O-P in rhizosphere soil decreased when exchange acidity and total hydrolytic acidity increased.
根际土壤o - P含量随着土壤交换性酸、水解性总酸度的增高而降低。
PBC were very significantly correlated (p-0.01) with the relative grain yield and relative total dry matter yield of corn, and significantly correlated with soil available K.
PBC与玉米子粒和总干物质相对产量之间达极显著相关、与土壤速效钾之间达显著相关。
It is convenience parallel veracity and easy to do . It is the standard method of determining total P in pollute soil.
此方法方便易行，平行性好，准确度高，可作为测定污泥中总磷的标准方法。
The reasonable sampling numbers for soil organic matter, total N and total P were 24,34 and 10 respectively.
取样间距对合理取样数目具有一定的影响，合理取样数目分别为：有机质（24）、全氮（34）、全磷（10）。
Furthermore, proportion of total N, available P, available K in soil are dissimilar after the disease invaded: Capacities of resistance on disease will be enhanced if infect trees are cut appropriate.
此外，林地内的土壤元素含量在病害侵入前后也会发生一定的变化：受到轻度砍伐的林地内其P、K含量较高，有利于提高树木对病虫害的抵抗能力。
Sewage Sludge on the Contents of Organic Matter, Total n, Total P, and Total K in Calcareous Immature Soil and Calcareous Mellow Soil.
通过盆栽试验研究了不同用量污泥对石灰性生土和熟土有机质和全氮、全磷、全钾含量的影响。
There is positive correlation between the phosphatase activity and soil organic matter, total P and available P.
磷酸酶的活性与有机质、全P和速效P都呈正相关，但与有机质的相关性不显著；
There was marked difference in total soil respiration and soil respiration with roots severed between treatments (P<0.01);
不同处理之间土壤总呼吸和断根土壤呼吸差异显著（P<0.01）。
There was marked difference in total soil respiration and soil respiration with roots severed between treatments (P<0.01);
不同处理之间土壤总呼吸和断根土壤呼吸差异显著（P<0.01）。
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