1. Selection of bean seeds: For cultivation < P > We should try our best to choose fresh bean seeds that are full of particles, bright in color, free from mechanical damage and pests, and store them in a low temperature and dry environment.
2. Pre-breeding treatment: to promote seed germination, "starting treatment" and "soaking treatment" are usually adopted. The method of start-up treatment is as follows: Before the pre-selected beans are sent to the bud-breeding container, they are generally poured into hot water at 6℃ and soaked for 1-2 minutes, and then washed with cold water for 1-2 times, in order to adjust the activity of oxidase system related to the germination of bean seeds, give temperature stimulation to dormant seeds, and help the germination of bean seeds to be neat and consistent. The method of seed soaking treatment is: 1 kg of mung bean or soybean needs about 1 kg of water, and the most suitable water temperature for seed soaking of soybean particles is 2 ~ 23℃. When soaking seeds in winter, they are usually soaked in warm water, and in summer, they can be soaked directly in cold water. The soaking time of beans usually takes about 8 ~ 12 hours.
3. Germination temperature: The seeds of soybean and mung bean belong to the vegetable crop seeds that like temperature and are heat-resistant. The lowest temperature of bean seeds during germination is 1℃, the most suitable temperature is 21 ~ 27℃, and the highest temperature is 28 ~ 3℃, which should not exceed 32℃. Water is adopted to adjust the temperature during germination. For example, if the temperature is too high in summer, the bean sprouts should be watered thoroughly with cold water. A small amount of cultivation is carried out at home < P >. In winter, the cultivation container can be placed by the stove and kept warm by the stove.
4. Sprinkling water to accelerate germination: There are generally two methods of sprinkling water during germination: one is sprinkling method, which requires more water each time, and at the same time, the
in the whole container should be thoroughly drenched, and the heat of all parts of the whole container must be adjusted evenly until the water temperature flowing out is consistent with the water temperature when it is drenched. The other is to fill the whole container with water, and make the water level about 2 cm higher than the surface of bean sprouts, so that bean sprouts in the container are generally immersed in water, and then all the water is discharged or emptied. This is repeated for 1-2 times until the
temperature of each part in the container is adjusted uniformly.
5. timely harvesting: harvesting is most suitable when the bean sprouts grow and develop until the embryonic stem is fully elongated, and when the true leaves are exposed or first exposed, it is best. At this time, the embryonic stem is about 5-6 cm long, the root length is about .5-1.5 cm, the watercress is egg-yellow, the embryonic stem is milky white and bright, and the first exposed true leaves are milky yellow without lateral roots. At this time, 7 ~ 8kg of mung bean and 4 ~ 5kg of soybean can be produced per kilogram.