Key potato cultivation techniques
Editor's note: As an important staple crop for both staple foods and vegetables, the potato has a high nutritional value and is popular with people. Therefore, to do a good job in potato production to ensure the increase in potato production has the dual significance of ensuring food security and the supply of vegetable baskets.
The following suggestions are proposed on the measures adopted in potato cultivation:
Choose fine varieties and sow whole sweet potatoes. It is advisable to use a healthy whole potato with a healthy condition of 50 grams or so. Before the sowing, pick out the diseased and rotten potatoes, and use a bactericide such as carbendazim to inoculate them. If the tubers must be cut when they are too large, they should be carried out 3-5 days before sowing. Each piece of the veggies is guaranteed to have 1-2 buds. Under the shade conditions in the house, the incision is fully healed to avoid moisture loss after sowing, and the cutter is strictly sterilized when cutting to avoid infection between diseases.
Rising after flat broadcasting. In addition to winter potato, the potato production uses the species of Starlit Pond, and its planting density is relatively thin. It is usually around 1300-1500 ponds. Under drought conditions, it is easy to cause uneven cropping and lack of seedlings. It is recommended to promote it. The cultivation of ridge cultivation will help increase the number of plants per acre. It requires 80 cm spacing, 20 cm spacing, and ditch planting to ensure planting about 4,000 plants per acre. In order to reduce the loss of moisture and to facilitate the acceptance of rainwater, the ridges are not raised when the soil is covered, and the slopes are slightly concave or flat. After emergence, 25 cm high ridges are formed by cultivating more than 2 times of cultivating soil to facilitate drainage and benefiting the tuber.
According to local conditions, the sowing date and the depth of seeding should be appropriately postponed. In order to minimize the time between sowing and rainy season and reduce the adverse effects of drought, appropriate late planting should be adopted according to local conditions and the sowing date should be delayed by about 15-20 days. When sowing, deep seeding can be used to protect the seedlings, and the ditch or beating pond is deepened compared to the normal years, and the thickness of the covering layer is preferably 10-15 cm. When sowing can also be combined with the use of water retaining agents, generally at the same time when applying base fertilizer, about 1-2 kilograms per mu.
Plastic film cover cultivation. In areas with good economic conditions and good lake conditions, or where there is water, the areas where water can be poured during planting can be covered with plastic film, which will help maintain soil moisture, ensure seedlings, and make use of crop growth. During the period of rainfall, for potato growth needs, but also can reduce the evaporation of water, increase soil temperature and humidity, reduce soil erosion and so on. Add organic fertilizer and phosphorus and potassium fertilizers. Due to the constraints of economic conditions, inputs for potato production are generally insufficient, and fertilization does not pay attention to the combined application of nitrogen, phosphorus, and potassium, and most of them apply nitrogen fertilizer. Potatoes are tuber crops and demand for potassium is high. Only meet their needs, in order to normal growth and good yield. Partial application of nitrogen fertilizer often leads to the occurrence and harm of late blight. Strengthen the management of farmland. After the emergence of the potato, the cultivator loosens the soil in time and eliminates the weeds in the field to create a soil environment suitable for the growth of the potato. When cultivating, combined agro-ecological measures such as fertilization, it is necessary to carry out soil cultivation. Generally, it is required that the soil is cultivated 2-3 times during the growth period so that the field is free. Weeds, gully, no water in the rainy season.
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