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1.播前准备: (1)地膜:一般要求每亩地准备0.007毫米地膜4.3公斤,0.008毫米地膜5公斤。 (2)选用优良适宜品种及种子处理:品种选用1016为好,先进行发芽试验、然后晒种2～3天,最后进行粒选。用甲胺磷、水、种子混合液拌种,其比例为1:50:800,并0.2～0.4%多菌灵拌种,闷4小时后即可播种。
1. Preparation before sowing: (1) Mulch: It is generally required to prepare 0.007 mm mulch 4.3 kg mu and 5 kg mulch 0.008 mm per acre. (2) selection of suitable varieties and seed treatment: selection of varieties of 1016 as well, the first germination test, and then bask for 2 to 3 days, the last particle selection. With methamidophos, water, seed mixture liquid seed dressing, the ratio of 1: 50: 800, and 0.2 ~ 0.4% carbendazim seed dressing, bored 4 hours after sowing.