A kind of engineering improvement and ecological construction method of sticky board severe saline-alkali land
A technology of sticking boards in severe saline-alkali land, applied in soil preparation methods, agricultural machinery and implements, agriculture, etc., can solve the problems of low plant emergence rate, strong secondary salt return, and low efficiency of salt leaching, so as to achieve rational use of biological resources, The effect of improving the efficiency of salt drainage and improving the efficiency of salt leaching
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Embodiment 1
[0038] Typical severe saline-alkali land in Hetao irrigation area, Inner Mongolia. The soil salinity in the 0-20cm surface layer of the test ground is 7.4-9.6g / kg, the average salt content is 8.7g / kg, the average organic matter content is 8.9g / kg, the total nitrogen is 0.72g / kg, the alkaline nitrogen is 69.65mg / kg, and the available phosphorus 14.76mg / kg, available potassium 169.3mg / kg, cation exchange capacity CEC 15.8cmol / kg, soil alkalinity ESP 17.3%, 0-40cm soil is loam, 40-160cm is clay loam, 0-200cm profile Soil bulk density is between 1.45-1.67g / cm 3 . Location: Community 1, Chengni Village, Sandaoqiao Town, Hangjinhou Banner, Bayannur City, Inner Mongolia. It is a typical representative of saline-alkali land in the Hetao irrigation area. The test period is from December 2016 to November 2017. The experimental plot was a saline-alkali wasteland in the early stage. In December 2016, hidden pipes were laid and engineering treatment was carried out, and salt-tolerant pla...
Embodiment 2
[0051] New tidal flat saline-alkali wasteland reclamation in Binhai, Jiangsu. The soil salinity in the 0-20cm surface layer of the test ground is 8.2-13.6g / kg, the average salt content is 10.8g / kg, the pH is 8.83, the average organic matter content is 0.07g / kg, the total nitrogen is 0.16g / kg, and the alkaline nitrogen is 9.83mg / kg kg, available phosphorus is 3.27mg / kg, available potassium is 291.7mg / kg, cation exchange capacity CEC is 7.6cmol / kg, soil alkalinity ESP is 15.8%, 0-20cm soil is sandy loam, 20-160cm is silt loam , 0-200cm section soil bulk density is between 1.41-1.56g / cm 3 . Location: Tiaozini Xinken tidal flat area, Canang Town, Dongtai City, Jiangsu Province, which is a typical representative of coastal mud flat saline-alkali land. The test period was from March 2016 to November 2016. In the early stage of the test plot, it was a newly reclaimed tidal flat saline-alkali land with an altitude of 0.5-1.0m. In November 2015, hidden pipes were laid and engineering...
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