... 土壤分类 soil classification 土壤酸碱度 soil pH value 土壤结构破坏 disintegration of soil ...
基于6个网页-相关网页
In the condition of the trial , the best dosage of S was 5% of soil weight, making soil pH value with 8.90 reduce to 7.07.5 in one month .
④在本试验条件下得出，在1个月内要想把土壤pH值由8.89降低到7.0～7.5之间，硫磺的最佳用量为土壤的5％。
参考来源 - 酸性物质对石灰性土壤的酸化效果和生物效应研究Compared with CN, CS was good at regulating soil pH value, and thus benefit to the transferring of nutrients.
相比常无,秸秆还田在开花期利于调节土壤酸碱度,从而有利于养分转化。
参考来源 - 保护性耕作对麦田土壤微生物特性及理化性状的影响Main conclusions were listed as the follows:(1) Lime soil enzyme activity was affected by soil pH value, organism content, and hygroscopic water content.
其主要结论为：(1)石灰土酶活性水平的高低受土壤pH值、有机质含量和吸湿水含量的影响。
参考来源 - 不同生态模式下石灰土酶活性与环境因子的响应分析·2,447,543篇论文数据，部分数据来源于NoteExpress
But alfalfa ground soil PH value were higher than cotton ground.
但是苜蓿地土壤ph值比棉花连作地的高。
Upward along the slope, soil pH value, organic matter content, total porosity and capillary porosity increase, and soil bulk density decreases.
土壤容重沿坡面向上减小可能主要与土壤有机质含量、粘粒含量、结构状况和松紧度以及孔隙度状况等有关。
Analyzing the organic matter, Nitrogen, Phosphorus, Fast working Kalium, Fast working Phosphorous, total salt quantity and ph value of the main type of soil in Linze county.
对临泽县主要土壤类型的有机质、全氮、全磷、速效钾、速效磷、全盐量、ph值进行了化验分析。
应用推荐