Fertilizer composition fertilizer efficiency fertilizer acid-base fertilizer form fertilizer nutrition fertilizer fertilization stage fertilizer fertilization mode fertilizer demand crop fertilizer products recommended reading fertilizer composition inorganic fertilizer what is inorganic fertilizer inorganic fertilizer is mineral fertilizer, also known as chemical fertilizer, including nitrogen, phosphorus, potassium and compound fertilizer.
What is the role of inorganic fertilizer in potash fertilizer? Potassium fertilizer can promote crop photosynthesis, promote crop fruit, improve crop cold resistance and disease resistance, thus increasing agricultural output.
Type: Industrial potash fertilizer includes potassium sulfate, potassium chloride, potassium nitrate, potassium phosphate, potassium magnesium fertilizer, potassium calcium fertilizer, etc. Other potash fertilizers include plant ash, kiln ash potash fertilizer and organic potash fertilizer.
Function of phosphate fertilizer: Reasonable application of phosphate fertilizer can increase crop yield, improve crop quality, accelerate grain tillering and promote grain fullness, increase fruit setting rate, and increase sugar content and oil content of crops.
Type: I understand that phosphate fertilizer is divided into natural phosphate fertilizer and chemical phosphate fertilizer according to its source; According to the mode of production, it is divided into wet phosphate fertilizer and thermal phosphate fertilizer; According to solubility, it can be divided into water-soluble phosphate fertilizer, weakly acidic soluble phosphate fertilizer and insoluble phosphate fertilizer.
Function of nitrogen fertilizer: It is a component of amino acids in plants, a component of protein, and a component of chlorophyll that plays a decisive role in plant photosynthesis.
Type: ammonium nitrogen fertilizer, nitrate nitrogen fertilizer, amide nitrogen fertilizer and long-acting nitrogen fertilizer.
Function of compound fertilizer: it has the advantages of high nutrient content, few by-products and good physical properties, and plays a very important role in balancing fertilization, improving fertilizer utilization rate and promoting high and stable yield of crops.
Category: monoammonium phosphate, diammonium phosphate, potassium dihydrogen phosphate, etc.
Organic fertilizer What kind of fertilizer is organic fertilizer? Organic fertilizer mainly comes from plants and/or animals, commonly known as farmyard manure, which refers to a slow-release fertilizer containing a lot of biomass, animal and plant residues, excreta, biological waste and other substances.
Organic fertilizer, agricultural waste, such as straw, soybean meal and cotton meal. Chicken manure, cattle manure, rabbit manure and other livestock manure. Distiller's grains, vinegar grains, cassava dregs, sugar dregs, furfural dregs and other industrial wastes. Household garbage such as kitchen garbage. Municipal sludge, such as river sludge and sewage sludge. The role of organic fertilizer can not only provide comprehensive nutrition for crops, but also has long fertilizer effect, which can increase and update soil organic matter, promote microbial reproduction, improve soil physical and chemical properties and biological activity, and is the main nutrient in green food production.
When sowing, in the area where the root system is concentrated (and in the soil layer that is often kept moist), the application method is combined with deep ploughing or even application of organic fertilizer to achieve the effect of mixed application of soil and fertilizer. When applying fertilizer in furrow, you can dig a furrow in the soil first, and then sow after the fertilizer is buried in the soil; Or you can dig a ditch about 5 cm away from the fruit tree and then fertilize it. Bio-fertilizer What is a fertilizer Bio-fertilizer refers to a preparation with active microorganisms produced by the culture of specific microbial strains. Non-toxic and harmless, does not pollute the environment, can increase plant nutrition or produce plant growth hormone through the activity of specific microorganisms, and promote plant growth.
Biological fertilizers are divided into bacterial fertilizers, actinomycetes fertilizers, fungal fertilizers, algae fertilizers and compound microbial fertilizers according to the types of microorganisms. According to the function characteristics, it can be divided into microbial inoculum and compound microbial fertilizer. The function of biological fertilizer The function of microbial fertilizer is a comprehensive function, which can improve soil fertility, improve soil structure, stimulate crop growth, improve crop quality, enhance plant disease (insect) resistance and stress resistance, reduce fertilizer consumption and improve fertilizer utilization rate.
