【摘要】：為考察生物炭基保水劑對(duì)土壤及作物的作用效果,利用自制的生物炭基保水劑,采用鋁盒法和盆栽法探討了不同種類保水劑對(duì)土壤持水保水性能及油菜生長(zhǎng)的影響。結(jié)果表明:施用生物炭基保水劑可以有效提高土壤的持水保水性能,提高油菜的地上生物量及水分利用效率;生物炭基保水劑B作用效果最優(yōu),與對(duì)照相比,土壤飽和含水率提高13.54%,土壤水分蒸發(fā)速率降低31.98%,油菜地上生物量增加30%~50.1%,土壤水分利用效率提高56.7%~110.9%,本研究可為低成本、高效保水劑的開發(fā)及應(yīng)用提供參考。
[Abstract]:In order to investigate the effect of biological carbon based water retaining agent on soil and crops, the effects of different kinds of water retaining agent on soil water holding capacity and rape growth were studied by aluminum box method and pot planting method. The results showed that the application of biological carbon based water retaining agent could effectively improve the water holding and water retention performance of soil and improve the above ground biomass and water use efficiency of rape. Compared with the control, the saturated soil moisture content increased by 13.54%, the soil water evaporation rate decreased by 31.98%, the above-ground biomass of rapeseed increased by 30% 鈮，

本文編號(hào)：2509188