Comprehensive treatment agent for soda alkaline land and use method thereof
A technology for soda saline-alkali land and comprehensive management, applied in the direction of application, fertilizer mixture, organic fertilizer, etc., can solve the problems of half-way management work, etc., and achieve the effect of increasing soil aggregates, restoring physical and chemical properties, and long-term fertilizer effect
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Embodiment 1
[0019] Take heavy soda saline-alkaline soil (pH=10.58) at a depth of 0-30cm from Anguang, Da'an City, Baicheng District, Jilin Province, air-dry it, weigh 27.89kg, put it in a utensil, add 26.49 liters of water, soak for three days, add 204.60g to improve agent (weight combination ratio is humic acid 40%, zeolite 30%, acid conditioner 20%, fly ash 5%, furfural slag 5%), take out soil samples every 5 days, air-dried and sieved with No. 18 sieve (1mm Grain), detect soluble salt and CEC, carry out altogether 15 days, experimental condition and result (see table 1 and table 2) are as follows.
[0020] Experimental conditions
[0021] Apparatus: cone diameter 35.00cm, height 43.00cm, area 961.63cm 2 .
[0022] Soil weight: 27.89kg Water: 26.49L Soil bulk density 1.45g / cm 3 .
[0023] Improver: 204.60g (0.73% of soil weight).
[0024] Temperature: 8°C.
[0025] Days: 18 days before and after, 3 days for soil soaking, 15 days for experiment.
[0026] Table 1 Changes of soluble...
Embodiment 2
[0032] In Anguang, Daan City, Baicheng District, Jilin Province, severe saline-alkali land (pH=10.35), the designated area is 11000m 2 , of which 10000m 2 Do modifier experiment, 1000m 2 as a control area.
[0033] In spring, use a tractor to plow the ground, pour water into the field for three days, add 8.5 tons of improvers (weight ratio: 40% humic acid, 30% zeolite, 20% acid conditioner, 5% fly ash, 5% furfural slag); add Organic fertilizer (weight combination ratio: 45% of fully fermented chicken manure, 50% of crushed straw, 5% of wood vinegar) 8.5 tons, properly mixed, and after 10 days, use a tractor to rake the field to level off, and transplant rice seedlings. After two months or so, the rice seedlings in the experimental area were growing brightly green, while 60-70% of the rice seedlings in the control area were all dead, which became an obvious contrast. The rice in the experimental area was not abnormal and ripened on time, and 7000kg of rice was harvested afte...
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