How to use biological fertilizer 1 It is forbidden to share or mix with chemical fertilizers, pesticides and pesticides. 2. Soil and environmental conditions suitable for use. There are certain requirements for temperature and humidity, and it is not allowed to be used under high temperature and drought conditions. Brief introduction of fertilizer: fertilizer efficiency and quick-acting fertilizer refer to fertilizers that plants can absorb quickly and take effect quickly, such as ammonium sulfate and decomposed human feces. Types of potassium sulfate, potassium chloride, etc. The introduction of slow-release fertilizer is also called long-acting fertilizer and slow-release fertilizer. The compound or physical state of these fertilizers can be released slowly for plants to continuously absorb and utilize. Urea-formaldehyde, isobutyl biuret, butanediamine, oxamide, etc. The introduction of controlled release fertilizer is an advanced form of slow release fertilizer, which mainly controls the release of nutrients through coating technology to achieve the purpose of safety, long-term effect and high efficiency. It is suitable for mechanized production, especially to meet the need of sowing seeds and fertilizers at the same time. Sulfur coated urea, urea-formaldehyde slow-release fertilizer and other types. Introduction of fertilizer The fertilizer that reacts with acid is the acid fertilizer. There are chemical acid fertilizer and physiological acid fertilizer; Chemical acid fertilizer, such as calcium superphosphate, is called chemical acid fertilizer when it is dissolved in water. Physiologically acidic fertilizers, such as ammonium chloride, are applied to the soil and show an acidic reaction after being absorbed by crops. Ammonium chloride can be used as base fertilizer and topdressing, but not as seed fertilizer. Introduction of Alkaline Fertilizer Alkaline fertilizer is a variety of fertilizers with alkaline characteristics. Types can be divided into chemical alkaline fertilizer and physiological alkaline fertilizer, such as sodium nitrate, potassium nitrate, nitro compound fertilizer, plant ash, quicklime, etc. It is forbidden to mix with ammonium fertilizer, available phosphate fertilizer and decomposed organic fertilizer. Brief introduction of neutral fertilizer Neutral fertilizer refers to those fertilizers in which anions and cations are the main nutrients absorbed by crops, and the amount absorbed by them is basically the same, and the pH value of soil does not change after nutrients are absorbed by crops. Types of ammonium nitrate, ammonium phosphate, urea, etc. Using 5 1 Dongshi Bianxiao, we know that neutral fertilizer should not be mixed with ammonium bicarbonate, applied to the surface, used as seed fertilizer, irrigated immediately after application, mixed with alkaline fertilizer or applied at the same time. Introduction of solid fertilizer in fertilizer form: Compared with liquid fertilizer, solid fertilizer is easier to store, transport and apply. Types can be divided into granular fertilizer, powdery fertilizer and coated fertilizer. When in use, it can be directly sprinkled on the soil, buried under the soil, or dissolved in water and poured into the soil, but attention should be paid to the concentration, which is generally more than 500 times. Introduction of gas fertilizer The fertilizer in gas state at normal temperature and pressure is mainly used in greenhouses and plastic greenhouses because of its strong diffusibility. Carbon dioxide is a commonly used gas fertilizer. The application methods of fertilizer for supplementing CO2 gas include biological decomposition, combustion, electrolysis, soil chemistry and finished gas. Brief introduction of liquid fertilizer liquid fertilizer is also called fluid fertilizer, which is more easily absorbed by plants and has a fast absorption and utilization speed. Types include fertilizers in solution state and fertilizers containing solid particle suspensions, such as liquid ammonia, ammonia water, carbonized ammonia water and mixed aqueous solutions (or suspensions) containing nitrogen fertilizer, phosphorus fertilizer and potassium fertilizer (or salts). Can be used by irrigation, spraying, etc., which is more conducive to rapid absorption by plants. Fertilizer nutrient unit fertilizer refers to a fertilizer containing only one of three nutrient elements: nitrogen, phosphorus and potassium. For example, ammonium bicarbonate is a unit fertilizer containing nitrogen, calcium superphosphate is a unit fertilizer containing phosphorus, and potassium chloride is a unit fertilizer containing potassium.
Water-soluble fertilizer Multi-element fertilizer refers to a fertilizer containing at least two of the three nutrient elements of nitrogen, phosphorus and potassium. For example, nitrophosphate is a binary fertilizer containing nitrogen and phosphorus, potassium nitrate is a binary fertilizer containing nitrogen and potassium, potassium dihydrogen phosphate is a binary fertilizer containing phosphorus and potassium, and nitrophosphate is a ternary fertilizer containing nitrogen, phosphorus and potassium.
