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硅钙肥是根据国外硅钙肥资料研制的一种中性微偏碱性的弱酸溶性的新型农用肥料,含可溶性 SiO_2≥30%,可溶性 CaO≥35%,还含有磷、钾等水稻必需的大量元素和硼、锰、铜、锌、钼等有效微量元素;外观灰白色粉状,无臭、无味、无毒,不吸潮,无腐蚀性。根据1990年晚造以来连续两造的多点试验、示范,杂交水稻施硅钙肥的增产机率达100%,增产幅度达9.2～18.5%,尤以稻草围田较少的田块效果最佳。
Calcium silicate fertilizer is a kind of new neutral fertilizers based on foreign calcium silicate fertilizers, which is soluble in SiO 2≥30%, soluble CaO≥35%, and contains necessary phosphorus, potassium and other rice A large number of elements and boron, manganese, copper, zinc, molybdenum and other trace elements; the appearance of gray powder, odorless, tasteless, non-toxic, non-moisture absorption, non-corrosive. According to the results of two consecutive experiments since the late 1990s, the rate of yield increase of rice with silicon and calcium fertilizers in hybrid rice was 100% and 9.2 ~ 18.5% respectively, especially in fields with less paddy field .