Method for meliorating alkaline land
A saline-alkali land and land technology, applied in chemical instruments and methods, soil-lifting machinery, organic fertilizers, etc., can solve problems such as environmental damage, storage and waste of fresh water, etc., and achieve the effects of low cost, quick improvement and good improvement effect.
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[0007] Example: A method for improving saline-alkali land, detecting the content of salt in the soil; calculating the amount of ammonium bicarbonate per acre according to the content of salt in the soil, the amount of ammonium bicarbonate (kg / mu) = (salt content in the soil- 3‰)×50, the actual dosage is 120% of the standard value; according to the calculation result, evenly disperse ammonium bicarbonate on the saline-alkali ground, and then use the rotary tillage of the land. The depth of the rotary tillage is 15 cm. Use the vibrator on the rotary tiller to vibrate the soil again; after 15 days of rotary tillage the soil, check the alkali content in the soil and calculate the amount of phosphoric acid. The amount of phosphoric acid (kg / mu) is in accordance with (alkali content in soil / 8.5)× 2.1 Confirmation; According to the calculated value of the amount of phosphoric acid, the amount of phosphoric acid is formulated into an aqueous solution with a concentration of 1%, and the ph...
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