Special fertilizer for beet in inland saline-alkali land and preparation method thereof
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A technology of special fertilizer and saline-alkali land, applied in the field of special fertilizer, can solve the problems of poor saline-alkali adaptability, nutrient imbalance, blind fertilization, etc., and achieve the effect of improving root system vitality, improving physical and chemical properties, and reducing soil pH
Active Publication Date: 2017-07-04
INST OF AGRI ENVIRONMENT & RESOURCE SHANXI ACAD OF AGRI SCI
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[0005] The purpose of the present invention is to solve the problems of blind fertilization, unbalanced nutrients, and poor saline-alkali adaptability in planting sugar beet in inland saline-alkali land, and provide an organic-inorganic combination, a combination of a large amount of medium and trace elements, improved salinity and improved sugar beet Special fertilizer for beet in inland saline-alkali land combining yield and quality, and preparation method of the special fertilizer
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Embodiment 1
[0023] Take stainless steel tailings, a by-product of stainless steel production, after screening and processing, dry, pulverize with a ball mill, and pass through a 80-100 mesh sieve for later use. After analysis and testing, the heavy metal content in the stainless steel tailings does not exceed the standard, which meets the requirements of the national standard.
[0024] The weathered coal from which impurities have been removed is air-dried until the water content is below 10 wt%, pulverized by a pulverizer, and passed through a 80-100 mesh sieve for later use.
[0025] Mix 200kg of crushed and sieved stainless steel tailings with 200kg of weathered coal, add water to adjust the moisture content to 25-30wt%, stir evenly, put it in a sealed container and react for 3-5 days, take it out and dry it in the air, so that the moisture content is 10~15wt%.
[0026] The urea, monoammonium phosphate, potassium sulfate, zinc sulfate and manganese sulfate are respectively pulverized ...
Embodiment 2
[0048] The preparation method of special fertilizer for sugar beets is the same as in Example 1. The raw material composition and consumption are: 150kg of stainless steel tailings, 150kg of weathered coal, 250kg of urea, 200kg of diammonium phosphate, 150kg of potassium sulfate, 30kg of zinc sulfate, 30kg of manganese sulfate, 10kg of paclobutrazol, Titanium 5kg, lanthanum nitrate 5kg, diatomaceous earth 20kg.
[0049] In the sugar beet special fertilizer prepared above, it contains 7.5% of organic matter, 15% of N, and 15% of P 2 o 5 10%, K 2 O 8%, also contains silicon, calcium, magnesium, zinc, manganese, boron and other medium and trace elements.
[0050] Using the special fertilizer for sugar beets prepared in this example, a field test for effect verification was carried out at Jialian Farm, Gucheng Town, Shanyin County, Shuozhou City, Shanxi Province.
[0051] Basic properties of the soil: the soil is mild soda saline soil, the plow layer soil is sandy loam, pH8.89,...
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Abstract
The invention discloses a special fertilizer for inland saline-alkali sugar beets. The special fertilizer is prepared from the following raw materials in parts by weight in a mixing manner: 10-20 parts of stainless steel tailings, 10-20 parts of decomposed coal, 15-30 parts of urea, 20-40 parts of ammonium dihydrogen phosphate, 10-30 parts of potassium sulphate, 3-10 parts of zinc sulfate, 3-10 parts of manganese sulfate, 0.5-2 parts of paclobutrazol, 0.1-1 part of titanium sulfate, 0.1-1 part of lanthanum nitrate and 1-5 parts of kieselguhr. The materials, such as stainless steel tailings and decomposed coal, for modifying saline and alkaline land are added and matched with various necessary elements for the sugar beets by combining the nutritional requirement rules of the sugar beets aiming at the characteristics of inland saline-alkali soil; and the paclobutrazol for adjusting migration of photosynthesis matters, and titanium sulfate and lanthanum nitrate for improving the sugar content of the sugar beets are added, so that the special fertilizer is balanced in nutrition; necessary macro-elements, medium-elements and microelements for the sugar beets in the total growth period can be provided; meanwhile, the pH value of the inland saline-alkali soil can be lowered; the saline-alkali harms are reduced; the soil structure is improved; the soil fertility is improved, and thus the nutrition state of the sugar beets is improved; and the yield and the sugar content of the sugar beets roots are significantly improved.
Description
technical field [0001] The invention relates to a special fertilizer, in particular to a special fertilizer suitable for sugar beets planted on saline-alkali land. Background technique [0002] China currently has 99.13 million hectares of saline-alkali land, of which the inland saline-alkali land area is the largest, accounting for about 69% of all saline-alkali land. Inland saline-alkali land has the characteristics of strong soil alkalinity, high content of substitutable sodium ions, and poor soil physical properties. [0003] Sugar beet is an important sugar raw material in northern my country. It has strong saline-alkali tolerance and good economic benefits. It is widely planted in inland saline-alkali areas. Sugar beet requires a large amount of fertilizer, has a strong ability to absorb fertilizer, and takes a long time to absorb fertilizer. However, farmers apply fertilizer blindly, with unbalanced nutrients and poor pertinence. At present, there are few special fe...
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