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于3月下旬,播前整地做1m×10m,高10cm的育苗床。灌足水,用40%五氯硝基苯粉剂和65%代森锰锌粉剂按1∶1混合,按8g/m2的用药量加细土4kg拌匀,撒于床面消毒。取层积好的种子和沙子一起均匀撒于床面上,然后用1∶1的细土和细沙子覆在种子上面。覆土0.5cm,播种量100g/m2。用槐条支拱,?
In late March, before sowing to do 1m × 10m, 10cm high nursery bed. Fill enough water with 40% pentachloronitrobenzene powder and 65% mancozeb 1: 1 mixed by 8g / m2 dose plus fine soil 4kg mix, sprinkle on the bed disinfection. Layered seeds and sand evenly spread on the bed together, and then covered with 1: 1 fine soil and fine sand on the seeds. Cover 0.5cm, sowing 100g / m2. With Huai stick arch,?