Planting method for quinoa in inland soda saline-alkaline land
A technology of soda saline-alkali land and planting method, which is applied to the field of quinoa planting in inland soda saline-alkali land, can solve the problems of low seedling emergence rate, susceptibility to saline-alkali stress at seedling stage, and field waterlogging, and achieve improvement of soil properties and soil physical and chemical properties Improve and increase the effect of soil organic matter
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Embodiment 1
[0021] Example 1: The experiment was arranged in a salinity-alkali improvement demonstration area in a town in Shuozhou City, Shanxi Province. It is located in the north of Shanxi Province, with an average annual precipitation of about 362.4 millimeters and evaporation of about 1940 millimeters. The average temperature over the years is 7.6°C, and the frost-free period is 120-138 days. It belongs to the inland arid saline-alkali area, the soil type is mainly soda-type alkaline soil, the groundwater generally contains soda, and 70% of the saline-alkali soil contains soda. The total salt content of the plow layer (0-20cm) is generally 3-5g / kg, the pH value is generally 8.7-9.2, the EC value is about 1-1.5, and the alkalization degree is generally 10-15%, which belongs to moderate soda saline-alkali land.
[0022] A planting method of quinoa in inland soda saline-alkali land, including construction of drainage ditches; land consolidation in autumn; soil treatment before sowing in...
Embodiment 2
[0034] Example 2: The demonstration is arranged in a village in a certain county of Datong City, which belongs to the continental north temperate zone dry monsoon climate, with four distinct seasons, a frost-free period of 90-128 days, an average annual sunshine hours of 2,827 hours, an annual average temperature of 6.4°C, and an average altitude of 994 meters. According to the Shanxi soil annals of the second national soil census, this area belongs to the inland arid saline-alkali area, the total salt content of the soil plow layer (0-20cm) is generally 5-7g / kg, and the soil pH is 9.2-9.5 , the EC value is about 1.5-2, the alkalization degree (ESP) is about 15-30%, the content of substitutable sodium ions in the soil is high, the soil colloid is dispersed, the aggregate structure is poor, the soil swells and becomes muddy when it is wet, and shrinks when it is dry. It is hard and highly alkaline, and it is difficult for crops to grow. It is a severe soda saline-alkali land.
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Embodiment 3
[0047] Embodiment 3: A planting method of quinoa in inland soda saline-alkali soil, wherein: the desalination water-retaining agent is made by mixing the following raw materials: 70g calcium-based bentonite, 15g sulfur, 3.5g ferrous sulfate, 15g humic acid, 10g sticky Mixture, 10g of water. The inland soda saline land is extremely severe soda saline land, the total salt content of the soil plow layer (0-20cm) is not less than 7g / kg, the soil pH is not less than 9.5, the EC value is not less than 2, and the alkalization degree (ESP) is not less than 30%. In step (2), the amount of desulfurization gypsum is 1.5 tons / mu, and the farm organic fertilizer is cow dung, and the amount is 2m 3 / mu. All the other planting methods are with the method described in Example 2.
[0048] Compared with the conventional planting by local farmers (do not apply desulfurization gypsum, but store water and pressurize salt, do not coat the seeds before sowing, and do not spray biological agents at...
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