BGA土壤调理剂对土壤结构及养分的影响

Effect of of BGA Soil Conditioner on Soil Structure and Nutrient

研究BGA土壤调理剂对土壤体积质量、总孔隙度、团聚体和养分含量的影响。结果表明,施用BGA土壤调理剂能降低土壤体积质量0.7%、使土壤总孔隙度、毛管孔隙度和非毛管孔隙度增加,对增大土壤持水量和毛管持水量都具有明显效果。对7mm以下土壤团聚体的形成有促进作用,且能增强土壤团聚体在水中的稳定性。降低土壤pH,使土壤有机质、全氮、全磷、全钾、速效磷和速效钾分别增加12.0%、3.1%、5.7%、0.29%、29.2%和41.3%,增加的效果接近PF施肥的效果。

In order to dry wet land,in this p e used on dry aper explore , three the mea effects of BGA soil conditioner and organic fertilizeron applicated on sures such as BGA soil conditioner, organic fertilizeron and control land and their effects to the soil bulk density, porosity contents were studied, the results show that： BGA soil conditioner can re Increase to increa promote in water. nitrogen 41.3%. , soil aggregates and nutrient duce soil bulk density 0.7 %, soil total porosity, capillary porosity and non-capillary porosity, and it had a significant results se soil water holding capacity and capillary water-holding capacity. BGA soil conditioner can soil aggregates formation below 7mm,and can increase the content of soil aggregate stability BGA soil conditioner Can reduce soil pH, and improve soil organic matter, total amount of ,phosphorus and potassium,the rate of increase were： 12.00%,3.1%,5.7%,0.29 And its effect of increasing close to organic fertilizeron （PF）.