磷酸二氢钾(KH_2PO_4)含磷钾二元素,是一种速效磷钾复合化肥。我县罗北公社安利大队渠勒一队和县农科所等单位,于1975年(早稻、晚稻)和1976年(早稻)用我厂生产的磷酸二氢钾进行喷施试验,共22个小区,10.43亩,收后进行产量验收和室内考种。试验田是在大田中设置小区,有的重复六次,有的重复三次或一次,各试验 Potassium dihydrogen phosphate (KH_2PO_4) contains phosphorus and potassium two elements, is a quick-acting phosphorus and potassium compound fertilizer. Our county Luobei commune Amway brigade canal Le team and the county agricultural science and other units, in 1975 (early rice, late rice) and 1976 (early rice) with my factory production of potassium dihydrogen phosphate spray test, a total of 22 Community, 10.43 acres, after the receipt of production acceptance and indoor test species. Experimental field is to set up a plot in the field, and some repeated six times, and some repeated three times or once, each test