Soilless nutritive medium and preparation method thereof
A nutrient matrix and carbonization technology, which is applied in the field of soilless nutrient matrix and its preparation, can solve the problems that restrict the development, popularization and application of soilless cultivation technology, organization, cumbersome selection, labor intensity, etc., to improve the range and quality, reduce Environmental pollution and potential safety hazards, and the effect of improving efficiency
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Embodiment 1
[0077] A soilless nutrient matrix of the present invention is composed of the following components: 100g of carbonized grass powder; 450ml of binder; 1g of yeast; 150g of organic fertilizer; 1ml of nitric acid or phosphoric acid. The carbonized grass powder is carbonized straw; the binder is polyvinyl alcohol. Its preparation steps are,
[0078] (1), carbonize the straw into a strip shape corresponding to the size of the carbonization machine and store it as a raw material, and crush it to 20 mesh when used; take 100g of such crushed carbonized straw;
[0079] (2), 2499 or 1799PVA raw material is heated and dissolved in a dissolution tank to make 2% PVA aqueous solution 450ml, and cooled to normal temperature;
[0080] (3) Mix the above raw materials, add 1g of yeast, 1ml of nitric acid or phosphoric acid to make a slurry, pump it into the mold with a grouting pump or make planting bricks, blocks or boards through an extruder or a board machine, dry and wet Store in stock af...
Embodiment 2
[0082] A soilless nutrient matrix of the present invention is composed of the following components: 100g of carbonized grass powder; 500ml of binder; 2g of yeast; 100g of organic fertilizer; 1ml of nitric acid or phosphoric acid. The carbonized grass powder is carbonized straw; the binder is polyvinyl alcohol. Its steps are,
[0083] (1), carbonize the straw into a strip shape corresponding to the size of the carbonization machine and store it as a raw material, and crush it to 30 mesh when used; take 100g of such crushed carbonized straw;
[0084] (2), 2499 or 1799PVA raw materials are heated and dissolved in a dissolution tank to make 500ml of 3% PVA aqueous solution, and cooled to normal temperature;
[0085] (3) Mix the above raw materials, add 2g of yeast, 1ml of nitric acid or phosphoric acid to make a slurry, pump it into the mold with a grouting pump or make planting bricks, blocks or boards through an extruder or a board machine, dry and wet Store in stock after bal...
Embodiment 3
[0087] The components and their proportions by weight are as follows: 100 g of carbonized grass powder; 475 g of binder; 1.5 g of yeast; 125 g of organic fertilizer; 1 g of nitric acid or phosphoric acid. The carbonized grass powder is carbonized straw; the binder is polyvinyl alcohol; Its steps are,
[0088] (1), carbonize the straw into a strip shape corresponding to the size of the carbonization machine and store it as a raw material, and crush it to 25 mesh when used; take 100g of such pulverized carbonized straw;
[0089] (2), 2499 or 1799PVA raw materials are heated and dissolved in a dissolution tank to make 475ml of 2.5% PVA aqueous solution, and cooled to normal temperature;
[0090] (3) Mix the above raw materials, add 1.5g of yeast, 1ml of nitric acid or phosphoric acid to make a slurry, pump it into the mold with a grouting pump or make planting bricks, blocks or boards through an extruder or a board making machine, and dry them. Storage after humidity balance. ...
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