Simplified planting method for coastal severe saline-alkali soil salt-resistant bermuda grass lawn
A technology of severe saline-alkali land and bermudagrass, which is applied in the field of saline-alkali soil improvement and greening, can solve the problems of poor lawn landscape effect, damage to the ecological environment, and high cost of lawn planting, so as to reduce oxidation and soil fixation, reduce salt damage, and promote The effect of optimization of soil structure
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Embodiment 1
[0020] In 2011, in the severe saline-alkali land of Dafeng Port District, Dafeng City, Jiangsu Province, 9 experimental plots were set up, each with an area of 4m 2 , Soil improvement measures set up the soil improvement method of this patent, guest soil method and do not do any contrast of soil improvement and totally 3 processes, each processing 3 repetitions. The basic soil condition is pH8.3, organic matter 0.34%, total nitrogen 0.01%, available phosphorus 6.12ppm, available potassium 512.2ppm, 0-10cm soil salinity 14.7‰, 10-20cm soil salinity 9‰. The salt-tolerant lawn variety 'Yangjiang' bermudagrass was selected.
[0021] (1) Surface weeding: there are only sporadic Suaeda salsa plants on the ground, which can be manually removed directly;
[0022] (2) Terrain: the test site is artificially leveled, and large stones and rubble within 20cm of the ground are removed;
[0023] (3) Preparation of soil improver: The ingredients and dosage of the improver are 1000kg / mu of...
Embodiment 2
[0032] In 2012, the severe saline-alkali land in Dafeng Port District, Dafeng City, Jiangsu Province, with a demonstration area of 1000m 2 .
[0033] The basic soil condition is pH8.2, organic matter 0.45%, total nitrogen 0.02%, available phosphorus 9.2ppm, available potassium 452.3ppm, 0-10cm soil salinity 12.5%, 10-20cm soil salinity 8.7‰. The salt-tolerant cultivar 'C291' bermudagrass was selected.
[0034] (1), surface weeding: there are some halophytes of Chenopodiaceae and Asteraceae on the ground, use glyphosate (containing 41% glyphosate isopropyl ammonium salt) 150 times liquid 45L / acre consumption direction to spray to the green blade above, to kill weeds that have grown;
[0035] (2) To make the terrain: use an excavator to make a preliminary leveling of the demonstration site, and then use a rotary tiller in the east-west direction and north-south direction for three times, with a depth of 20cm, for further leveling; clear the ground within 20cm Stones and rub...
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