Full-price fertilizer contains all kinds of main nutrients needed by plants. Most of them are organic fertilizers, such as pig manure, manure and green manure. A few are inorganic fertilizers, such as nitrophosphate and mixed fertilizers made of nitrogen, phosphorus and potassium in a certain proportion.
Fertilizer fertilization stage base fertilizer refers to the fertilizer applied by perennial crops in combination with soil tillage before sowing or planting, at the end of growing season or at the beginning of growing season. Fertilizers used as base fertilizers are mainly organic fertilizers and fertilizers with low fluidity or slow fertilizer efficiency in soil, such as phosphate fertilizer, potash fertilizer and some trace element fertilizers.
Seed fertilizer means that when sowing or transplanting, fertilizer is applied near or mixed with seeds to supply nutrients needed for early growth of crops. Fertilizers commonly used as seed fertilizers include decomposed organic fertilizer, humic acid, amino acid solid, liquid fertilizer, microbial fertilizer and quick-acting fertilizer.
Topdressing refers to the fertilizer applied to supplement and adjust plant nutrition during plant growth. The main purpose of topdressing is to supplement the deficiency of base fertilizer and meet the nutritional needs of plants in the middle and late stage. Nitrogen, potassium and microelement fertilizer are the most common topdressing varieties.
Fertilization method foliar fertilizer foliar fertilizer is a fertilizer that directly applies nutrients needed by crops to the leaves for the purpose of leaf absorption, which is called foliar fertilizer. Foliage fertilizer is a kind of fertilizer that applies nutrients to the surface of crop leaves and exerts its function through absorption.
Flushing fertilization, also called water flushing fertilization, is a way of topdressing; In fact, it is to dissolve solid quick-acting fertilizer in water and apply fertilizer in the form of water-belt fertilizer. Water-soluble fertilizers are usually used for irrigation fertilization, mainly nitrogen fertilizer and potassium fertilizer.
Injection fertilization means that the fertilizer needed by crops is directly and forcibly injected into the tree body from the trunk, and the liquid entering the tree body is transported to the roots, branches and leaves through the continuous pressure of machines and tools, which can be directly absorbed and utilized by fruit trees and stored in xylem for a long time.
Drip irrigation fertilization drip irrigation fertilization is to transport irrigation water containing chemical fertilizers to the soil near the roots through equidistant straws and emitters at low pressure; The concentration of nutrients in the soil near the emitter is large, which can gradually spread to the soil around the root system for crops to absorb.
Root fertilization uses the principle of osmotic fertilization. Bury a bottle or plastic bag with a proper concentration of fertilizer solution at a distance of about 65438 0.0 meters from the trunk, cut off the absorption roots with a diameter of about 5 mm, put them into the bottle or plastic bag, and then bury them. The correction effect of yellowing of ornamental flowers in calcareous soil is particularly good.
Macroelement fertilizer with fertilizer requirement refers to the fertilizer whose content of nitrogen, phosphorus and potassium in the dry matter of crops is more than 1%, and the fertilizer containing macroelements is called macroelement fertilizer, which is absorbed and consumed by crops, such as nitrogen fertilizer, phosphorus fertilizer, potassium fertilizer, calcium fertilizer, magnesium fertilizer and sulfur fertilizer.
Medium element fertilizer refers to the content of calcium, magnesium and sulfur in the dry matter of crops, which is called medium element, and the fertilizer containing these elements is called medium element fertilizer; Include calcium fertilizer (such as lime and calcium chloride), magnesium fertilizer (such as magnesium sulfate and anhydrous potassium magnesium alum) and sulfur fertilizer (such as sulfur and gypsum).
Trace element fertilizer is usually called trace element fertilizer, which refers to fertilizer containing trace elements, and refers to fertilizer containing trace elements. Crops absorb and consume less, such as boron fertilizer, zinc fertilizer, manganese fertilizer, molybdenum fertilizer, copper fertilizer, iron fertilizer and cobalt fertilizer.
