钾素在我国果树优质增产中的作用

根据国内外有关报导和作者的研究就钾素对果树的作用机理、施后对果树的影响、适宜用量、时期、方法以及与磷、氮配施比和钾肥品种选择等方面，作了较为详细的介绍和讨论。并就我国当前围绕提高果实品质对策中，确认采取以增施钾肥为中心的平衡施肥重要性以及钾肥在我国果树生产中应用前景作了详述。

Effects of Potassium fertilizers for Improving Quality and Production of Fruit Crops

Based on the researches of the authors and the scientists in the world,the role of potassium for improving the quality and production of fruit crops was comprehensively reviewed on the mechanism of potassium on the growth of fruit trees; its effects on yield and quality; methods, amount and time of application; and in proportion with nitrogenous, phosphorous and the different kinds of potasium fertilizers. It the indicates that the importance of enhancing application of potassium fertlizers and balancing fertilizing for the improvement of fruit production and quality in China.