High-yielding soybean-- Jindou 34

I. Biological characteristics

The growth period of "Jindou 34" soybean from spring sowing to maturity in the middle of Shanxi Province is 133-135 days, and the general year can mature around September 25. Summer sowing in the middle of Huang-Huai-Hai, the whole growth period is 112 days. In Jinzhong, spring sowing plant height is about 80 cm, branches are generally 2-3, Rain Water sufficient years can reach 3-5, main stem 17-19 nodes, compact plant type, tough and sturdy stem, strong lodging resistance. There are 50-75 pods per plant and 105-150 grains per plant. The leaves are oval, the upper leaves are smaller, and the plant has better light transmittance. Purple flowers, brown hairs, infinite podding habits. The seed coat is yellow, round, the navel is light brown, and 100 seeds weigh 18.5-20.5 grams.

2. Key points of cultivation techniques

⑴ can improve the sowing quality and ensure the whole seedling to be strong. Fine soil preparation before sowing, watering enough soil moisture, applying 1000 kg of organic fertilizer and 50 kg of phosphate fertilizer per mu.

Short-term sowing of ⑵. The seeds were sown from late April to early May in central Shanxi, generally no later than May 15.

⑶ reasonable close planting. The suitable planting density for spring sowing in central Shanxi is 8000-10000 plants per mu, and the sowing rate is 5-6 kg per mu, while in the south, the suitable planting density is 1.2-15000 plants per mu, and the sowing rate is 6.7-8 kg.

⑷ field management. Timely seedling, fixed seedling, timely ploughing and weeding, 7-10 kg chlorine fertilizer per mu combined with watering at the beginning of flowering, timely control of heart-eating insects in the first and middle of August, and timely harvest after maturity.