A kind of preparation method of corn stover composite matrix
A technology of corn stalks and composite substrates is applied in the directions of planting substrates, botanical equipment and methods, culture medium, etc., which can solve the problems of high transportation cost, large investment, and difficulty in obtaining materials, so as to protect the ecological environment, save natural resources, Highly reproducible effect
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[0064] The preparation method of the corn stalk composite matrix includes: crushing, using a high-efficiency pulverizer to crush the corn stalks into particles with a particle size of 0.1-0.5 cm, so as to facilitate subsequent stacking and decomposing; configuring a solution, preparing 1.8-2.0 times the weight of the straw water, add 0.5-0.8% urea accounting for the weight fraction of the straw in the water to adjust the carbon-nitrogen ratio; When the corn stalks are suitable for decomposing; for stacking, the corn stalks are stacked into stacks with a width of 2 meters and a height of 1.5 to 1.6 meters, and they are sealed tightly with plastic film; turn over, after the temperature reaches 50°C, turn over once every 7 days in summer and 8 days in winter. Turn the pile once every 12 days, replenish the solution to maintain the water content, and it takes 25-32 days in summer to make the corn stalks black, bad, and the fibers are softened and degraded to become decomposed, and ...
Embodiment 1
[0093] The preparation method of the corn stalk composite matrix includes: crushing, using a high-efficiency grinder to crush the corn stalks into particles with a particle size of 0.3 cm, so as to facilitate subsequent stacking and decomposing; configuring a solution, preparing water 2.0 times the weight of the straw, and Add 0.0.8% urea to the water to adjust the carbon-to-nitrogen ratio; add the solution, pour the prepared solution into the granular corn stalks, so that the water content of the corn stalks is 65%. At this time, the corn stalks are suitable Decomposing; stacking, stacking corn stalks into stacks with a width of 2 meters and a height of 1.5 to 1.6 meters, and sealing them tightly with plastic film; turning the piles, supplementing the solution to maintain water content, making the corn stalks black, bad, and fibers softened and degraded That is, it is decomposed; for disinfection, add 60 grams of trichlorfon and 100 grams of carbendazim to each cubic meter of ...
Embodiment 2
[0105] The following will compare tomato seedlings in terms of fresh weight above ground, fresh weight below ground, dry weight above ground, dry weight below ground, stem diameter, plant height, seedling strength index, chlorophyll content, and root activity.
[0106] The composite substrate of the present invention is verified by tomato planting. Through experiments, the influence of the corn stalk composite substrate of the present invention on the growth of tomato seedlings is shown in Table 2.
[0107] Table 2 The effect of corn straw composite substrate on the growth of tomato seedlings
[0108]
[0109]
[0110] It can be seen from Table 2 that when the composite matrix of corn stalk: river sand (volume ratio) = 8:2 was compared with the composite matrix of peat: vermiculite (volume ratio) = 2:1 on the growth of tomato seedlings, the aboveground fresh Corn stalks: river sand (volume ratio) = 8:2 composite matrix Both are higher than peat: vermiculite (volume rati...
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