Planting method and time of water chestnut

Water chestnut is the underground fruit of herbaceous plant water chestnut, which has certain use value. It is planted in the south, mainly in the Yangtze River basin. Water chestnut also has a certain medicinal value. Planting water chestnut should be carried out in water. The time and method of planting water chestnut is the key point of water chestnut. Let's play together now.

1. Planting time

Planting is generally carried out before and after the Qingming Festival, but the specific time depends on the time when the water temperature is stable above 12 degrees. The weather is different every year, sometimes the temperature reaches before Qingming Festival, but sometimes the temperature is still very low. But some varieties are precocious and do not have to be planted so early. But late-maturing varieties can be cultivated early.

2. Seed selection and planting

Select high-quality varieties, choose early, medium and late varieties for cultivation, can be listed in batches, but also can leave seeds. Direct seeding, planting in the river pond, keep the water depth 3 cm, plant the water chestnut bud, and spread it evenly. Clean up the pond before sowing. Generally grow 20 jin of water chestnut per mu. The depth of water can be raised and planted. Raise seedlings with 120 jin of seeds per mu, can transplant five mu of water surface, raise seedlings and transplant two.

3. Cultivation and management

Four thousand jin of livestock fertilizer is used as base fertilizer per mu. After germination, 10 jin of urea topdressing was used per mu, and 2% potassium dihydrogen phosphate was sprayed several times after flowering. To prevent aphids, use an 800-fold spray of 90% crystal trichlorfon. Spray more than once a week. The main disease is rhombus plague, using 5% Jingangmycin 400g 50kg spray with water. Remove weeds and some aquatic plants at any time.

4. Environmental requirements

Planted in wet mud in temperate zone, it is suitable for changing flow fields in ponds, swamps and rivers. Like a warm environment, not suitable for growing in a cold environment, the most suitable temperature for growth is 25 degrees to 36 degrees, the general summer water temperature will be a little lower. Planting water depth, sowing is 3 cm, gradually increase after emergence, after growing up to maintain about 0.6 meters.

Water chestnut planting time and specific methods, management content have made the above introduction, I hope it can be used by everyone, have some help. You can refer to it.