Okra can be planted all year round, and summer is its peak season. Okra is a kind of thermophilic plant that is heat-resistant, drought-tolerant and moisture-resistant, but not resistant to sputum and frost-resistant. Because its root system is developed, it is not necessary to irrigate frequently.
First, sowing seedlings
Directly broadcasted, soaked in 20-25 ° C warm water for 12 hours before sowing, then wiped dry, germination for 48 hours at 25-30 ° C, when half of the seeds are white, you can sow, row by 70 cm, plant spacing 40 cm First, pour the bottom of the water, soak 2-3 capsules per hole, cover the soil 2-3 cm, plant about 6000 holes per acre.
Second, field management
1. When the seedling breaks the heart, it is the first time between the seedlings and the weak seedlings. The second time seedlings in 2-3 true leaves, choose to stay strong seedlings. When 3-4 pieces of true leaves are fixed, one seed is left per hole.
2, cultivating weeding and soil cultivation After the seedlings are unearthed or planted, the temperature is low, and should be continuously cultivated twice, to improve the ground temperature and promote slow seedlings.
3, watering and fertilizing
(1) Watering Okra requires high air and soil moisture during growth. It is advisable to spray artificially in the morning and evening when there is water shortage within 20 days after sowing. After the seedlings are slightly larger, they can be mechanically sprinkled or furrowed. The summer season should be watered before 9:00 in the morning and after the sunset in the afternoon to avoid watering the roots under high temperature.
(2) Topdressing On the basis of planting the base fertilizer, it should be properly topdressed, and nitrogen fertilizer should not be applied.
4, plant adjustment Okra under normal conditions, plant growth is strong, the main side branches are thick, the leaves are hypertrophy, often the flowering results are delayed. Twisting method can be adopted, that is, the petiole is twisted into a curved sagging to control vegetative growth. In the middle and late stages of fertility, the old leaves of each section below the harvested tender fruit are removed in time. The tender harvesting of the tender fruit can promote the collateral results and improve the early yield.
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