Comprehensive biological improvement method for severe saline-alkaline grassland
A comprehensive biological and saline-alkali technology, applied in land preparation methods, applications, agricultural machinery and implements, etc., can solve the problems of complex salt composition, special soil conditions, and high surface salinity, achieve a good soil biological environment, promote the formation of Develop and improve the effect of soil physical structure
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experiment example 1
[0029] Experimental Example 1 Saline Alkali Tolerant Pioneer Plant Combination Improvement of Severely Salinized Grassland Experiment
[0030] 1. Experimental location
[0031] The experimental site is located in Shengli Village, Yuanda Township, Lanxi County, Heilongjiang Province. The geographical location is 126°08′ east longitude, 46°12′ north latitude, and the average altitude is 160m. Is a temperate continental climate. The annual average sunshine hours are 2900h, the annual average temperature is -5.9°C, the extreme maximum temperature is 37.6°C, the extreme minimum temperature is -39°C, the annual average precipitation is 469.7mm, and the frost-free period is 139 days. The soil is saline-alkali meadow soil, the soil pH value is 9.65-10.58, and the organic matter content is 9.22-10.73g·kg -1 . The experimental sample land is a severely salinized grassland, the proportion of alkali spots is more than 50%, and the vegetation coverage is less than 20%.
[0032] 2. Experi...
Embodiment 1
[0061] The comprehensive biological improvement of embodiment 1 severe saline-alkali grassland
[0062] 1. Experimental location
[0063] The experimental site is located in Shengli Village, Yuanda Township, Lanxi County, Heilongjiang Province. The geographical location is 126°08′ east longitude, 46°12′ north latitude, and the average altitude is 160m. Is a temperate continental climate. The annual average sunshine hours are 2900h, the annual average temperature is -5.9°C, the extreme maximum temperature is 37.6°C, the extreme minimum temperature is -39°C, the annual average precipitation is 469.7mm, and the frost-free period is 139 days. The soil is saline-alkali meadow soil, the soil pH value is 9.65-10.58, and the organic matter content is 9.22-10.73g·kg -1 . The experimental sample land is a severely salinized grassland, the proportion of alkali spots is more than 50%, and the vegetation coverage is less than 20%.
[0064] 2. Comprehensive improvement method
[0065] ...
Embodiment 2
[0075] The comprehensive biological improvement of embodiment 2 severe saline-alkali grassland
[0076] 1. Experimental location
[0077] The experimental site is located in Shengli Village, Yuanda Township, Lanxi County, Heilongjiang Province. The geographical location is 126°08′ east longitude, 46°12′ north latitude, and the average altitude is 160m. Is a temperate continental climate. The annual average sunshine hours are 2900h, the annual average temperature is -5.9°C, the extreme maximum temperature is 37.6°C, the extreme minimum temperature is -39°C, the annual average precipitation is 469.7mm, and the frost-free period is 139 days. The soil is saline-alkali meadow soil, the soil pH value is 9.65-10.58, and the organic matter content is 9.22-10.73g·kg -1 . The experimental sample land is a severely salinized grassland, the proportion of alkali spots is more than 50%, and the vegetation coverage is less than 20%.
[0078] 2. Comprehensive improvement method
[0079] ...
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