Premature aging of rice is premature aging, stems and leaves appear yellow after heading to maturity, resulting in poor maturity, 1000-grain weight is not high, pods increase, yield decline, quality is poor.

Causes of premature aging

The first is poor permeability, low-lying terrain, poor ventilation, and the accumulation of harmful reducing substances in the soil, such as hydrogen sulfide, lactic acid butyrate, and excessive divalent iron ions, which endanger the physiological function of the root system and reduce root activity. Black roots and even root rots occur.

Second, the quality of ploughing is not good, especially on the ground, in the corners, and in dead places. Plowing cannot be carried out year after year. Soil consolidation, hard ground, poor permeability, and poor root development. The planting density is too high, individual plants have poor fertility, nitrogen fertilizer is used too much, and phosphorus, potash and microbial fertilizers are insufficient; irrigation is irrational, long-term submergence and poor ventilation, and saline or alkaline soils or weakly fertile lands, rice root development Bad; premature withdrawal of water before harvest, and late-maturing varieties after transplanting, improper management, etc., can lead to premature aging.

Prevention of premature aging

1. Rational ploughing. The best place for autumn soil preparation is to change the physical and chemical properties of the soil, loosen the soil, enhance the permeability, and promote root development.

2. A reasonable match. A reasonable mix of early, middle and late ripening periods will not only prevent premature aging, but also give full play to the role of “doing the best and using the best”.

3. Promote root development. The development of the root system directly affects the growth and yield of the plant. In the early stage of rice development, adopting reasonable shallow irrigation, increasing water temperature, draining the soil, and early cultivating topdressing and other measures can increase soil permeability and promote the occurrence of new roots. In the later stages, dry and wet irrigation methods are used to regulate temperature. The contradiction between water and gas can prevent premature aging and promote maturity.

4. Improve the soil. The first is to use the soil to improve the low-lying land, strengthen and create infiltration conditions, enhance permeability, the second is to increase organic fertilizer, increase soil organic matter content, play a role in mantle and ventilation.

5. Reasonable fertilization. Base fertilizer is mainly organic fertilizer, but also to give enough; top-dressing eat less meals, mainly for good tiller, panicle and granular fertilizer, to meet the needs of rice in different growth periods of nutrients to prevent defermentation and prevent premature aging.

Keeping chickens as the name suggests is a chicken that feeds in the woodland. Woodland free-range chicken get enough exercise, not only can make chicken more healthy growth, and to make them more delicious meat, true to the original ecological chicken, its nutritional value is far from can feed the chicken farms.

Nowadays, it is said that "no chicken is not a feast", so it can be seen that "chicken" plays an important role in people's diet. Over the years, people have grown tired of the chicken feed of chicken and chicken, and the pursuit of good taste, rich game, high nutritional value, and unpolluted woodland scattered chickens. And there's a trick to picking a chicken.

The chicken is similar to the wild chicken, its plumage is bright, the chicken claw is rough and hard. Woodland disperses chicken skin thin, compact, pore fine, is arranged in a network. Common chicken skin is thinner, hair is thinner, but less than woodland disperses chicken. The quick type of chicken is thicker, flabby, and the pores are thicker. The most important characteristic of woodland dispersants is the distribution of subcutaneous fat, while the skin of the rapid type chicken is more clean and white. In the woodland, the chicken broth is transparent and clarified, the fat is reunite on the surface of the soup, and it has the aroma, while the fast chicken is turbid and the surface fat is less.

The chicken is free-range, so the drinking water is the water of the nearby mountain spring, the food is the various plants and insects around, so the nutrition value of the chicken is high. Main performance:

Than we are raising the chicken, put chicken meat more strong, fleshy structure and nutrition ratio more reasonable, free-range chicken contains rich protein, trace elements and a variety of nutrients, fat content is low, have important value for our human body health, is our Chinese people prefer meat products, belong to high protein meat.

Chickens contains rich amino acids, amino acids for human body has a very important role, he is to make up our human body protein and related to the life activities of the most basic material, is in the biological constitute the basic unit of protein molecules in the body, is our basic material life, there is a close relationship to human life activities. It is an indispensable nutrient in our body. These nutrients in chicken feed are of great importance to the growth and development of our bodies.

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