Brass beans like warmth, but not hot frosts. Dwarf kidney beans are slightly more tolerant of low temperatures than trailing beans. The suitable temperature for sprouting kidney beans is 21-25 degrees. Seeds do not germinate easily or will germinate if it is below 10 degrees cold or above 40 degrees hot.
Time to plant kidney beans
The suitable cultivation season for kidney beans is the average monthly temperature of 10-24 degrees Celsius, and the optimal temperature is around 20 degrees Celsius. In the north and south of China, kidney beans can be planted in the open ground in the spring and fall, mainly sown in the spring. Summer sowing of kidney beans can only be planted in a few frost-free periods, the summer is cooler, can be planted in alpine areas
Brue bean planting methods and points
1. Before planting kidney beans, it is best to choose sunny, convenient drainage, away from the water table, air circulation, general fertility, deep soil, more organic matter, acidic soil. The base fertilizer must be fully applied, an acre of farmyard manure 1510 pounds to 2010 pounds. 2. If you plant large white kidney beans, sow them on the same piece of land. It is best to plant corn or potatoes in the ground before. Kidney beans should be planted between April 21st and May 6th. It is best to plant them in a wet field, which will retain water better. The depth should be 11-16 centimeters and then covered with about 5 centimeters of soil.3. Seedlings should be sown after the rain and covered with a layer of film on top. The soil is required to be level and fine. Ten days after sowing, when the seedlings are half out of the soil, you can uncover the film and pull the seedlings out of the film. If you find dead seedlings or ponds, you can replant kidney bean seedlings in time, and you should water the roots in time after replanting.4. Field management sowing interval: basically determined when the seedlings grow three true leaves. Before pruning: should be carried out in a timely manner to plant stems, starter, ridge, weeding, so that the inter-plant ventilation is better, the pods are fuller and the quality of the pods is improved. Timely erection: when the seedling height is 31cm, a bracket should be inserted next to the seedling, a pole should be placed on the lead vine, and a bracket should be inserted next to the pond, with a length of more than 2.1m.4. Disease and Pest ControlDisease Control: During the growing period, kidney beans are prone to leaf disease, anthracnose and powdery mildew. Once found, it can be controlled by using stone sulfur mixture. Pest control: During the growing period, kidney beans are susceptible to pests such as stem borers, leaf rollers, gray beetles and ground tigers. In case of ground tigers, they can be killed manually; in case of other pests, appropriate chemicals can be used to kill them.