There is only about 65 days for the growth of black potatoes after the seedlings are planted(200 cell propagation trays wholesale). According to the weather, soil moisture, and plant growth, fertilize as appropriate after flowering, and water the plants in small water to promote potato attack and control the potato to achieve coordinated growth(8 cell trays bulk). It is necessary to prevent premature plant senescence and control stem and leaf extension in the later stage.
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The field management should highlight the word "early". Selected seed potatoes, 20-30 days before planting(112 cell propagation trays wholesale). Check the seedlings and replenish them. After the planting of the tiller and the weeds, maintain the soil moisture and stable ground temperature(12 cell trays bulk). Before sowing to ridge-sealing, 3-4 times of shallow middle-cultivation between membranes should be carried out to increase ground temperature, eliminate weeds between ridges, and cultivate strong seedlings in the field.
(mini plastic plant pots wholesale suppliers malaysia)The mulch should be tight. Master not drought or water(288 cell propagation trays wholesale). Foliar can be sprayed with a 0.3% potassium dihydrogen phosphate solution 2-3 times, depending on the growth of the seedlings, and topdressing 15-20 kilograms of urea per 667 square meters in combination with irrigation at the planting stage and before the plant is sealed(18 cell trays bulk). When black potato plants in the field are 15-20 cm high, spray 15 kg of 5% PP333 on 30 kg of water with good results.
Watering should be done in time to keep the soil moist(20 cell propagation trays wholesale). After the seedlings are unearthed, check the seedlings and fill them in time to remove the flower buds. The buds begin to swell during the bud period and the flowering period enters the rapid expansion period. At this time, the buds should be removed in time to reduce nutrient consumption and promote potato block development(36 cell trays bulk). Scientifically prevent plants from growing and lodging, and increase the rate of large and medium potatoes.
A soil strip is pressed laterally every 2-3m to prevent the wind from peeling off the film(24 cell propagation trays wholesale). During the budding period, the soil is kept loose, and the black potato enters the tuber expansion stage. Generally, it should be watered every 15 days. When irrigating, be careful not to allow the water to spread over the ridge back to cause soil compaction, in order to increase yield and improve quality(40 cell trays bulk). In production, we should master the principle of "promote after control".
Technical management should be timely, early tillage, early topdressing, and early watering(plant start trays wholesale). Promote roots, promote roots and promote early onset. Black potato should be properly water-controlled during the late growth period, and watering should be stopped 10 days before harvest to prevent tuber disease caused by excessive soil moisture(40 cell tray in bulk). Sex. The price per kilogram ranges from 6 yuan to 8 yuan, which is 6 to 8 times that of ordinary potatoes.(mini plastic plant pots wholesale suppliers malaysia)
Most of the stems and leaves of the potato plant turned from green to yellow and gradually withered(4 cell propagation trays wholesale). It is a sign of maturity that the stem shrinkage and detachment from the tuber are mature. At this time, it should be harvested to avoid the harm of underground pests(51 cell trays bulk). Improving commerciality and adopting field-grading packaging to effectively improve economic benefits. At present, the cultivated area of black potatoes in China is still small.
(mini plastic plant pots wholesale suppliers malaysia)Water management. Before budding, it mainly depends on soil moisture to provide plants with water(6 cell trays bulk). Avoid rainy weather when harvesting. It should be carried out in time to choose sunny days and low soil humidity, and try to avoid mechanical damage. Topdressing, under the premise of applying bottom fertilizer, after the seedlings in the field, in order to promote the early development of seedlings(104 cell trays bulk). Cover with 90 cm wide and 0.008 mm thick mulch.