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种植花生,要想使花生增产,必须认真抓好以下关键性的四要点。 一、喷施微肥。花生发育生长过程中,微量元素是不可缺少的物质。一般有钼、硼、锰、锌等元素。花生苗缺钼症状是叶片发育不正常,叶色变淡黄;缺硼时是叶圆变黄,严重时叶片枯死,花而不实。可于初花期分别喷施,叶面喷施钼酸铵,浓度为0.1％,亩喷施50～60公斤,硼酸溶液浓度为0.1％,每亩喷施40～50公斤。
Planting peanuts, peanuts to increase production, we must seriously grasp the following four key points. First, spray fertilizer. Peanut growth and development process, trace elements are indispensable material. Generally have molybdenum, boron, manganese, zinc and other elements. Molybdenum lack of molybdenum symptoms are abnormal leaf development, leaf color change pale yellow; lack of boron is yellow when the leaves circle, severe leaves withered, flowers and not real. Spraying at the beginning of flowering can be respectively, foliar application of ammonium molybdate, a concentration of 0.1%, spraying 50-60 kg mu, boric acid solution concentration of 0.1%, spraying 40-50 kg per acre.