农作物生长激素──环烷酸钠是从石油副产物中提取的,又称石油助长剂。国外早已应用于农业生产,我国广东、山东、辽宁、河北、上海等省、市曾推广应用。我省新邵县牦搪公社下江大队,1974-1977年在小麦、马铃薯、水稻等作物上应用,面积共133亩,都获得显著增产。 从大面积调查结? Crop Growth Hormone - Sodium Naphthenate is extracted from petroleum by-products, also known as petroleum boosters. Foreign countries have long been used in agricultural production, Guangdong, Shandong, Liaoning, Hebei, Shanghai and other provinces and cities have been promoting the application. The Xiashao Brigade of Xiumiu Commune in Xinshao County of our province was applied to crops such as wheat, potato and rice in 1974-1977 with a total area of ​​133 mu and significant increase in output. From a large area survey?