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Increase production and efficiency: Generally increase production by 25% to 35% on a flat seed basis, and increase production by 15% to 25% on a film-covered cultivation basis. General efficiency of 20% to 30%.
Technical points
1. Renovate farmland, improve soil, and change crops. Hilly terraces are renovated and three ditches are provided. Deep plowing before winter, deepen the living soil. Cohesive soil pressure sand or phosphorus weathering stone, sandy soil pressure sticky silt.
2, increase organic fertilizer, organic-inorganic compound fertilizer, coated slow-controlled release fertilizer, fertility and fertility, to extend the period of fertilizer efficiency, fertilizer efficiency and prevent premature aging. Medium fertile plots, Mushi organic fertilizer 3000 ~ 4000 kg, phosphorus pentoxide 6 ~ 8 kg, pure nitrogen 8 ~ 10 kg, potassium oxide 4 ~ 5 kg. When the mulch film covers and ridges, it is concentrated in a ridge.
3. Select high-yield, disease-resistant, drought-tolerant and drought-tolerant varieties and plant densely. Large varieties of peanuts such as Fenghua No. 1 and Shanhua No. 9 have a capacity of 08,000 to 0.9 million per mu, Fenghua No. 5 and Shanhua No. 7 have a total of 9,000 to 10,000 piers, and small peanut varieties include Fenghua No. 6 and Shanhua No. 8. 10,000 to 11,000 piers, 2 per pier.
4, plastic film coverage, suitable for late broadcast. Ridge height 12 to 15 cm, ridge distance 80 to 90 cm, ridge up 35 to 45 cm, hole distance 15 to 18 cm, 2 per hole. Available colorless plastic film for early broadcast, color matching film or black plastic film for late broadcast. Seed drying before shelling 2 to 3 days, graded grain selection. The conditions of good sowing or drought-resistance sowing in the Huanghuai region were postponed until the end of April to the middle and early May. No drought-resistance sowing conditions can be sown in the middle and early April.
5, comprehensive measures to prevent pests and diseases. The use of phoxim microcapsules, or chlorpyrifos granules, is equivalent to the administration of fleas at the time of sowing. Use 50% carbendazim to control blight by 0.3% of the seed amount. After the onset of leaf spot, use carbendazim or chlorothalonil and other fungicides to spray 2 or 3 times. Spraying foliar fertilizer against late-senile defoliation at the late stage of scab.
6, timely harvest dried to avoid mold, control of aflatoxin contamination.
Appropriate area: suitable for the promotion of spring sowing in the hills and dry areas in the north.
Precautions: Before the film is covered, the herbicide must be applied.
High-yield Cultivation Techniques for Peanuts in Hilly Dryland
The northern peanuts are mainly distributed in hills and dry lands. The main factors constraining the increase in yield are soil infertility, drought, low fertilizer utilization, and heavy pests and diseases. Coverage with plastic film to enhance drought resistance and fertilizer; proper late sowing adjustment of peanut growth process to adapt to climatic conditions, to avoid pests and diseases, promote the results of centralized and neat, prevent late germination and rotten fruit, improve quality; fertilizer effect backward shift to avoid late fattening premature aging, improve fertilizer Utilization rate. This technology is an important way to increase production in low-yield fields. It has been widely promoted as a high-yielding technology in Shandong Province and has won a national harvest prize for agriculture, animal husbandry and fishery.