CO_2施肥残渣对菜薹产量和品质的影响

Effects of CO_2 Enrichment by Fermentation of Organic Wastes on Yield and Quality of Brassica parachinensis

为探讨CO2施肥残渣资源化利用的途径,设计了商品有机肥、CO2施肥残渣和不施肥3种处理对菜薹产量和品质的影响。试验结果表明,施用CO2施肥残渣能明显提高菜薹的产量,其中CO2施肥残渣处理下的菜薹主薹产量与商品有机肥处理的相当,施用CO2施肥残渣会提高菜薹硝酸盐含量,因此建议在施用CO2施肥残渣时应配施一定量的钾肥,以降低蔬菜硝酸盐含量。

In order to explore the utilization way of the compost by the fermentation of organic wastes, we designed the commercial organic fertilizer treatment, the compost （C02 enrichment） treatment and no fertilizer treatment, and studied their effects on the yield and quality of Brassica parachinensis The results showed that the yield of B. parachinensis was significantly increased by applying the compost, and the main-stalk yields of the compost and commercial organic fertilizer treatments were the same. The nitrate content in B. parachinensis was increased after applying the compost, and it was recommended that a certain amount of potassium fertilizer should be used with the compost to reduce the nitrate content in vegetables.