Water soluble phosphate fertilizer
Water-soluble phosphate fertilizer is loved by everyone, and it is easy to dissolve in water and fertilizer.
There are two main varieties, superphosphate and heavy calcium.
They are all acidic and sensitive to alkalis.
Storage and transportation should not be affected by moisture, and phosphorus should be prevented from becoming invalid.
1 superphosphate
Calcium phosphate water is soluble and suitable for all crops;
The mixed manure is layered and reduced to fix the soil.
Combined with ammonium urea sulfate, phosphorus is used to increase nitrogen production.
The phosphorus-containing 18 is acidic, and the storage and application of Mo-alkali.
2 heavy superphosphate
The name of superphosphate is aggravated, and it is also afraid of fixing Iron and aluminum.
Phosphorus up to forty-six, commonly known as heavy calcium is acidic.
The dosage should be flexible, and it is the same as the calcium.
Because of the high phosphorus content, it is not advisable to mix seedlings.
Weak acid soluble phosphate fertilizer
The bismuth phosphate fertilizer is insoluble in water and can only be dissolved in the acid solution;
The roots of the crop secrete acid, and the dissolved phosphate fertilizer is instinct.
The key is to be piled up before use, and the fertilizer effect is slow and long;
Acidic soil is more suitable only because it contains calcium and magnesium.
1 calcium magnesium phosphate fertilizer
Calcium, magnesium and phosphorus fertilizers are alkaline, and acidic soils are most suitable;
Phosphorus-containing water is insoluble in water, and mixed fertilizer increases the effect.
Only because it contains calcium, magnesium and manganese, as well as silicon fertilizer and copper;
Used for rapeseed silk peas, fruit trees and cereals are all adapted.
2 steel slag phosphate fertilizer
Steel slag phosphorus fertilizer alkali slag, acidic soil like it;
Gray-black powder has low phosphorus content and is suitable for use as a base fertilizer.
It is best to stack before use, and the phosphorus utilization rate can be improved;
Do not mix ammonium nitrogen for rice production.
3 defluorinated phosphate fertilizer
Defluorinated phosphate fertilizer has less fluorine and can be fed to livestock for feed;
Light gray-brown fine powder, high efficiency of mixed fertilizer.
Not easy to agglomerate weak acid solution, phosphorus-containing twenty-alkali reaction;
More calcium-containing lead-free arsenic, the most suitable soil is acidic.
4 calcium metaphosphate
The concentration of calcium metaphosphate is high, and the application is less than that of ordinary calcium;
The phosphorus content is as high as sixty-three, and the weak acid is completely dissolved in water.
The moisture absorbing agglomerate is non-corrosive, and the yellow powder is alkaline;
It is best to apply it in acid, and the fertilizer effect lasts as the base fertilizer.
Insoluble phosphate fertilizer
Insoluble phosphate fertilizer is difficult to dissolve, and it does not dissolve water to slightly dissolve acid.
Scientific fertilization is the key to achieving good fertilizer efficiency.
Emphasize the need to stack before use, with the physiological acid of nitrogen fertilizer.
Phosphorus should be applied and applied as a base fertilizer.
1 phosphate rock
Phosphate rock powder, insoluble in nature, ground using phosphate rock;
The gray-brown powder does not agglomerate and is not corrosive.
Chemically slightly alkaline, generally total phosphorus exceeding thirteen;
Acidic low phosphorus is used thinly to adapt to the leguminous Chinese milk vetch.
2 bone powder
There are three products of bone powder, degreasing and degumming raw bone powder;
Phosphorus is up to twenty-seven and nitrogen is less than five to one.
Due to poorly soluble alkaline, a phosphate field should be applied.
Mixing manure to pile up is better than increasing calcium production.
Potash
There are many varieties of potash fertilizer, and reasonable application is scientific.
Potassium is a strong alkaline, and the brother elements are easy to combine.
Can activate a variety of enzymes, but also through the biofilm;
Soluble in water and fertilizer, and also need nitrogen and phosphorus to match.
1 potassium sulfate
Potassium sulphate, more stable, soluble in water;
The hygroscopicity is small and does not agglomerate, and the physiological reaction is acidic.
