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红薯是营养价值较高的高产作物,近年来种植面积在我区不断增加,现就栽培和管理技术介绍如下: 一、土地选择:红薯适宜土壤疏松,排水良好,富含有机质的砂质壤土。盐碱地上不宜种植。 二,扦插:当大田地温稳定在摄氏十八度时,即可开始扦插。扦插时应注意:(1)选用应具备茎蔓粗而较硬,节间短而节数多,叶片厚大而颜色深绿,节间无不定根,无病虫害的健枝。(2)秧苗随取随插,防止在阳光下暴晒,在运输过程中用湿布盖好。 三、灌水:扦插后应立即浇水,使土壤和插枝紧密结合以利于成活,待幼苗生根后可每隔十五至二十天烧一水。
Sweet potato is a high-yielding crop with high nutritional value. In recent years, planting area has been continuously increasing in our region. Now the cultivation and management techniques are introduced as follows: First, land selection: Sweet potato is suitable for loose loamy, well-drained sandy loam rich in organic matter. Saline should not be planted on the ground. Second, cuttings: When the field temperature stable at 18 degrees Celsius, you can start cutting. Cuttings should pay attention to: (1) the selection should be thick and hard stems, stems short sections and more, thick leaves and dark green color, no indefinite internodes, no pests and diseases Jianzhi. (2) Take the plug with seedlings to prevent exposure in the sun, covered with a damp cloth during transport. Third, irrigation: Watering immediately after cutting, so that soil and cuttings in close cooperation in order to survive, until the seedling rooting every 15 to 20 days after burning a water.