论文部分内容阅读
一、冬茬甘蓝生产的重点技术措施1、育苗(1)品种:选用精选8398或春甘45。(2)育苗设施:小拱棚育苗,上面覆盖旧薄膜,必要时加盖苇帘或玉米秸来覆盖遮荫,起到防雨、降温的作用。(3)床土配置及消毒:选用近两年未种植过十字花科蔬菜的肥沃园土与充分腐熟的过筛厩肥按3:1份混合,并按每立方米加入N:P:K为15:15:15的三元复合肥1千克,为了预防猝倒病、立枯病等苗期病害的发生,用50%多菌灵可湿性粉剂或25%的甲霜灵可湿性粉剂与70%代森锰锌可湿性粉剂按9:1的比例混合,按每立方米用药80-100克,混合均匀,将床土铺入苗床,厚度约10厘米,留出少量配置好的床土覆盖种子用。
First, the main technical measures of winter stubble cabbage production 1, nursery (1) Variety: selection of selected 8398 or spring 45. (2) nursery facilities: small shed nursery, covering the old film above, if necessary, covered with reed curtain or corn stalks to cover the shade, play a rain, cooling effect. (3) bed soil configuration and disinfection: Select the past two years without planting cruciferous fertile garden soil and fully matured sifting manure 3: 1 by mixing, and according to each cubic meter by adding N: P: K is 15:15:15 ternary compound fertilizer 1 kg, in order to prevent damping-off disease, blight and other seedling diseases, with 50% carbendazim WP or 25% metalaxyl wettable powder and 70 % Mancozeb wettable powder by 9: 1 ratio of mixing, according to 80-100 grams per cubic meter of medication, mix well, the bed soil into the seedbed, the thickness of about 10 cm, leaving a small amount of configuration bed soil cover Seeds used.