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有机─无机复混肥的性质与肥效研究 被引量:1

Study on Properties and Efficiency of Organic-Inorganic Compound Fertilizer
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摘要 有机—无机复混肥(以下简称有机复肥)是由单一的N、P、K化肥加入一定量的优质有机物质经造粒制成.颗粒直径大部分>3mm。其性质:在水中比等氮、磷、钾量的无机复肥溶解快,不溶物少,氮的释放量大,密封条件下氨的挥发和在土壤中被水淋洗后氮的损失量均小。对水稻的增产效果比等量的氮、磷、钾单一化肥明显;对玉米的增产效果与进口复肥的相比,若两者的施用量相等,则其产量相当。 The organic-inorganic compound fertilizer is a granulous one turned out by mixing and granulationg the single N, P, K- fertilizer and some organic matter. Most of the particles are >3mm in diameter Compared with the mineral fertilizer the same amount of N, P and K, this organic compound fertilizer resents the following propertics: dissolving quickly in water and being less in insoluble residue; being able to release more nitrogen as it is submerged in water, and being less in nitrogen loss by ammonia eyaporation when it is stored under airtight condition or when it is leached in soil.It is showed that,the organic compound fertilizer can achieve higher rice output than that of mineral fertilizer of singlc N,P or K at the same application rate, and obtain com output as much as the imported compound one can do also at the same application rate.
出处 《热带亚热带土壤科学》 CSCD 1995年第4期193-197,共5页
关键词 有机无机复混肥 性质 肥效 organic-inorganic compound fertilizer, property, efficiency
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