Ecologic conditioner for salt-affected soil by sea and preparation method and application of ecologic conditioner
A technology of improver and salinization, applied in the field of soil ecological improver, can solve the problems of large difference in application effect, lack of structure and biological activity of coastal saline soil, and achieve the promotion of establishment and maintenance, mitigation of heavy metal pollution, and improvement of The effect of fertilizer use efficiency
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[0048] Example 1
[0049] An ecological amendment for coastal saline soil, which is characterized in that it comprises the following components, all of which are parts by weight:
[0050] 30 parts of exogenous beneficial microbial agents, 20 parts of soil beneficial microbial agents, and 10 parts of humic acid.
[0051] The above-mentioned coastal saline soil ecological amendment is prepared as follows:
[0052] (1) Preparation of exogenous beneficial microbial agents:
[0053] Strain activation
[0054] Take Trichoderma sp. T-304-1071 with the preservation number of CGMCC No. 5394, inoculate it in a PDA medium and culture at 26°C for 5 days to obtain activated Trichoderma sp. T-304-1071;
[0055] PDA medium: 200g potato, 20g glucose, 15g agar powder, 1000ml water.
[0056] Seed culture
[0057] Dilute the activated Trichoderma sp. T-304-1071 spores with sterile water and insert them into a 250ml Erlenmeyer flask containing 50ml PD medium, culture at 26℃, 180r / m, and shaking for 3 days to o...
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[0092] Example 2
[0093] An ecological amendment for coastal saline soil, which is characterized in that it comprises the following components, all of which are parts by weight:
[0094] 30 parts of exogenous beneficial microbial inoculum, 20 parts of soil beneficial microbial inoculum, 10 parts of humic acid, and 40 parts of crushed cotton straw. The length of the cotton stalk is 3-5 cm.
[0095] The preparation method of the coastal saline soil ecological amendment is as described in Example 1, the difference is that:
[0096] Exogenous beneficial microbial agent is Trichoderma spore content 7.3×10 8 cfu / g exogenous beneficial microorganisms;
[0097] Beneficial microbial agent for soil habitat is Aspergillus spore content 1.6×10 8 cfu / g beneficial microorganisms;
[0098] After mixing the exogenous beneficial microbial inoculum, the soil beneficial microbial inoculum, humic acid and crushed cotton straw in parts by weight, the coastal saline soil ecological improver is obtained.
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