By field experiment and lab analysis, the relation of the physiological bases of the reducing sugar forming in potato tuber and potassium metabolism was pilot studied.
通过田间试验和室内分析测定，对马铃薯块茎低还原糖形成的生理基础与钾代谢的关系进行了初步研究。
A field experiment was conducted to study the effect of new potato specific fertilizer on the yield and quality of potato.
通过马铃薯田间小区试验，研究新型专用配方肥对马铃薯产量和品质的影响。
The study on the effect of potash fertilizer on potato yield was carried out through field experiment and comparing trial.
通过小区试验和大田对比试验，对马铃薯施钾的肥效效应进行了研究。
Through plastic film covering and fertilization experiment on potato field, the dynamical changes of soil nutrients and soil enzyme activities were studied.
通过马铃薯覆膜集肥试验，研究了土壤养分和酶活性动态变化。
Through plastic film covering and fertilization experiment on potato field, the dynamical changes of soil nutrients and soil enzyme activities were studied.
通过马铃薯覆膜集肥试验，研究了土壤养分和酶活性动态变化。
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