Doujiao in different areas of planting time is not the same, even in the same area, according to the differences in planting methods, there is a difference in time. If you use double film cover, then mid-February can be sown, ground cover needs to be carried out in early to mid-March, open field sowing until April, and fall sowing then can be in June-July.

Second, the whole land fertilization

Planting beans are generally selected in the soil layer is deep, loose and fertile, high terrain, good drainage, with sandy loam or loamy soil planting is appropriate, and to be two years have not been planted legume crops. After choosing a good place, you need to apply enough nitrogen fertilizer, deep tilling and leveling, it is necessary to start a deep ditch raised beds, usually 30 cm in height and 1.5 meters wide.

Three, select the seed germination

Douceton can dry seed direct broadcasting, you can also soak the seed germination. Selection of full grains, seed coat on the glossy seeds, with 50-55 ℃ of warm water soaked 15-30 minutes, during the period of constant stirring, wait until the water temperature drops to about 30 ℃ when stopped, and then soak for 3 hours can be. In addition, you can also soak the seeds with chemicals, which can prevent the infestation of some diseases.

Four, sowing and planting

To the beans before sowing, the ground should be watered, and then put the seeds flat into the soil, usually each hole can be sown two, the spacing should be maintained at about 20 cm. Usually 8-10 days after sowing, the seedling's first pair of true leaves will unfold, and at this time you need to plant it. The planting should be done on a sunny day, and the depth of planting should be the same as the original.