Containing more than forty-eight potassium, the effect of mixed phosphate fertilizer is large;
Potassium crops with potatoes, tobacco leaves and flax.
2 potassium chloride
Potassium chloride, early home, the potassium family is a large number.
Soluble in water, the physiological reaction is acidic.
Mostly white crystals, the imported color is red,
The content is 50 to 60, and it is necessary to avoid chlorine crops.
3 potassium permanganate
Potassium permanganate ash manganese oxide, dark purple color crystal;
It contains both potassium and manganese, and foliar spray is most suitable.
Not only can the quality be improved, but also a variety of diseases can be suppressed.
The medicine is often used for disinfection, and water purification is also commonly used.
4 kiln ash potassium fertilizer
The kiln ash potassium fertilizer is strongly alkaline, and the yellow brown powder has a loose structure.
The potassium content is only 18, and it also contains calcium, magnesium, silicon, iron and sulfur.
Do not apply as a seed fertilizer, preferably in acid.
Mocha calcium ammonium, legume crops are very happy.
5 potassium magnesium fertilizer
Potassium and magnesium fertilizer, neutral, hygroscopic and strong water soluble.
Containing potassium up to twenty-seven, it also contains salt and magnesium fertilizer.
It is best to pile up before use to adapt to acid red land.
Do not use chlorine crops, do not want to make fertilizer.
6 potassium and calcium fertilizer
Potassium-calcium fertilizer, strong alkaline, acidic soil is most suitable.
The gray powder is easily soluble in water and is suitable for various crops.
Only four to five potassium is contained, and the traits are better to transport.
Ten seven or eight silicon calcium magnesium, which is good for disease resistance and lodging.
7 grass ash
The vegetation ash contains potassium carbonate, and the clay soil adsorbs large;
Soluble in water and fertilizer, do not mix human excrement.
Due to the nature of the base, it is also blended with ammonium nitrogen;
Although potassium is only five, it also contains phosphorus, calcium and magnesium.
Source: "China Cooperation Times", "Agricultural Resources Special Issue", 2004, No. 1543, 3rd Edition
Author: Wulu Zhi Han Xiao Bing Wu Wei Fan
Water-soluble phosphate fertilizer is loved by everyone, and it is easy to dissolve in water and fertilizer.
There are two main varieties, superphosphate and heavy calcium.
They are all acidic and sensitive to alkalis.
Storage and transportation should not be affected by moisture, and phosphorus should be prevented from becoming invalid.
1 superphosphate
Calcium phosphate water is soluble and suitable for all crops;
The mixed manure is layered and reduced to fix the soil.
Combined with ammonium urea sulfate, phosphorus is used to increase nitrogen production.
The phosphorus-containing 18 is acidic, and the storage and application of Mo-alkali.
2 heavy superphosphate
The name of superphosphate is aggravated, and it is also afraid of fixing Iron and aluminum.
Phosphorus up to forty-six, commonly known as heavy calcium is acidic.
The dosage should be flexible, and it is the same as the calcium.
Because of the high phosphorus content, it is not advisable to mix seedlings.
Weak acid soluble phosphate fertilizer
The bismuth phosphate fertilizer is insoluble in water and can only be dissolved in the acid solution;
The roots of the crop secrete acid, and the dissolved phosphate fertilizer is instinct.
The key is to be piled up before use, and the fertilizer effect is slow and long;
Acidic soil is more suitable only because it contains calcium and magnesium.
1 calcium magnesium phosphate fertilizer
Calcium, magnesium and phosphorus fertilizers are alkaline, and acidic soils are most suitable;
Phosphorus-containing water is insoluble in water, and mixed fertilizer increases the effect.
Only because it contains calcium, magnesium and manganese, as well as silicon fertilizer and copper;
Used for rapeseed silk peas, fruit trees and cereals are all adapted.
2 steel slag phosphate fertilizer
Steel slag phosphorus fertilizer alkali slag, acidic soil like it;
Gray-black powder has low phosphorus content and is suitable for use as a base fertilizer.
It is best to stack before use, and the phosphorus utilization rate can be improved;
Do not mix ammonium nitrogen for rice production.
