The main factors influencing the wheat yield in downland were initial nitrogenous dressing, the amount of nitrogenous fertilizer applied for different leaf age and close fertilization.
对模型进行解析，找出了影响五区小麦产量较大的因子是氮基肥、不同叶龄追施氮肥和密度。
In order to accelerate close canopy of new plantation Phyllostachys nuda forest, fertilization experiment on new growing bamboo was carried.
为了促进新造林的郁闭，对新造石竹林进行施肥研究试验。
The formation of soil secondary salted in greenhouse cultivation in suburbs of Shanghai has a close relationship with improper fertilization or employing too much fertilizer.
沪郊设施栽培土壤次生盐渍化的形成与化肥使用不当或过量施用密切相关。
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