蚯蚓堆肥对小白菜生长、品质和土壤性质的影响

Effect of Wormcast Application on the Yield and Quality of Greengrocery and the Soil Characteristics

采用盆栽试验研究了蚯蚓堆肥对小白菜产量、品质及土壤性质的影响。结果表明,施用蚯蚓堆肥显著促进了小白菜植株生长,改善了小白菜品质。施用蚯蚓堆肥处理的小白菜,除了展开度外,小白菜的株高、茎基粗、绿叶数均显著高于施化肥的处理;产量比不施肥提高54.1%,比施化肥降低10.2%,维生素C和可溶性糖含量显著高于不施肥和施化肥处理。蚯蚓堆肥处理与对照比较,土壤速效N、P、K分别增加15.68、10.71、24.30 mg/kg;与化肥处理比较,土壤速效N、P、K分别降低4.68、7.16、0.70 mg/kg。蚯蚓堆肥的加入改变了土壤的容重,使土壤疏松,增加了土壤的透水性及防止土壤表面板结,改良了土壤结构。

The effect of wormcast application on the yield and quality of greengrocery and the soil characteristics was studied by the pots trial. The results indicated that wormcast application could increase greengrocery growth and promote quality. The plant height, stem diameter and green leaves with wormcast were preceded than that with traditional fertilization. The green- grocery yield in wormcast treatment was 54.1% higher than that in no fertilization treatment while it was 10.2% lower than that in traditional fertilization. The content of vitamin C and soluble sugar of greengrocery were highest in the wormcast appli- cation treatment. Compared with the contrast, the soil available nitrogen, phosphorous and potassium of the wormcast treat- ment increased by 15.68 mg/kg, 10.71 mg/kg and 24.30 mg/kg. Compared with the traditional fertilization, the soil available nitrogen, phosphorous and potassium decreased by 4.68 mg/kg, 7.16 mg/kg, and 0.70 mg/kg. The addition of wormeast changed the soil bulk density, loosened the soil, and increased the water permeability to prevent the sealing of soil, im- proved the structure of soil.