So, when is the planting time of water chestnut? When is the planting method and picking time? Let's have a look.
The sowing time of water chestnut in the middle and lower reaches of the Yangtze River is generally from late March to early April, and the harvesting of early-maturing varieties begins in early and middle July and generally ends in late September to early June.
Planting method of water chestnut 1 Selection of seedling field: the seedling field should be sheltered from the wind and sunny, with fertile soil, water depth of 10-50 cm and convenient irrigation and drainage. Before seedling raising, duckweed and Spirogyra on the water surface of the seedling farm should be cleaned, the greenhouse should be fastened in advance, and the plastic film should be covered for seedling raising and planting.
2. Sowing method: Choose a pond with shelter from the wind, shallow water level, fertile soil and convenient irrigation and drainage in the Yangtze River basin from the vernal equinox to Qingming, and sow in the square with row spacing of 1 meter. The amount of seeds used per mu is 65-90 kg, which can be used for 8-65,438+00 mu of ponds.
3. Transplanting and field planting: field planting on the day of emergence. Generally, the row spacing of water chestnut is 1.5-2m and the hole spacing is 1.5-2m. 2-3 plants are planted in each hole, the row spacing of water chestnut is 2.5-3m, the hole spacing is 2-2.5m, and 8-65438+ plants are planted in each hole.
4. Rational fertilization: Water chestnut needs relatively concentrated fertilization. Before planting, 2000 kilograms of pig manure or decomposed mud fertilizer can be applied per mu, and 5 kilograms of urea can be applied as fertilizer after germination. After flowering, it can be combined with 2-3 packs of strong yield-increasing agent or 2% potassium dihydrogen phosphate for foliar spraying.
5. Weeding in time: There are many kinds of aquatic weeds in Tang Ling, such as half bottle grass, Pteris vittata and bryophyte. It must be cultivated artificially in time, otherwise it will affect the photosynthesis of water chestnut. Generally, after transplanting, weed every 65,438+00 days until the water surface of water chestnut is sealed.
6. Timely picking: Eleocharis tuberosa ripens 20-30 days after flowering, and is harvested when the sepals fall off and the peel is not hardened when it is used as a vegetable or eaten raw, and harvested at maturity when it is eaten, processed or reserved. Early-maturing varieties are picked once every 5 days, and late-maturing varieties are picked once every 7 days.
The picking time of Eleocharis tuberosa is different in stages due to the variety maturity and use.
Water chestnut begins to mature 20-30 days after flowering.
The maturity of early-maturing varieties is from August 15 to 20, and that of late-maturing varieties is from the end of September to the beginning of October.
Early-maturing varieties are picked once every 5 days, and late-maturing varieties are picked once every 7 days. The whole harvest period is divided into 6 ~ 7 times.
When harvesting, pay attention to gently lift the water chestnut plate, pick the water chestnut, and lay it flat after harvesting to avoid damage.
The above is the water chestnut planting information provided by Bian Xiao. I hope the above information can help you.