高分子物质吸附性强、耐水性持久，已被众多化工企业看作是进入２１世纪最有发展前途的农用新材料之一。从１９９４年起，日本花王化学公司开始研制适合农作物生长和增强自身抗逆机能的粘着剂。最近，新开发的农作物缺钙防止剂和抗逆诱导剂，一经投入市场，立即获得广大农... Macromolecule material has strong adsorptivity and durable water resistance, which has been regarded by many chemical companies as one of the most promising agricultural materials entering the 21st century. Since 1994, Kao Chemical Co., Ltd. of Japan has started to develop adhesives suitable for the growth of crops and enhancement of self-resistance. Recently, newly developed crop calcium deficiency preventatives and anti-infective inducers, once put on the market, immediately get the majority of farmers ...