无公害食品 叶用窝芭生产技术规程（Technical specification for production of litter for non polluted food leaves）.doc

无公害食品 叶用窝芭生产技术规程（Technical specification for production of litter for non polluted food leaves） 0m 203 g as seed germination during 0 0 0 degrees of Qing Dynasty Global 3h-4, and then wrapped with wet gauze, pay attention to ventilation, germination in 1 `-2 - H - 50 DEG thermostat, 2 - D C d- after about 3 -3 0% seeds can be sown. Dew bud after transplanting early maturing varieties of row spacing is 2 C 05 m-2 C M, the late maturing varieties of row spacing 2 C 53 M 5 C M. protected land can be properly closed. 44 field management. 441 topdressing After planting in the base fertilizer, topdressing fertilizer available. Topdressing can be divided into 3 times. After the first time after planting 5d- fertilizer, -6d A small amount of available nitrogen fertilizer topdressing; L D 2 D 50 after second times with fertilizer, nitrogen, phosphorus, potassium fertilizer is good, 6 per 67 liner topdressing 1 k- 05 - G - 2 K; G 2 D 3 d after planting apply compound fertilizer 1 k- 5 at the seedling stage can be poured dilute fecal water, no late dung water. 50 time, 0 - K. G1 g, 442. After planting watering seedlings cultivation to moisturizing. Seedlings according to weather and growth, grasp the frequency of watering, keep the soil moist. In late field sealing ridge, watering should pay attention both to ensure plant nutrient needs, and not too much. Greenhouse cultivation should control the field humidity and air humidity control the morning rain watering. Pay attention to drainage, avoid seeper. 443 weeding and weeding Timely weeding, cultivation times depending on field conditions, generally 3 times. With the combination of cultivation weeding weeding depth is generally 2. C M-4 C M, C M 2 young seedling cultivation, seedling bigger can be deep. 444 shading rain.. Summer cultivation should pay attention to the shade, rain, cooling, especially in summer. The general seedling shade cloths or non-woven fabrics can be used in the shade, can also be used in small arch shed