Method for broadcast sowing and planting of saline-alkali tolerant rice in saline-alkali soil
A saline-alkali-tolerant and saline-alkali land technology, applied in land preparation methods, rice cultivation, chemical instruments and methods, etc., can solve problems such as unutilization, and achieve the effects of increasing seedling emergence rate, improving saline-alkali land, and shortening seedling emergence time.
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Embodiment 1
[0034] Example 1 Planting saline-alkali-tolerant rice in a saline-alkali land with a salt content of 4.1‰ and a pH of 8.1 in Xinjiang
[0035] (1) Different ratio of soil directional conditioner
[0036] Proportion 1: phosphogypsum 35%, weathered coal 15%, humic acid 25%, biogas residue 10%, woody peat 10%, potassium sulfate 5%;
[0037] Proportion 2: 40% phosphogypsum, 10% weathered coal, 25% humic acid, 10% biogas residue, 10% woody peat, 5% potassium sulfate;
[0038] Proportion three: 40% phosphogypsum, 15% weathered coal, 20% humic acid, 10% biogas residue, 10% woody peat, 5% potassium sulfate;
[0039] Proportion 4: 40% phosphogypsum, 10% weathered coal, 20% humic acid, 15% biogas residue, 10% woody peat, 5% potassium sulfate;
[0040] Proportion five: phosphogypsum 40%, weathered coal 10%, humic acid 20%, biogas residue 10%, woody peat 15%, potassium sulfate 5%.
[0041] (2) Specific operation steps
[0042] 18 days before rotary plowing and land preparation, choose...
Embodiment 2
[0047] Example 2 Planting saline-alkali-tolerant rice in a saline-alkali land with a salt content of 4.8‰ and a pH of 8.2 in Xinjiang
[0048] (1) Different ratio of soil directional conditioner
[0049] Proportion 1: phosphogypsum 35%, weathered coal 15%, humic acid 25%, biogas residue 10%, woody peat 10%, potassium sulfate 5%;
[0050] Proportion 2: 40% phosphogypsum, 10% weathered coal, 25% humic acid, 10% biogas residue, 10% woody peat, 5% potassium sulfate;
[0051] Proportion 3: phosphogypsum 40%, weathered coal 15%, humic acid 20%, biogas residue 10%, woody peat 10%, potassium sulfate 5%;
[0052] Proportion 4: 40% phosphogypsum, 10% weathered coal, 20% humic acid, 15% biogas residue, 10% woody peat, 5% potassium sulfate;
[0053] Proportion five: 40% phosphogypsum, 10% weathered coal, 20% humic acid, 10% biogas residue, 15% woody peat, 5% potassium sulfate.
[0054] (2) Specific operation steps
[0055] 20 days before rotary plowing and land preparation, choose to sp...
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