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Soil conditioner applicable to saline and alkaline dryland sandy soil cotton field

A soil conditioner and saline-alkali technology, applied in soil conditioning materials, applications, organic fertilizers, etc., can solve the problems of sandy saline-alkali soil with good water permeability and ventilation, complex production process of saline-alkali land, restricting popularization and application, etc., to enhance drought resistance. Effects of salt tolerance, reduced leaching loss, enhanced drought and salt tolerance

Active Publication Date: 2016-06-08
SHANDONG COTTON RES CENT
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

The production process of saline-alkali land is complicated, and it is limited by the local soil composition, which has strong regional characteristics. At present, most of the saline-alkali soil improvers are universal improvers, and the targeted research on the most suitable soil types and specific planting crops is still relatively limited. Less, seriously restricting its promotion and application
In particular, freshwater resources are seriously lacking in the inland areas of Northwest my country. The sandy saline-alkali soil has good water permeability and air permeability, but poor water and fertilizer retention capabilities. This is in stark contrast to other types of saline-alkali soils with poor water permeability and air permeability. Therefore, a sandy soil suitable for this area has been developed. Soil conditioner for saline-alkali soil cotton fields is very necessary

Method used

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  • Soil conditioner applicable to saline and alkaline dryland sandy soil cotton field
  • Soil conditioner applicable to saline and alkaline dryland sandy soil cotton field

Examples

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Effect test

Embodiment 1

[0025] In 2014 and 2015, field trials were carried out in the Xiaochahantan cotton field in Alxa League Left Banner, western Inner Mongolia. The local area is sandy saline-alkali soil, the salt content is 0.1%, the soil pH value is 8.23, and the nutrient content is: alkaline hydrolyzed N (32.3 μg / g), available P (6.76 μg / g), available K (175.6 μg / g) , Organic matter (0.67%). The application rate of soil improver per mu is 100 kg / mu, and the specific formula is: 30 kg of peat soil, 4 kg of polyacrylamide, 15 kg of sulfur-coated urea, 10 kg of diammonium phosphate, 10 kg of potassium sulfate, 2-acetoxy 1 kg of benzoic acid, 20 grams of sodium nitroprusside, 15 kg of ferrous sulfate, and 15 kg of phosphogypsum. First mix other raw materials evenly, then dissolve sodium nitroprusside in 500 grams of water, spray evenly on it, and mix again. Apply the soil amendment to the seeding rows, cover with soil, and sow. The tested variety is Tianyuan No.1, the main local cultivar. The ...

Embodiment 2

[0031] In 2014 and 2015, field experiments were carried out in Xiaohaizi Reclamation Area, Kashi, Xinjiang. The local annual average precipitation is 38.3mm, the soil is sandy saline-alkali soil, with a salt content of 0.27%, pH=8.34, organic matter content of 0.91%, and alkaline nitrogen 46.5 mg / kg, available phosphorus 14.7mg / kg, available potassium 186.3mg / kg. The amount of soil improver used per mu is 106 kg / mu, and the specific formula is: 35 kg of peat soil, 3.5 kg of polyacrylamide, 12.8 kg of sulfur-coated urea, 8.6 kg of diammonium phosphate, 8.6 kg of potassium sulfate, 2-acetoxy 1 kg of benzoic acid, 20 grams of sodium nitroprusside, 18.25 kg of ferrous sulfate, and 18.25 kg of phosphogypsum. First mix other raw materials evenly, then dissolve sodium nitroprusside in 500 grams of water, spray evenly on the mixed soil conditioner, and mix again. Apply the soil amendment to the seeding rows, cover with soil, and sow. The tested variety is Qianhai 916, the main local...

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Abstract

The invention discloses soil conditioner applicable to the saline and alkaline dryland sandy soil cotton field. The soil conditioner is composed of nutrient elements (sulfur coated urea, diammonium phosphate and potassium sulphate), turfy soil, ferrous sulfate, ardealite, polyacrylamide and a drought resistance and salt tolerance agent (2-( acetoxyl group) benzoic acid and sodium nitroprusside). The soil conditioner is targeted to solve the problems that northwest inland areas are deficient in fresh water resource and poor in sandy saline and alkaline soil water and fertilizer retention capacity, the fertility characteristics of 'nitrogen deficiency, phosphorus deficiency, rich potassium' of sandy saline and alkaline soil, requirements for fertilizer of cotton and fertilizer absorption characteristics of cotton in sandy saline and alkaline soil are comprehensively considered, and comprehensive treatment is conducted from multiple angles of water retention, fertilizer retention, lowering of pH value, salt inhibition, reasonable matching of nutrients and enhancement of drought-resistant and salt-resistant capacity of cotton. The soil conditioner is applied to multiple areas such as Inner Mongolia and Sinkiang in 2014 and 2015, the yield is increased by 10-15%, and water is saved by 20% and above.

Description

technical field [0001] The invention relates to the field of soil improver or soil conditioner manufacture, in particular to a soil improver suitable for sandy soil cotton fields in saline-alkali dry land in the northwestern inland of my country. Background technique [0002] my country is the world's largest producer and consumer of cotton, as well as the largest producer and exporter of textiles and clothing. Cotton plays an irreplaceable role in the national economy. The inland area of ​​Northwest my country has good light and heat resources and climatic conditions, and is the main area for cotton production in my country. This area is also the largest saline soil area in my country, and the saline area in Xinjiang alone reaches 11 million hm 2 , accounting for about 1 / 3 of the national saline soil area and 6.6% of Xinjiang's land area. This area is an arid and semi-arid area, with an annual precipitation of less than 100 mm, but evaporation of 2000-3300 mm, a low groun...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09K17/40C09K101/00C09K109/00
CPCC09K17/40C09K2101/00C09K2109/00
Inventor 罗振埃内吉董合忠辛承松李维江唐薇张冬梅
Owner SHANDONG COTTON RES CENT
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