How to grow alfalfa?

Alfalfa is widely planted as fodder and forage in Eurasia and countries around the world. Alfalfa stems and leaves are tender and delicious, no matter green feeding, processing grass meal, used for compound feed or mixed feed, all kinds of livestock and poultry like to eat most, and it is also the first choice for pig and poultry industry. So, how should alfalfa be planted?

I. planting techniques of alfalfa

1. Planting time: alfalfa can be planted in spring, summer and autumn, weeding should be paid attention to in spring sowing, high temperature burns should be paid attention to in summer, it is generally appropriate to plant in autumn, and the specific planting time should be determined according to the local climate.

two。 Seed treatment: the seeds should be cleaned and dried so that the cleanliness of the seeds can reach 90%. When the conditions are right, the qualified seeds can be inoculated with alfalfa rhizobia, and if they do not have the relevant conditions, they can be sown directly.

3. Soil preparation before sowing: 50 kg calcium superphosphate per mu was applied as base fertilizer, deep ploughing was carried out after fertilization, weeds were removed, and sowing was carried out after rake grinding.

4. Sowing method: spring sowing and autumn sowing of alfalfa should take advantage of soil moisture to sow in time, and precision sowing is the best. Rake and grind in time after sowing to help preserve soil moisture.

5. Field management: weeding and pest control should be carried out in time after alfalfa emergence. Common diseases include mildew and frost, embroidery, powdery mildew and so on. Irrigation should be carried out in time during drought, but it should not cause stagnant water.

6. Timely harvest: harvest at the early flowering stage, that is, 50% flowering, when the grass is the most nutritious, the yield of stems and leaves is high and easy to digest, and 4-6 crops can be harvested every year. After harvest, alfalfa was exposed to the sun to reduce water content storage.

The above are the main points for attention in the cultivation of alfalfa. When planting alfalfa, we must consider the specific local climate, flood and drought conditions, so as to plant, can not be generalized.