在土壤化学分析的基础上研究分析用不同n、P、K配方施肥与辣椒枯萎病发生的关系。
The relationship between incidence of fusarium wilt in chilly and the amount and preparation of N. P. K fertilizer was studied on the bases of soil chemical analysis.
采用调查研究与化学分析相结合的方法，对设施农田土壤生态环境恶化的原因进行了初步研究。
Through field investigation and chemical analysis, the reasons why soil ecological environment deteriorated on facility farmland were studied.
通过化学分析、等温吸附试验对广州重要水源地流溪河流域的菜地土壤磷素特征和流失风险进行了研究分析。
The characteristics and run-off risk of vegetable plot soil phosphorus in Liuxi river area was analysed by chemistry analysis and adsorption experiment.
通过小区采样并进行了机械组成和化学分析，认为侵蚀过程导致的土壤颗粒坡面分布变化点在0 。
The results of physical and chemical analysis of soil samples showed that the diameter changing point of soil particles caused by soil erosion is about 0.
利用化学分析法研究了高吸水性树脂对土壤中氮、磷、钾养分的影响。
The influence of super absorbent resin on nitrogen, phosphor and potassium in soil were studied.
他们对土壤进行了化学分析。
[7]鲁如坤。土壤农业化学分析方法[M]。北京：中国农业科技出版社，1999。
LU Rukun. Analysis Method of Agricultural Chemistry in Soil [m]. Beijing: Agriculture and Science Press, 1999. (in Chinese), 1999.
对西苕溪流域的土壤样品及部分太湖近岸表层底泥样品，进行了环境磁学测试与化学分析。
Soil samples in the Tiaoxi Catchment, mostly in West Tiaoxi Catchment, as well as some sediments in Taihu Lake, were collected and analyzed with magnetic properties and heavy metal concentrations.
通过化学分析和土壤淋洗试验对广州城郊菜地土壤磷素特征和流失风险进行了研究和分析。
The phosphorus characteristics and loss risk assessment of vegetable garden soils in the suburbs of Guangzhou city were studied by chemical analyses and leaching experiment.
通过化学分析和土壤淋洗试验对广州城郊菜地土壤磷素特征和流失风险进行了研究和分析。
The phosphorus characteristics and loss risk assessment of vegetable garden soils in the suburbs of Guangzhou city were studied by chemical analyses and leaching experiment.
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