A crop of flowers, relying solely on fertilizers. Fertilizer contains various nutrients necessary for cotton plants. These nutrients not only improve the performance of photosynthesis, increase the efficiency of photosynthesis, but also participate in the synthesis of plant tissues. Under normal natural conditions, the cotton plant's demand for nutrients is always in starvation. With the increase of nutrients, the absorption of nutrients by cotton plants will increase accordingly. At present, China's annual input of chemical fertilizer accounts for about half of the agricultural investment. Annual chemical fertilizer consumption is more than 40 million tons. Farmers spend as much as 150 billion yuan each year on chemical fertilizers, and the utilization rate of fertilizer nutrients is only about 35%. The annual effective fertilizer composition is The economic losses caused by the loss amounted to more than 100 billion yuan. At the same time, the loss of chemical fertilizers will also bring about environmental deterioration and an astonishing waste of resources. In response to this problem, the State Council issued the "Notice on the Key Work for the Construction of a Conservation-Oriented Society in the Near Future" and listed the "Promotion of fertilizer-saving and fertilizer-saving techniques, and increase the utilization of chemical fertilizers and pesticides" as a key work item, and researched and developed environmental-friendly fertilizers. Technology is imminent. The cationic active agent “Zhuangtinglingâ€, which has been successfully developed by Huaibi Plant Protection Plant in Gaoxin District of Shaanxi Province, has absorbed a large amount of carbon (C), hydrogen (H), and oxygen (O) essential nutrients from the soil. Elements; Nitrogen (N), Phosphorus (P), Potassium (K), Middle Elements; Calcium (Ca), Magnesium (Mg), Silicon (Si), Sulfur (S), Trace Elements; Iron (Fe), Copper (Cu), zinc (Zn), manganese (Mn), molybdenum (Mo), chlorine (C丨), boron (B) utilization increased from 35% to about 85% to 95%, and has a long-term, stable fertilizer effect. Reduce the amount and frequency of fertilization, effectively avoid the loss of nitrogen, nitrogen and potassium, phosphorus and potassium fixation and other losses and waste, and thus have the advantages of reducing environmental pollution and saving energy.
Each nutrient element has a special physiological function during the growth of the cotton plant. This function is generally irreplaceable. Cotton plants mainly absorb mineral elements through the root system. Mineral elements can only be absorbed by cotton plants when they are dissolved in water. Water directly affects the absorption and transport of mineral elements, but the two are not directly proportional to each other and each has its own independence. The amount of salt ions absorbed by the root is not proportional to the ions in the solution. Even the anions and cations of the same salt enter the cotton plant body in different proportions, so that the composition and pH of the nutrient solution gradually change. If cotton plants contain single-salt nutrient solutions, they cannot grow. They are called mono-salt poisons. If a small amount of other salts is added to them, the single-salt poisoning can be eliminated. Like all organisms, cotton plants also need "food" to meet their growth, development and reproduction. However, the special function of a cotton plant is that it can synthesize organic substances from inorganic elements, water, carbon dioxide, etc. and with the help of solar energy to build their own organic organisms. A sufficiently reasonable supply of water is not a direct source of energy, but rather photosynthesis. Provide material protection. Photosynthesis does not have a good material basis, nor can it produce more photosynthetic products and achieve high yields. Photosynthesis and absorption of cotton plants are mutually reinforcing. According to the different nutrient and nutrient requirements that each plant absorbs in the soil, there are sixteen kinds of nutrient elements needed for the growth of crops, and agricultural scientists have summarized this interrelationship between the essential nutrient elements of plants and fertilizers as plant fertilizers. The three laws.
1. The "Equal Importance Law" means that a large number of elements (nitrogen, phosphorus, and potassium) are as important as trace elements (calcium, magnesium, sulfur, iron, iron, copper, manganese, silicon, boron, molybdenum, etc.) and are indispensable.
2, "irreplaceable law", the role of all kinds of essential nutrients is not the same, the elements can not be replaced with each other, need, lack of what elements make up what elements.
3. The “Minimum Nutrient Law†must ensure that crops grow normally and produce high yields. All the nutrients they need must be met. If one of them fails to meet the required quantity, the output will be affected and the output will be affected by this minimum. Restricted by nutrients. The physiologically active substance of the main ingredient of "Mentin Cotton". The substance is mixed with chemical fertilizers to absorb volatile nitrogen, thus inhibiting the slow release of N fertilizer volatilization, increasing the utilization rate of nitrogen fertilizer, increasing the yield of crops, increasing the resistance of crops to diseases and insect pests, and improving soil biological activity. Prevent soil surface crusts, improve soil structure, improve soil permeability and other functions, no pollution.
The absorption capacity of cotton plants is directly proportional to the weight of cotton plants and the distribution of nutrients (fertilizers, moisture, etc.) or sunlight (density) in the environment, and the environment obtains sunlight and nutrients (fertilizer, moisture, etc.) from cotton plants. The degree of hindrance is inversely proportional to the inherent characteristics of the cotton plant (roots, foliage, structure, etc.). This is the law of gravitation in the plant kingdom. The light energy transformed by plants is much more than the energy needed to maintain their own lives. Most of them use the excess energy to create new organizations and keep growing up and growing in order to obtain more sunlight in the competition. Water and fertilizer. The higher the efficiency of the conversion of light energy in cotton plants, the faster the growth, and also the stronger its aspiration. Since the ability of the cotton strain to absorb sunlight is mainly related to chlorophyll (or plant leaves), its ability to absorb nutrients such as fertilizer is mainly related to the root system. The more leaves and root systems, the cotton plants absorb sunlight, absorb nutrients and transform The energy is more, that is to say, the more roots and leaves, the stronger the absorption of the cotton plant, and the amount of plant roots and leaves is essentially proportional to the weight (or volume) of the plant, therefore, the plant's There is a positive relationship between sucking power and its weight. In general, the absorption of sunlight by plants, or the transformation of light energy by the photosynthesis of plants, is accomplished by the chlorophyll in the leaves; the absorption of various nutrients in the soil by cotton plants is achieved through the root system. Therefore, the characteristics of the plant's leaves and roots basically reflect the inherent qualities of the plant. The roots of cotton plants are well developed and the branches and leaves are lush. These well-developed roots and luxuriant foliage are appropriate to the plant's high and low structure, so the k value is large. Of course, the environment temperature is high, and the activity of the enzyme, the structure of the cells, the chloroplast, etc. will also be damaged, and the photosynthetic function of the plant will also be destroyed. Therefore, each plant has its optimum temperature, and under this temperature condition, the rate of photosynthesis of plants will reach the highest value, ie, the plant's ability to absorb sunlight and nutrients (ie, the absorption capacity) is the strongest.
The large-scale production of "Science of Cotton" symbolizes that China's use of chemical fertilizers has entered a new period of transition to promote the harmony and sustainable development between agriculture and resources, agriculture and the environment, and accelerate the building of a new socialist countryside. It is of far-reaching significance to promote food production security.
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