Planting time and method of kidney bean

The planting time of kidney bean is generally sown from February to April in spring, from May to August in summer and autumn, and can be planted in greenhouse all the year round. Site selection: select sandy loam land with loose soil and rich in organic matter. Fertilization: the method of hole application or furrow application is used to apply fertilizer, and chemical fertilizer should be applied more phosphorus and potassium fertilizer and less nitrogen fertilizer. Sowing rate: the sowing rate per mu is about 5-8 kg. Watering: less watering before flowering, no watering if it is not dry, and watering every 2-3 days from flowering to buccal formation.

I. planting time of kidney beans

1. Spring planting: generally sowing and raising seedlings from February to late March, planting from late March to late April, and harvesting from June to August.

2. Planting in summer and autumn: generally, sowing and raising seedlings are carried out from May to August, and can be harvested from early July to late October.

3. Planting in greenhouse: it can be carried out all the year round.

2. Selecting land and fertilizing

1. Site selection: it is better to plant kidney beans in sandy loam soil with flat terrain, loose soil, good drainage and irrigation conditions, rich organic matter, deep soil layer and good water and fertilizer conservation. Adzuki bean is not suitable for continuous cropping with legume crops, nor is it suitable for planting in plots with poor drainage, heavy soil viscosity and drug residues.

2. Fertilization: fertilizer can be applied by hole application or furrow application, and 2 tons of high-quality mature farm fertilizer can be applied per mu. Chemical fertilizer should apply more phosphorus and potassium fertilizer and less nitrogen fertilizer. 10 kg diammonium phosphate, 4 kg urea and 4-5 kg potassium fertilizer can be applied per mu.

Third, rational sowing

1. Sowing rate: the sowing rate is determined according to the seed size, germination rate and planting density. The sowing rate of small grain varieties is about 5 kg per mu, and that of large grain varieties is about 8 kg per mu. The large-grain and trailing varieties of maize are about 3 kg per mu.

2. Treatment of seeds: new seeds with the same color, full and uniform should be selected before sowing, and the seeds should be dried for about 1-2 days, which is beneficial to promote seed ripening and improve seed germination rate.

3. Sowing method: select sowing method according to area size, small area can be selected: ditch sowing, artificial hole sowing, artificial spot seeding, large area: precision point seeding machine sowing.

4. Sowing depth: the sowing depth is also different in different types of soil, which is about 2.5-5cm in heavy clay and 5-10cm in light loam.

5. Sowing density: the hole-row spacing of dwarf varieties is about 65-70cm, the plant spacing is about 30cm, each hole can sow about 4-5 seeds, about 12000-15000 plants per mu, the interrow spacing of trailing varieties is about 65-70cm, the plant spacing is about 40cm, about 3-4 seeds per hole, and about 8000-10000 plants per mu.

IV. Post-management

1. Intertillage weeding: it can be combined with intertillage weeding for about 2-3 times in the seedling stage.

2. Watering: a small amount of water should be watered before flowering, and there is no need for watering if it is not dry. It is necessary to increase the amount of water from flowering to cheek formation, once every 2-3 days, and to increase watering times when the summer temperature is high. If it is rainy, the accumulated water in the field must be drained in time.

2. Topdressing: sufficient base fertilizer is applied before planting, no topdressing is needed in the seedling stage, and about 10-15 kg of phosphorus, nitrogen and potassium compound fertilizer can be applied per mu at the early flowering stage.

V. Prevention and control of diseases and insect pests

1. Blight: soak the bean seeds before sowing, then dry them, and mix 70% chlorpromazine and bean seeds evenly according to a certain proportion.

2. Bean aphid: 10% imidacloprid 2000 times solution was used for control.

3. Whitefly: spray 1000-1500 times solution to control whitefly.

4. Rust: use 50% verapamil 800-1000 times liquid for control, spray every other week.

5. Anthrax: control with 800 times of 70% thiophanate-methyl, sprayed every other week.