In planting vegetables, there are often dead tree phenomenon, increase soil permeability to prevent vegetables dead trees, must do the following:
One is to deepen the soil. Before the vegetable is planted, it is necessary to deep-deep the soil, it is best to use a shovel to deepen 30 cm deep, and then use a rotary tiller to thin. This soil is not only breathable and permeable, but also conducive to deep rooting.
The second is to increase organic fertilizer. The lack of soil organic matter and excessive use of chemical fertilizers often result in soil compaction and poor air permeability. Therefore, increasing organic fertilizer is an important measure to increase soil permeability and change soil properties. It can apply 15 to 25 cubic meters of chicken manure per acre based on the crop.
The third is to change cultivation methods. Changing the cultivation method can also improve the permeability of the soil. For example, ridge cultivation can be carried out in a furrow by watering, so the ridge surface has good air permeability and obvious temperature increase. The ditch planted vegetable root soil is often poured into the water, the permeability is poor, and it easily causes roots. Therefore, ridge cultivation is advocated in vegetable cultivation. Conditional drip irrigation water is better.
Fourth, pay attention to the use of biological bacterial fertilizer. After being applied to the soil, the biological bacteria in the biological fertilizer will multiply in the soil and play the role of activating and loosening the soil, which has a significant promoting effect on improving the soil structure and increasing the permeability of the soil. Can apply 150-200 kilograms of biofertilizer per acre, or 25-30 kilograms per acre per acre.
The fifth is reasonable watering. Vegetables usually watering must pay attention to the amount of watering should not be too large, should not flood irrigation, the best conditions for the use of micro-irrigation. After watering, when the soil is dry and wet, pay attention to timely cultivating loose soil, so that the air permeability of the soil will be good.
Amino acids are carboxylic acids containing amino groups. Amino acids are the building blocks of protein for animal nutrition. Proteins in living things are made up of 20 basic amino acids.
Amino acids in human body through metabolism can play the following roles: (1) synthesis of tissue protein; (2) into acids, hormones, antibodies,
creatine and other ammonia containing substances; (3) to carbohydrates and
fat; (4) oxidation into carbon dioxide and water and urea, produce
energy.
Alanine for the synthesis of Alitame, intermediate amino acid Serine, nonessential amino acid Arginine
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