The latest planting time of peanuts

Peanut is a kind of nut which is rich in production and widely eaten in China, also known as peanut, evergreen fruit, muddy bean, adzuki bean, etc., is an annual herb of the genus Peanut of Rosaceae, and its producing area is mainly distributed in Brazil, China, Egypt and other places. It is suitable to be planted in sandy soil areas with warm climate and moderate rainfall, and the growing season is longer. Let's take a look at the planting time of peanuts.

Planting time of peanut

The suitable sowing time for spring and autumn double cropping peanut areas in South China is from February to mid-March, the suitable sowing time for spring and summer peanut intercropping areas in the Yangtze River Basin is from March to late April, and the suitable sowing time for large peanut areas and peanut producing areas in the north is from late April to early May. When peanuts are sown, the soil temperature 10 cm deep can be sown when the soil temperature is stable above 15 degrees for 5 days. Remember that do not sow when the temperature is below 11 degrees, so as to prevent the phenomenon of rotten seeds and dead seedlings. Even if peanuts can be unearthed, peanut seedlings are not strong enough to affect yield. Summer peanut planting areas can choose interplanting, sowing in advance to increase yield.

Sowing method of Peanut

1. Sowing method: according to the cultivation method, peanut sowing method is divided into manual sowing and mechanical sowing according to the operation mode.

2. Sowing density: the planting density of peanut is determined by plant height, fruiting range and leaf area, and the suitable planting density depends on climate characteristics, soil fertility, selection of varieties and cultivation conditions.

3. Sowing depth: in general, it is appropriate to sow peanuts at about 5 cm. It is necessary to grasp the principle of "dry is not deep, wet is not shallow" and the soil should be shallow, sandy land or sandy land should be deep. The deepest cultivation in open field should not exceed 7 cm, and the shallowest should not be less than 3 cm.

4. Post-sowing suppression: post-sowing suppression is a successful experience of drought-resistant sowing of peanut to ensure the whole seedling. Suppression can not only reduce soil water evaporation, but also make seeds in close contact with soil, promote the rise of soil moisture and prevent seeds from drying. It is easy for seeds to germinate and emerge.

Planting techniques of Peanut

1. Leveling the land: peanuts are cash crops that blossom on the ground, form fruit needles and drill into the ground to bear fruit. Suitable for planting on loose sandy soil and oil sandy soil. The plots for growing peanuts should be deeply ploughed, and 3040 tons of high-quality farm manure should be applied per hectare combined with ploughing, and suppressed once and twice. Where there are conditions, water can be irrigated first, and then agricultural fertilizer and chemical fertilizer can be mixed into ridges and furrows, ridging and suppression, so as to prepare for sowing at the right time.

2. Cultivated varieties: peanuts should have high yield, and improved varieties are the foundation. Peanut varieties suitable for planting mainly include Fuhua series varieties and Jifu series varieties (commonly known as Sijiehong). The growth period is about 110-120 days. Choose pods with large and full fruit, neat shape and no broken pods as seeds. The seeds should be dried for 1-3 days before shelling, and the seeds with pure color and neat shape should be selected for seed selection after peeling.

3. Scientific fertilization: peanuts are relatively resistant to barren, and fertilization should be based on base fertilizer, 30 tons of farm manure per hectare, phosphate fertilizer and 300 kg 400 jin of diammonium phosphate per hectare. Grow peanuts in barren land and apply 200 kg 300 jin more urea per hectare.

4. Replenishing inter-seedling seedlings: peanuts should investigate the seedling situation as soon as possible from late May to early June, and replenish seedlings as soon as possible in the fields with obvious lack of seedlings. The method of accelerating budding and sitting water seeds can be used to complete the work of interseedling and seedling fixing.

5. Qinggu squatting seedlings: when peanuts come out, dig a circle of soil around the seedlings 2 cm away with a small hand pickaxe, and then gently pick the two cotyledons out of the ground. Qinggu squatting seedlings are usually carried out three days after the first shovel.

6. Shovel in time: shovel the peanut seedlings after they are unearthed, do it three days after the shovel, shovel twice after 15-20 days, pay attention to the cultivation of the soil, do not press the seedlings, shovel three times at the end of the peak flowering period, cross the square ridges when sealing the ridges, and insert them into the soil with fruit needles. at the same time, we should pay attention to pulling weeds.

7. Reasonable topdressing: during the pod-bearing and full-fruiting period, peanuts can be foliar sprayed with fertilizers such as potassium dihydrogen phosphate (0.3%) and plant growth regulators such as Lvfeng 95 to promote grain formation.

8. Suitable harvest: when peanut leaves turn yellow and some stems and leaves wither, they can be harvested, usually in the middle of September. After harvest, it is necessary to dry and rain, promote post-ripening and improve seed maturity. Peanuts should be harvested and dried before frost.

All right, the planting time and planting techniques of peanuts are introduced here. Let's take a look at peanut pest control techniques again.