Straw biochar based pot cultivation media and system for vegetables
A technology of straw biology and cultivation substrate, which is applied in the field of agriculture, can solve the problems of lack of vegetable growth and development characteristics and demand for cultivation substrate, and achieve the effects of benefiting crop root development, reducing soil bulk density, and alleviating soil nutrient loss
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[0037] Example 1
[0038] A straw biochar-based vegetable pot cultivation substrate. Four layers of different substrates are laid from bottom to top. The volume fraction includes: 40% substrate layer, 20% organic fertilizer layer, 25% root promoting layer, and seed bed. The substrate layer is composed of modified straw biochar, river mud and long-acting nitrogen fertilizer with a mass ratio of 4:15:1; the organic fertilizer layer is composed of decomposed straw, organic fertilizer and fine-grained straw with a mass ratio of 1:6:3. It is composed of river sand; the root-promoting layer is composed of modified straw biochar, compound fertilizer and kaolin with a mass ratio of 2:3:5; the seed bed layer is composed of peat, vermiculite and perlite with a mass ratio of 8:1:1.
[0039] The preparation method of modified straw biochar used in Example 1 includes the following steps:
[0040] (1) Take crop stalks, air-dry and crush them to 3-5cm sections;
[0041] (2) Put the crushed crop sta...
Example Embodiment
[0045] Example 2
[0046] A straw biochar-based vegetable pot cultivation substrate. Four layers of different substrates are laid from bottom to top. The volume fraction includes: 25% substrate layer, 25% organic fertilizer layer, 30% root promoting layer, and seed bed. The substrate layer is composed of modified straw biochar, river mud and long-acting nitrogen fertilizer with a mass ratio of 4:15:1; the organic fertilizer layer is composed of decomposed straw, organic fertilizer and fine-grained straw with a mass ratio of 1:6:3. It is composed of river sand; the root-promoting layer is composed of modified straw biochar, compound fertilizer and kaolin with a mass ratio of 2:3:5; the seed bed layer is composed of peat, vermiculite and perlite with a mass ratio of 8:1:1.
[0047] The preparation method of modified straw biochar used in Example 2 includes the following steps:
[0048] (1) Take crop stalks, air-dry and crush them to 3-5cm sections;
[0049] (2) Put the crushed crop sta...
Example Embodiment
[0053] Example 3
[0054] A straw biochar-based vegetable pot cultivation substrate. Four layers of different substrates are laid from bottom to top. The volume fraction includes: substrate layer 55%, organic fertilizer layer 15%, root promoting layer 20%, seed bed The substrate layer is composed of modified straw biochar, river mud and long-acting nitrogen fertilizer with a mass ratio of 4:15:1; the organic fertilizer layer is composed of decomposed straw, organic fertilizer and fine fertilizer with a mass ratio of 1:6:3. It is composed of river sand; the root-promoting layer is composed of modified straw biochar, compound fertilizer and kaolin with a mass ratio of 2:3:5; the seed bed layer is composed of peat, vermiculite and perlite with a mass ratio of 8:1:1.
[0055] The preparation method of the modified straw biochar used in Example 3 includes the following steps:
[0056] (1) Take crop stalks, air-dry and crush them to 3-5cm sections;
[0057] (2) Put the crushed crop stalks ...
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