Nowadays, peanuts are in the seedling stage. The fertility characteristics of this period are: the aboveground part grows slowly and the roots stretch rapidly. According to the characteristics and growth of peanut seedlings, put forward some suggestions:
1. Check the seedlings to fill the gap and timely seedlings and seedlings. Generally, 10-15 days after sowing, the seedlings are comprehensively investigated after the basic seedlings. If there is a shortage of seedlings, it is necessary to carry out germination and replanting in time, or to choose a cloudy day or a sunny day to move the seedlings to fill the gap. It is advisable to water the seed or transplant it with soil. Replanting should be early to prevent the appearance of small old seedlings and affect density. If the temperature is high during the seedling stage, it is necessary to carry out the seedlings in time (mainly referred to as mulch peanuts), otherwise it will easily cause the phenomenon of baking, which will affect the normal growth of peanuts. Seedlings are usually introduced before 8:00 in the morning and 5:00 in the evening. First, open the small holes and let the air be released. After the peanuts are refined, the seedlings should be properly introduced. Since the beginning of the planting period, it is necessary to check and extract the buried in the membrane. The side branches make it robust and developmental. It takes 2-3 times before starting the flower.
2. Scientific weeding. In order to prevent grass from growing out of the peanuts, before the emergence of the peanuts, the herbicides should be used to close the ground in time. After the peanuts are seedlings, try not to spray them, so as not to damage the young leaves of peanuts and affect the growth.
3. Moderate cultivating. Generally, it is necessary to cultivate three or four times. The common people have the saying that "the first road scrapes (shallow shovel), the second digs (deep squats), the three stalks, and the four stalks such as rust flowers (fine gongs)", in which the shallow shovel is not more than one inch. It is about two inches deep.
4. Prevent leaf spot disease in advance. From the practice of peanut production, peanut leaf spot disease has occurred after peanut seedlings, especially peanuts that are planted early. Due to the long emergence time, the temperature and ground temperature are significantly lower, root growth is blocked, and nutrient absorption is insufficient. The plant grows slowly and is highly susceptible to attack by germs, so it is necessary to prevent it early. After the peanuts are seedlings, use 800 times of pure carbendazim or 800 times of methyl thiophanate, spray once every 7 days, and spray at least 2 times. At the same time, it can be added with imidacloprid and nutrient to achieve the effect of “one spray and three defenses†for disease prevention, pest control and nutrition.
5. Appropriate amount of topdressing at the right time. Seedling stage top dressing should be carried out before the start of flowering to promote seedling hair growth and flower bud differentiation. The quantity depends on the seedlings. If the leaves are thin and light, it is best to apply fertilizer in 4-5 pieces of real leaves, 4 kg of urea, or 20 tons of dilute urine. If the leaves are wide and the leaves are dark, then Apply or discretion, apply phosphorus and potassium fertilizers to prevent excessive growth and premature closure.
In short, only strengthen the management of seedling stage, on the basis of ensuring the seedlings and seedlings, properly control the growth of the aboveground part, so that it is strong and not prosperous, and it can reach the flower buds, the stems are thick, the branches are many, the knots are dense, and the roots are developed. The formation of a large number of people, creating conditions for flowers and flowers, thus laying the foundation for high yield.
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