Special fertilizer for inland saline-alkali sugar beets and preparation method of special fertilizer
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A technology for special fertilizers and saline-alkali land, applied in the field of special fertilizers, can solve the problems of nutrient imbalance, poor adaptability to saline-alkali, blind fertilization, etc., and achieve the effects of improving physical and chemical properties, increasing root activity and reducing soil pH.
Active Publication Date: 2015-03-25
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 the by-product stainless steel tailings from the stainless steel production, after screening and processing, drying, pulverizing with a ball mill, and passing through an 80-100 mesh sieve for use. After analysis and testing, the content of heavy metals in the stainless steel tailings does not exceed the standard and meets the requirements of national standards.
[0024] The weathered coal with impurities removed is air-dried to a moisture content of less than 10wt%, crushed by a grinder, and passed through an 80-100 mesh sieve for use.
[0025] Mix 200kg of crushed and sieved stainless steel tailings with 200kg of weathered coal, add water to adjust to a moisture content of 25-30wt%, stir evenly, put it in a sealed container to react for 3 to 5 days, take it out and air dry to make the moisture content of 10-15wt%.
[0026] The urea, monoammonium phosphate, potassium sulfate, zinc sulfate and manganese sulfate are pulverized with a pulverizer and passed through an 80-100...
Embodiment 2
[0048] The preparation method of special fertilizer for sugar beet is the same as in Example 1. The raw material composition and dosage are: stainless steel tailings 150kg, weathered coal 150kg, urea 250kg, diammonium phosphate 200kg, potassium sulfate 150kg, zinc sulfate 30kg, manganese sulfate 30kg, paclobutrazol 10kg, sulfuric acid Titanium 5kg, lanthanum nitrate 5kg, diatomaceous earth 20kg.
[0049] The special fertilizer for sugar beet prepared above contains organic 7.5%, N 15%, P 2 O 5 10%, K 2 O 8%, and also contains silicon, calcium, magnesium, zinc, manganese, boron and other trace elements.
[0050] Using the special fertilizer for sugar beet prepared in this example, a field test for effect verification was carried out at Jialian Farm in Gucheng Town, Shanyin County, Shuozhou City, Shanxi Province.
[0051] Basic soil properties: The soil is mildly soda saline soil, the plough layer is sandy loam soil, pH 8.89, electrical conductivity (EC) 1.20 ms / cm, total salinity 0.3...
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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 beet planted on saline soil. Background technique [0002] China currently has 99.13 million hectares of saline-alkali land, of which inland saline-alkali land has the largest area, accounting for 69% of all saline-alkali land. Inland saline-alkali land has the characteristics of strong soil alkalinity, high content of replaceable sodium ions, and poor soil physical properties. [0003] Sugar beet is an important raw material for sugar production in northern my country. It has strong salt-alkali tolerance and good economic benefits. It is widely grown in inland saline-alkali areas. Sugar beet requires a large amount of fertilizer, has a strong fertility absorption capacity, and has a long time for fertilization, but farmers are blindly fertilizing, with unbalanced nutrients and not strong pertinence. At present, there are few special fertilizers for sugar...
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