YIN Da-wei,WANG Jia-bo,JIN Liang,et al.Effect of Biochar on Soil Water Permeability,Nutrient Content of Albic Soil and Yield of Soybean[J].Soybean Science,2019,38(01):72-76.[doi:10.11861/j.issn.1000-9841.2019.01.0072]
生物炭对白浆土水分渗透性能、养分含量及大豆产量的影响
- Title:
- Effect of Biochar on Soil Water Permeability,Nutrient Content of Albic Soil and Yield of Soybean
- Keywords:
- Biochar; Albic soil; Water permeability ; Nutrients; Soybean
- 文献标志码:
- A
- 摘要:
- 白浆土理化与生物学性质恶化,严重降低了作物产量。生物炭具备独特的理化性质,具备改良白浆土的理论基础。不同用量生物炭对白浆土白浆层理化性质及大豆产量影响的研究结果表明:生物炭可增加白浆土白浆层水分渗透性能,A3处理的初始渗透率、平均渗透率、稳定渗透率、渗透总量分别为CK的3.64,2.75,2.89,3.03倍;生物炭增加了大豆各生育时期白浆土速效磷、速效钾、全氮、全磷、有机质含量;生物炭增加了大豆单株产量和
- Abstract:
- The physicochemical and biological properties of albic soil was deteriorated, which seriously reduced the crop yield. The biochar has unique physical and chemical properties, and has the theoretical basis for improving albic soil. This experiment was conducted to investigate the effects of different biochar dosages on the albic soil physicochemical properties and soybean yield. The results showed that biochar could increase the water permeability of albic soil. The initial infiltration rate, average infiltration rate, stable infiltration rate and total infiltration of A3 treatment were 3.64, 2.75, 2.89 and 3.03 times of CK respectively. The biochar increased the content of available phosphorus, available potassium, total nitrogen, total phosphorus and organic matter at different growth stages. The biochar increased the yield per plant and seed number per plant, the A2 and A3 yield increased by 61.83% and 58.45% respectively than the control, the seed number of treatment of A1-A3 were 18.8%, 48.8% and 51.2% higher than the control respectively.
参考文献/References:
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备注/Memo
收稿日期:2017-11-08