According to the results of experiment, spraying Calcium fertilizer can efficienttiy increase the yield and quality of Fuji apple.
结果表明：苹果的产量和品质是叶片中氮、磷、钾、钙、镁、铁等元素综合作用的结果；
Effects of calcium fertilizer application on yield and quality Fuji apple in Weibei dryland were studied by spraying five calcium fertilizer.
结果表明，喷施钙肥能有效的提高产量和品质，但对果实的毒素含量无影响。
In recent years apple production in China has met with the problems of poor quality, low yield, and unfavorable marketing conditions both at home and abroad.
我国苹果生产近几年出现了卖果难、品质差、单产低、出口量小等一系列问题。
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