一、选地选择土层厚度在25公分以上,水利排灌条件良好并富含有机物质、PH值在5.5～7之间的砂壤土和壤土种植,不要与茄科作物连作,严禁在上季使用过持效除草剂(如阿特拉津)的土地上种植。二、整地播种前垄作田块及平作田块分别施入1000千克和2000千克(总施肥量的一半)厩肥。将土壤深耕细耙,使土层细碎松软,播种前保证土壤的墒情良 First, choose to choose the thickness of the soil above 25 cm, irrigation and drainage conditions are good and rich in organic matter, PH value of 5.5 to 7 in the sandy loam and loam planting, not with the Solanaceae crop continuous production is prohibited in the previous season The effect of herbicides (such as Atrazine) on the land planted. Second, land preparation before sowing plots and fields for flat land into the 1000 kg and 2000 kg (the total amount of fertilizer) manure. The soil will be harrowed and harrowed so that the soil is fine and soft, and soil moisture is guaranteed before sowing