The planting time and method of the latest winter vegetables

Donghan vegetable, also known as winter amaranth, horseshoe, etc., is an annual herb with tender stems and leaves as edible parts. It is cultivated in China at a low level and also cultivated in the north, with certain medicinal value. Do you know how it was grown? Let's get to know each other.

1. Soil preparation and fertilization

Winter cold vegetables to soft stems and leaves for food, so a year to harvest many times, so to choose flat terrain, loose fertile land as planting, generally made of flat bed, in the application of sufficient base fertilizer, mainly organic fertilizer, bed width of about 1, 3 meters, in order to facilitate harvesting. Winter cold vegetables bear fertility strong, fertilizer requirements are also large, after sowing can be showered with human and animal manure as seed fertilizer.

2. Sowing seedlings

Direct seeding and seedling transplanting can be, generally 1-1.5 kg per mu, sowing method can be broadcast or hole sowing, in which broadcast with a larger amount of seed, and hole sowing with less seed. The hole sowing control plant spacing is about 25 cm, 4~5 seeds are sown in each hole, generally about 250 seeds can be used per mu, 0 or 5 kilograms of seeds are required for sowing, and 25 grams of seeds are required for seedling raising per mu. After sowing, cover a layer of shallow soil, do a good job of temperature and water regulation, after seedling emergence to timely thinning and seedlings, to a certain extent when seedlings can be planted.

3. Planting

Planting density should be determined according to the harvest requirements, different harvest requirements, planting density is also different, in order to harvest seedlings for the purpose, can be appropriately dense planting, 15 cm square is appropriate, multiple harvest tender shoots, to 25 cm square is appropriate.

4. Field management

Winter cold vegetables should be cultivated and weeded in time during their growth period to avoid competition between weeds and winter cold vegetables for growth space, nutrients and water. For young shoots harvested for many times, topdressing should be applied in time after each harvest in order to supplement a large amount of nutrients lost due to harvest. Topdressing is generally dominated by urea. Winter cold vegetable pests mainly include cutworm, Spodoptera litura and aphids, which can be controlled by poison bait or trichlorfon spray; while diseases mainly include anthracnose, root rot, etc. Anthracnose can be controlled by chlorothalonil, root rot can be controlled by carbendazim.

The above is the introduction of planting time and method of winter cold vegetables. I hope it can help you. If you want to know more about it, please pay attention to us.