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一、可用于各类果树的多效素叶肥已问世果树多效素叶肥,是石家庄农校微肥研究所经多年研制而成的一种能用于各类果树叶面追肥的多元素叶肥。产品为全价营养粉制剂,无毒,无害,不含任何激素。1992年通过省、市级鉴定,1993年获国家专利。据对两年来设立的30000亩试验示范田的调查,核果、浆果、硬果类果树喷施后,可使叶面积增大1/3—1/4,叶片增厚1/4—1/5,叶绿素含量增加30—35%,增强树体的抗逆性和增加单产20—30%(投入产出比为1:300左右)。由于价格低廉,见效快,使用方法简便,受到了试验示范区广大群众的欢迎。目前巳投入批量生产,欢迎选购。
A variety of fruit trees can be used for more than one of the foliar fertilizer Has come out of the pleiotropic foliage, is Shijiazhuang Institute of Agricultural Fertilizer Institute developed over the years made of a variety of foliage can be used for top dressing of many elements Leaf fertilizer. Products for the full price of nutritional powder formulations, non-toxic, harmless, does not contain any hormones. In 1992 through provincial and municipal appraisal, in 1993 won the national patent. According to the survey of 30,000 mu experimental demonstration fields set up in the past two years, after the fruit trees of drupe, berry and hard fruit are sprayed, the leaf area can be increased by 1 / 3-1 / 4 and the leaf thickening by 1 / 4-1 / 5 , Chlorophyll content increased by 30-35%, enhance the tree’s resistance and increase the yield of 20-30% (input-output ratio of about 1: 300). Due to low prices, quick, easy to use, by the pilot demonstration area of the masses welcome. Has been put into mass production, welcome to buy.