The infected ratio, parasitical rate and central effect of Beauveria bassiana on Soybean aphis were measured though the field plot experiments.
田间小区试验测定了白僵菌对大豆蚜的感染率、寄生速率和防效。
Studies on the effects of organic-inorganic complex fertilizers on yields, quality, biomarker of lettuce were carried out by field plot experiments.
为合理开发和利用莴苣有机无机复混肥，采用田间小区试验，研究了有机无机复混肥对莴苣产量、品质及其生物指标的影响。
Effects of soybean specific fertilizer on adverse resistance of soybean in rotation and soybean continuous cropping were investigated by pot and field plot experiments.
采用田间与盆栽试验方法研究了大豆专用复混肥对轮作、连作大豆抗逆性的影响。
The change of soil fertility in the conversion period of organic processing tomato was studied through the plot experiments in the field for two years.
通过两年的田间小区试验研究了有机加工番茄生产转换期土壤肥力的变化。
The change of soil fertility in the conversion period of organic processing tomato was studied through the plot experiments in the field for two years.
通过两年的田间小区试验研究了有机加工番茄生产转换期土壤肥力的变化。
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