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钙是植物必需的大量元素之一，在果树上应用的报道较多。硅是大多数作物的有益元素，在果树上的应用未见报道。硅钙肥是沈阳热电有限化肥生产公司生产的，含ＳｉＯ２２５％－２８％、ＣａＯ１１％－１３％。１９９４－１９９６年苹果树施用，增产４４％－２２．４％。其适宜用量为每株１０－１２ｋｇ
Calcium is one of the large number of essential elements of plants, the application of fruit trees reported more. Silicon is a useful element for most crops and its application to fruit trees has not been reported. Calcium silicate fertilizer is limited by Shenyang Thermo Chemical fertilizer production company, containing SiO225% -28%, CaO11% -13%. 1994-1996 apple trees, yield 44% -22.4%. The appropriate amount of 10-12kg per plant