RukeyanmuMAITISIDIKE,Zouhereguli,ZHONG Yaxuan,et al.Effects of Different Fertilization on the Stability of Soil Aggregate in Pear Orchard[J].Northern Horticulture,2022,(07):91-98.[doi:10.11937/bfyy.20214100]
不同施肥对梨园土壤团聚体稳定性的影响
- Title:
- Effects of Different Fertilization on the Stability of Soil Aggregate in Pear Orchard
- 文献标志码:
- A
- 摘要:
- 以不同施肥处理的３个梨园土壤为研究对象，采用干筛法和湿筛法，研究不同施肥处理对0~60 cm土层梨园土壤团聚体的质量分布比例及其稳定性的影响，以期为库尔勒梨园土壤合理施肥提供参考依据。结果表明：在干筛条件下，与CK相比，NPK+BIO处理显著提高0~20 cm，20~40 cm和40~60 cm土层>2 mm、0.25~2 mm团聚体含量（P＜0.05），增幅为62.00%、59.98%（0~20 cm），12.15%、22.71%（20~40 cm）和22.40%、29.61%（40~60 cm）；显著降低0.053~0.25 mm、＜0.053 mm团聚体含量（P＜0.05），降幅为35.98%、43.86%，48.70%、67.65%和40.63%、33.16%，DR0.25含量占总数量的70.87%，78.87%和75.61%。湿筛条件下，NPK+BIO处理显著提高0~20 cm和20~40 cm土层>2 mm、0.25~2 mm团聚体含量（P＜0.05），增幅为47.56%、6.15%（0~20 cm）和28.43%、6.43%（20~40 cm）；显著降低0.053~0.25 mm微团聚体含量（P＜0.05），降幅为27.70%和15.77%，WR0.25含量占总数量的60.41%和58.75%。在0~20 cm土层中，＞2 mm机械稳定性团聚体含量与DR0.25、平均质量直径均呈极显著正相关关系（P＜0.01），＞2 mm水稳性团聚体含量与平均质量直径、几何平均直径与WR0.25均呈显著正相关关系（P＜0.05）。相对于对照（CK），化肥配施生物有机肥（NPK+BIO）能够提高土壤大团聚体含量，是改善梨园土壤结构的有效措施。
- Abstract:
- Taking three pear orchard soils with different fertilization treatments as the research objects，the dry sieving and wet sieving method were used,the effects of different fertilization treatments on the weight distribution ratio and stability of soil aggregates in pear orchards in the 0-60 cm soil layer were stuided,in order to provide reference for the rational fertilization of soil in Korla pear orchard.The results showed that,under the dry sieving conditions,compared with CK,NPK+BIO treatment significantly increased the of 0-20 cm,20-40 cm and 40-60 cm soil layers >2 mm、0.25-2 mm aggregate content （P<0.05）,the increase by 62.00%、59.98% (0- 20 cm),12.15%、22.71% (20-40 cm) and 22.40%、29.61%（40-60 cm）；significantly reduce the content of 0.053-0.25 mm and <0.053 mm components （P<0.05）,the decrease by 35.98%、43.86% ，48.70%、67.65% and 40.63%、33.16%,the content of DR0.25 accounts for 70.87%,78.87% and 75.61% of the total quantity.Under the wet sieving conditions,NPK+BIO treatment significantly increased the of 0-20 cm and 20-40 cm soil layers>2 mm、0.25-2 mm aggregate content（P<0.05）,the increase by 47.56%、 6.15% (0-20 cm) and 28.43%、6.43% (20-40 cm),significantly reduce the content of 0.053-0.25 mm the micro-aggregates（P<0.05）,the reduction by 27.70% and 15.77%,the content of WR0.25 accounted for 60.41% and 58.75% of the total quantity.In the 0-20 cm soil layer >2 mm mechanically stable aggregates content showed an extremely significant positive correlation with the DR0.25 and MWD,>2 mm water stable aggregates content showed an significant positive correlation with the MWD,GMD and WR0.25.Compared with the control（CK）,chemical fertilizer combined with bio-organic fertilizer (NPK+BIO) could increase the content of soil macro aggregates and effective measure to improve the soil structure of pear orchards.
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备注/Memo
第一作者简介：如克艳木?买提司地克（1994-），女，硕士研究生，研究方向为植物营养学。E-mail：2721058773@qq.com.责任作者：艾克拜尔?伊拉洪（1963-），男，博士，教授，博士生导师，现主要从事土壤化学与植物营养学等研究工作。E-mail：akbarilahun@163.com.基金项目：新疆维吾尔自治区农办新技术推广资助项目（2216QJSTG）。收稿日期：2021-10-08