Preliminary fertilizer efficiency test report on applying vegetable special minor element fertilizer 蔬菜专用微肥肥效试验初报
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Research to the fertilizer efficiency of modified ammonium bicarbonate and its eluviation characteristics preliminary report 改性碳酸氢铵的肥效及淋溶特性研究初探
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So considerable errors might occur if water dissolution rate method was used to estimate the fertilizer efficiency although the method can make quick comparisons of nutrient release rates among different crfs / srfs 水中溶出率虽可以快速比较不同控/缓释肥的溶出速率,但用以估测肥料在田间的实际肥效,则产生较大的误差。