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Detailed Explanation of Key Techniques for Uniform Planting and High-Yield Cultivation of Soybeans

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1. Determine planting density, row spacing and plant spacing according to varietal plant-type traits, branching and other characteristics. (1) Short-stalked, early-maturing, main-stem-type varieties resistant to lodging and branching: row spacing 30-40 cm, plant spacing 8-10 cm, retained seedling density 18,000-25,000 plants. 2. Determine planting density according to soil fertility level and management level at the plant spacing. After determining the planting row spacing according to the variety, density adjustment should also be made according to soil fertility conditions and water-fertilizer management level. 3. Sufficient soil moisture and early sowing. Early sowing can significantly increase yield and increase fat content

1. Determine planting density, row spacing and plant spacing according to varietal plant-type traits, branching and other characteristics. (1) Short-stalked, early-maturing, main-stem-type varieties resistant to lodging and branching: row spacing 30-40 cm, plant spacing 8-10 cm, retained seedling density 18,000-25,000 plants.

2. Determine planting density according to soil fertility level and management level at the plant spacing. After determining the planting row spacing according to the variety, density adjustment should also be made according to soil fertility conditions and water-fertilizer management level.

3. Sufficient soil moisture and early sowing. Early sowing can significantly increase yield and increase fat content, generally sowing from June 10-20. When sowing, sow with sufficient soil moisture to lay the foundation for early-stage seedling restraint.

4. Use an adjustable precision seeder or manual dibbling.

5. Thin and finalize seedlings and fill gaps in time.

6. Density adjustment measures. (1) Insufficient density at the seedling stage. When the field emergence rate is low and density is insufficient, it can be adjusted at the seedling stage by supplementary seeds and supplementary seedlings; at the branching stage, regulate the population by increasing branch growth through fertilizer and water; at the flowering stage, promote the number of pods per plant through fertilizer and water for population regulation. (2) Density is on the high side or too high. According to the key points of uniform planting technology, excessive density generally will not occur, when density exceeds the optimal technical density. (3) Water and fertilizer at the flowering stage. Water and fertilizer at the flowering stage are key measures for increasing soybean yield. Generally, apply 5-10 kg of urea per mu as topdressing, and determine the fertilizer amount according to seedling condition. Prevent excessive topdressing from causing field closure and flower and pod drop.

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