How much fertilization does an acre of peanuts need? Peanut high yield fertilization technology
Peanut is a common crop in rural areas. Don't look at it is very common, it is rich in rich nutritional value. Today, Xiaobian wants to talk about when peanuts are generally fertilized. What is the high yield of fertilizer? What is the growth rule of fertilizer? The peanuts are legumes, have rhizobium, can produce nitrogen fertilizer, so there is no need to apply nitrogen fertilizer. Phosphorus and potassium fertilizers can increase production. So how do you manage the peanut field? Let's take a look at the peanut field water and fertilizer recommendations.
1. Stand on the drought and pour the key water.
The initial flower-podding period is the period when peanuts require the most water, and drought has a great impact on yield. Late drought will accelerate the shedding of the leaves, leading to premature aging. It is necessary to pay close attention to the weather changes, and in case of drought, water in time.
Generally, when the peanut leaves begin to turn white and wilting at noon, they should be watered. In order to promote the flowering of the needle, ensure the number of effective flowers and fruits (needle), promote the expansion of the pod, and lay the foundation for full fruit. Watering after the pod-forming period, to avoid the high temperature time of strong sunlight in the noon, should be watered before 10 o'clock in the morning or after 3 o'clock in the afternoon to avoid causing rotten needles and rotten fruit. It is forbidden to flood the water.
2. Drain in time to avoid damage.
Peanuts are in the rainy season and are prone to disasters. Therefore, all localities must clear the dredging ditches and dig trenches as soon as possible. In case of rainy weather, it should be drained in time to prevent rotten fruit from rot.
3. Promote water-saving irrigation technology and promote economical and efficient irrigation.
The coated peanuts can be intermittently irrigated. The exposed peanuts can be irrigated with water, which can reduce deep water leakage and soil evaporation, improve soil permeability, and promote deep rooting, which has the advantages of water saving and yield increase. In addition, the use of drip irrigation can achieve better water-saving and yield-increasing effects.
I am the main propulsion irrigation method for watering, which not only can save water more, but also can be more evenly watered.
First, when does peanuts generally fertilize? What fertilizer yield is high?
Peanut topdressing should be based on soil fertility, base fertilizer application and peanut growth.
Peanuts lacked boron, less fruit, and more shells and no kernels; peanut zinc deficiency lobular yellowing; less molybdenum peanut nodule, affecting the demand for nitrogen and affecting yield. At the same time, we must overcome the habit of using nitrogen alone. Peanuts need more nitrogen. They do not need more nitrogen in the soil. Instead, they use nitrogen to fix the air in the roots. How to promote multi-nodules in peanuts can achieve high yield. Therefore, it is not unreasonable to say that the farmer’s “Peanuts are short of manureâ€.
This requires us to apply fertilizer to the peanuts without applying too much nitrogen fertilizer. At the same time, we must apply a large amount of organic fertilizer, medium and trace element fertilizer, phosphorus, potassium and various active bacterial fertilizers to create a "loose, soft, fat, and peanut growth. Living high-yield soil. In order to meet the needs of high-yield and high-quality peanuts.
Positive organic microencapsulated pure fertilizer, collecting nitrogen, phosphorus and potassium inorganic fertilizer, humic acid organic fertilizer, medium and trace element fertilizer, multi-functional compound microbial fertilizer in one body, four effects in one, intelligent regulation, sustained release and long-term effect, promotion Peanuts are more nodules, less sick, especially for peanut root rot, crown rot, chalk disease, focal spot disease and other pathogenic bacteria, and also have a good killing effect on underground pests such as nematodes.
Second, what is the law of the growth of peanuts?
Peanuts are crops that contain more oil and protein. Normal growth and development requires nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, zinc, copper, iron, manganese and other elements, which require the most nitrogen, and peanuts have nitrogen fixation, but the root nodule can not fix nitrogen before formation. Nitrogen fertilizer should be supplied at the seedling stage to promote seedling growth. Phosphate fertilizer can promote the ripening of peanuts, fullness of seeds and increase the rate of pod formation.
The absorption of potassium fertilizer is very large, and potassium promotes the growth of stems, husks and nuts. In the soil with poor fertilizer conservation, the effect of increasing potassium fertilizer is obvious. Other elements may be used in a targeted manner depending on the availability of soil nutrients.
Peanuts have a strong ability to absorb fertilizer. In addition to roots, fruit needles, young fruits and leaves also directly absorb nutrients. The amount of nutrients required for different growth stages of peanuts is small. The amount of nutrients required for seedling stage is small. The absorption of NPK only accounts for about 5% of total absorption. The amount of nutrients absorbed during flowering increases sharply, and the absorption of nitrogen accounts for absorption. 17% of the total, 22.6% of phosphorus, and 22.3% of potassium;
The pod-forming period is the most vigorous period of peanut vegetative growth and reproductive growth. There are a large number of pods, which is also the period of absorption of nutrients. The absorption of nitrogen accounts for 42% of total absorption, 46% of phosphorus and 60% of potassium. The ability to absorb nutrients in the ripening period is gradually weakened. The absorption of nitrogen accounts for 28% of the total amount of life, 22% of phosphorus, and 7% of potassium. Peanut is sensitive to trace elements such as boron, molybdenum and iron, and contains more calcium carbonate. Iron deficiency and yellow flowering are more likely to occur on soils with higher pH.
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