3 defluorinated phosphate fertilizer
Defluorinated phosphate fertilizer has less fluorine and can be fed to livestock for feed;
Light gray-brown fine powder, high efficiency of mixed fertilizer.
Not easy to agglomerate weak acid solution, phosphorus-containing twenty-alkali reaction;
More calcium-containing lead-free arsenic, the most suitable soil is acidic.
4 calcium metaphosphate
The concentration of calcium metaphosphate is high, and the application is less than that of ordinary calcium;
The phosphorus content is as high as sixty-three, and the weak acid is completely dissolved in water.
The moisture absorbing agglomerate is non-corrosive, and the yellow powder is alkaline;
It is best to apply it in acid, and the fertilizer effect lasts as the base fertilizer.
Insoluble phosphate fertilizer
Insoluble phosphate fertilizer is difficult to dissolve, and it does not dissolve water to slightly dissolve acid.
Scientific fertilization is the key to achieving good fertilizer efficiency.
Emphasize the need to stack before use, with the physiological acid of nitrogen fertilizer.
Phosphorus should be applied and applied as a base fertilizer.
1 phosphate rock
Phosphate rock powder, insoluble in nature, ground using phosphate rock;
The gray-brown powder does not agglomerate and is not corrosive.
Chemically slightly alkaline, generally total phosphorus exceeding thirteen;
Acidic low phosphorus is used thinly to adapt to the leguminous Chinese milk vetch.
2 bone powder
There are three products of bone powder, degreasing and degumming raw bone powder;
Phosphorus is up to twenty-seven and nitrogen is less than five to one.
Due to poorly soluble alkaline, a phosphate field should be applied.
Mixing manure to pile up is better than increasing calcium production.
Potash
There are many varieties of potash fertilizer, and reasonable application is scientific.
Potassium is a strong alkaline, and the brother elements are easy to combine.
Can activate a variety of enzymes, but also through the biofilm;
Soluble in water and fertilizer, and also need nitrogen and phosphorus to match.
1 potassium sulfate
Potassium sulphate, more stable, soluble in water;
The hygroscopicity is small and does not agglomerate, and the physiological reaction is acidic.
Containing more than forty-eight potassium, the effect of mixed phosphate fertilizer is large;
Potassium crops with potatoes, tobacco leaves and flax.
2 potassium chloride
Potassium chloride, early home, the potassium family is a large number.
Soluble in water, the physiological reaction is acidic.
Mostly white crystals, the imported color is red,
The content is 50 to 60, and it is necessary to avoid chlorine crops.
3 potassium permanganate
Potassium permanganate ash manganese oxide, dark purple color crystal;
It contains both potassium and manganese, and foliar spray is most suitable.
Not only can the quality be improved, but also a variety of diseases can be suppressed.
The medicine is often used for disinfection, and water purification is also commonly used.
4 kiln ash potassium fertilizer
The kiln ash potassium fertilizer is strongly alkaline, and the yellow brown powder has a loose structure.
The potassium content is only 18, and it also contains calcium, magnesium, silicon, iron and sulfur.
Do not apply as a seed fertilizer, preferably in acid.
Mocha calcium ammonium, legume crops are very happy.
5 potassium magnesium fertilizer
Potassium and magnesium fertilizer, neutral, hygroscopic and strong water soluble.
Containing potassium up to twenty-seven, it also contains salt and magnesium fertilizer.
It is best to pile up before use to adapt to acid red land.
Do not use chlorine crops, do not want to make fertilizer.
6 potassium and calcium fertilizer
Potassium-calcium fertilizer, strong alkaline, acidic soil is most suitable.
The gray powder is easily soluble in water and is suitable for various crops.
Only four to five potassium is contained, and the traits are better to transport.
Ten seven or eight silicon calcium magnesium, which is good for disease resistance and lodging.
7 grass ash
The vegetation ash contains potassium carbonate, and the clay soil adsorbs large;
Soluble in water and fertilizer, do not mix human excrement.
Due to the nature of the base, it is also blended with ammonium nitrogen;
Although potassium is only five, it also contains phosphorus, calcium and magnesium.
Source: "China Cooperation Times", "Agricultural Resources Special Issue", 2004, No. 1543, 3rd Edition
Author: Wulu Zhi Han Xiao Bing Wu Wei Fan
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