Suitable fertilizers for crops, grain crops, rice and rice are mainly organic fertilizers and phosphate fertilizers. Tillering fertilizer is applied half a month after transplanting or transplanting, flower-promoting fertilizer is applied from ear axis differentiation stage to spikelet differentiation stage, and flower-protecting fertilizer is applied slightly before pollen cell meiosis stage. In the later stage, topdressing should not only use urea, but also use it with potassium dihydrogen phosphate.
What fertilizer should be used for corn? In the whole growth cycle, the demand for nitrogen fertilizer is greater, followed by the demand for phosphorus and potassium fertilizer. At the same time, it is necessary to supplement appropriate mineral elements. When applying fertilizer, the application ratio of N, P and K should be controlled at about 1:0.49:0.9, and the corn yield is high. When sowing corn, pay attention to applying seed fertilizer to make seeds emerge and provide nutrients for seedlings. At the same time, the quick-acting fertilizer should be used as seed fertilizer in maize seedling stage.
What fertilizer should wheat use? It is suggested that Hefei with medium nitrogen, high phosphorus and low potassium should be used as the base fertilizer for wheat. We need more phosphorus and less nitrogen and potassium in the early stage. Therefore, high phosphorus fertilizer should be applied as base fertilizer, and then nitrogen and potassium fertilizer should be applied at jointing stage of wheat.
Vegetables Fertilizer Vegetables are now mainly applied by base fertilizer and a small amount of compound fertilizer (fertilizer containing nitrogen, phosphorus and potassium). The base fertilizer is mainly organic fertilizer, which should account for 60% of the total fertilizer demand of crops in a lifetime; Apply some compound fertilizer at the early stage of growth. For leafy vegetables, pay attention to applying nitrogen fertilizer to promote the growth of branches and leaves, and bury them at a certain distance from the roots. In the fruiting stage, decomposed human and animal manure, burnt plant ash, fermented rice washing water and various residues can be applied.
Fertilizers for fruit trees are generally calcium superphosphate, urea, diammonium phosphate, potassium sulfate, organic fertilizer, soil miscellaneous fertilizer and other fertilizers. When using chemical fertilizer for fruit trees, it is necessary to cooperate with organic fertilizer or soil miscellaneous fertilizer, that is, organic fertilizer or soil miscellaneous fertilizer is the main one, supplemented by chemical fertilizer, in order to achieve immediate results.
Fertilizers for planting flowers The fertilizers that can be used for planting flowers include animal manure, bone meal, green manure, nitrogen fertilizer, phosphate fertilizer, potassium fertilizer, calcium superphosphate, plant ash fertilizer and cake fertilizer. Fertilizers commonly used for potted flowers are divided into organic fertilizer and inorganic fertilizer.
Nutrient soil seedling fertilizer can generally be used as base fertilizer, such as manure, compost, oil cake fertilizer and so on. It can be spread before soil preparation, and it should be noted that it must be decomposed and fermented before application, otherwise fertilizer damage will occur; Inorganic fertilizers such as ammonium sulfate, urea, ammonium chloride and potassium chloride can also be used as topdressing, and can be applied in the growth period and hardening period.
Hydroponic plant fertilizer Hydroponic plants can use nutrient solution, and there are special hydroponic nutrient solutions. Just follow the instructions when adding, not too much, to avoid fertilizer damage; You can also use compound fertilizer and dilute it directly with water, once a month, not too frequently; In addition, potassium dihydrogen can be added after changing water, which can promote the normal absorption of nutrients and is beneficial to growth.
Fertilizer for succulents During the management period, succulents can apply compound fertilizer, which can supplement nitrogen, phosphorus and potassium, so that the leaves of succulents are fuller and grow faster. Organic fertilizer can also be applied, which is good for growth. There are also special nutrient solutions for succulents on the market, which can speed up the growth.
Soilless culture fertilizer In soilless culture, crops must contain 13 essential elements in order to maintain their normal growth and development. The main nutrients in nutrient solution are generally nitrogen, phosphorus, potassium, calcium and magnesium.
The special fertilizer for medicinal materials is mainly ternary compound fertilizer, combined with organic fertilizer, farmyard manure as base fertilizer, nitrogen fertilizer as main fertilizer and phosphorus and potassium fertilizer. Apply more nitrogen fertilizer in the early growth stage and more phosphorus and potassium fertilizer in the late growth stage to promote early maturity of fruits and full seeds.
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