海南省商品有机肥的组成与养分状况研究

发布时间：2018-07-26 18:15

【摘要】：【目的】为了解海南省商品有机肥质量状况,分析海南省商品有机肥的理化性质以及元素组成。【方法】将采集的有机肥样品经过预处理测定了有机肥的鲜样含水量、有机质含量、pH值、氮、磷以及钾的含量。同时还测定了有机肥的灰分、腐殖酸含量以及中微量元素的含量。【结果】商品有机肥的合格率为7.84%,按照有机肥原料来源将合格率从大到小排序:植物性有机肥(合格率=33.33%)海藻类有机肥(合格率=25.00%)不明来源商品有机肥(合格率=11.11%);鱼虾有机肥、羊粪有机肥、牛骨粉有机肥以及黄腐酸有机肥中没有合格产品。有机肥理化性状与营养元素含量的分布范围较大,理化性质中的鲜样含水量、pH、有机质含量、灰分以及腐殖酸含量的范围分别为1.4%~67.9%、3.41~9.49、8.36%~83.01%、22.81%~85.67%、85.24~871.49 mg/kg;N、P_2O_5、K_2O、Ca、Mg、S、Fe以及Mn的含量的变化范围分别是:0.24%~10.16%、0.21%~7.10%、0.19%~8.48%、0.02~3.37 g/kg、0.03~0.78 g/kg、0.60~2.48 g/kg、0.34~17.65 g/kg、0.01~0.27 g/kg。测定指标中除鲜样含水量和Ca含量之外,其余指标的分布特征均符合正态分布。【结论】海南省商品有机肥质量状况总体较差,不同有机肥之间营养元素以及理化性质等指标的差异较大。
[Abstract]:[objective] to understand the quality of commercial organic fertilizer in Hainan Province, analyze the physical and chemical properties and elemental composition of commercial organic fertilizer in Hainan Province. [methods] the fresh water content of organic fertilizer samples was determined by pretreatment. The content of organic matter is pH value, nitrogen, phosphorus and potassium content. At the same time, the ash content of organic fertilizer was also determined. [results] the qualified rate of commercial organic fertilizer was 7.84. According to the source of organic fertilizer, the qualified rate was ranked from large to small: vegetable organic fertilizer (qualified rate: 33.33%) Organic fertilizer of unknown origin (11.11%), organic fertilizer of fish and shrimp (11.11%), organic fertilizer of fish and shrimp (11.11%), organic fertilizer of fish and shrimp (11.11%), There are no qualified products in sheep manure, bovine bone powder and fulvic acid organic fertilizer. 鏈夋満鑲ョ悊鍖栨，

本文编号：2146884