Soil ecological restoration agent for continuous cropping obstacles of sand-pressed watermelons and preparation method thereof
A technology for ecological restoration and continuous cropping obstacles, applied in the field of soil remediation, can solve the problems of chemical amendments that are not easily degraded, the improvement effect is not obvious, and pollute the environment, so as to improve the physical and chemical properties of soil, overcome soil continuous cropping obstacles, and optimize the soil environment.
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Embodiment 1
[0036] Embodiment 1 Can find out from Table 1-2 of different treatment growth index, yield and soil microbial flora, pathogenic bacteria measurement result table 1-2 of pressed sand watermelon, the effect of soil conditioner Attapulgite H4 is the most remarkable, and the price is cheap, and each index all exceeds Ordinary cultivation medium H2, followed by palm fruit biochar H3, treatment H5, the effect of applying Nang Bowang compound microbial fertilizer to a single hole is also significant, and different treatments have obvious effects on soil improvement and sand-pressing watermelon production. After the palm fruit biochar and attapulgite were mixed with Nang Bowang compound microbial fertilizer respectively, in general, the treatment of H7 (palm fruit biochar + Nang Bowang compound microbial fertilizer), H8 (attapulgite + Nang Bowang compound microorganism Fertilizer) had the best effect, and the number of pathogenic bacteria (Fusarium oxysporum) was significantly reduced,...
Embodiment 2
[0044] Embodiment 2 can find out from table 3-4 that different treatment growth index, disease prevention effect, output and soil microbial flora, pathogenic bacteria assay result table 3-4 from pressed sand watermelon, process N1 (nang Bowang compound microbial fertilizer+endogenous trichoderma biological preparation ), treatment N4 (attapulgite + endogenous Trichoderma biological agent) had the most significant effect on the control and yield increase of Fusarium wilt, followed by N3 (palm fruit biochar + endogenous Trichoderma biological agent), N5 (substrate + endogenous wood oxysporum biological agent), N6 is a single application of endogenous Trichoderma biological agent and the disease prevention effect is also good; the number of pathogenic bacteria (Fusarium oxysporum) in different treatments is significantly reduced, and other indicators are also better than N7 (composite fertilizer) , N8 (blank control); further determined the soil treatment agents, microbial pestici...
Embodiment 3
[0052] Embodiment 3 can find out from table 5-6 of different treatment growth index, disease prevention effect, yield and soil microbial flora, pathogenic bacteria assay result table 5-6 of pressed sand watermelon, handle M4 to fusarium wilt prevention and control (85.66%) and yield increase effect (37.7%) %) and soil conditioning effect are the most significant, and the number of pathogenic bacteria (Fusarium oxysporum) is the least; followed by treatment M3, M2, M1, the indicators of different treatments are better than M5 (compound fertilizer), M6 (blank control). To sum up, the soil ecological restoration agent selected as the best combination to overcome the sand-pressed watermelon continuous cropping obstacle is M4 (attapulgite 200g + palm fruit biochar 20g + endogenous Trichoderma biological preparation 5g + Nang Bowang compound microbial fertilizer 200g + Anke 12g) , can effectively prevent and control sand melon wilt, help adjust the soil micro-ecological environment, ...
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