40 cm)土壤有机质、碱解氮、速效钾、速效磷的影响。结果表明有机无机肥配施可以提高土壤中有机质、碱解氮、速效钾、速效磷的含量,尤其以增量有机无机配施处理[1.5(NPKM)],土壤有机质、速效磷、速效钾含量变化最为显著,而常量有机无机配施兼轮作模式[NPKM(2)]土壤碱解氮含量最高。休闲处理土壤中养分含量基本保持试验前的水平。秸秆配施无机肥(SNPK),对土壤有机质、碱解氮、速效钾、速效磷含量影响不是很明显。总之,从长期来看,合理的施肥尤以有机无机肥相结合会维持土壤性质和生产能力,更有利于农业可持续发展。

    Abstract:

    Effect of different fertilization patterns on organic matter, available N, P and K contents of upper andsub-upper soil was studied on Gongzhuling Long-Term Position Experimental Station of Jilin Province. The resultsshowed that soil organic matter, available N, P and K contents increased in organic and inorganic fertilizers mixedtreatment, and soil organic matter, available P and K increased significantly in incremental organic and inorganicfertilizer treatment. Soil available N content was the highest in the common organic and inorganic fertilizers andcrop rotation patterns treatment. The nutrient contents remained the same level before the test in leisure soil treat-ment. The soil organic matter, available N, P and K contents did not change obviously in the straw with inorganic fer-tilizer NPK treatment. In short, rational fertilization will maintain soil properties and production capacity in longterm, and this is favorable to sustainable agricultural development, especially applying a combination of organic andinorganic fertilizers.

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王莉,高淑青,李梦瑶,曹志远,朱平,张晋京.长期有机无机肥配施对黑土养分特征的影响[J].东北农业科学,2015,40(3):54-58,91.

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  • 收稿日期:2014-12-27
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  • 在线发布日期: 2024-12-06
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