氨基酸复合肥对盐碱土理化性状的改良效果
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作者单位:

(1.内蒙古农业大学农学院,内蒙古 呼和浩特 010019;2.内蒙古呼和浩特市武川县农牧和科技局水产管理站,内蒙古 呼和浩特 011700)

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张力(1994-),女,内蒙古呼和浩特市武川县人,在读硕士,研究方向为耕作制度与农业生态系统。E-mail:760831582@qq.com。

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基金项目:内蒙古自治区主席基金项目与内蒙古自治区重大科技专项;内蒙古自治区“草原英才”创新团队项目;内蒙古自治区科技创新团队项目;全国农业科研杰出人才及其创新团队项目;现代农业产业技术体系建设专项(CARS-O8)。


Effect of amino acid compound fertilizer on physical and chemical properties of saline-alkali soil
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(1.College of Agronomy,Inner Mongolia Agricultural University,Hohhot Inner Mongolia 010019;2.Aquatic Management Station,Agriculture,Animal Husbandry and Science and Technology Bureau,Wuchuan County,Hohhot Inner Mongolia 011700)

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    摘要:

    为了明确氨基酸复合肥对盐碱地改良及燕麦增产效果,探究连续2年在大田试验条件下施用A3(2250 kg/hm2)、A2(1500 kg/hm2)、A1(750 kg/hm2)和CK(0 kg/hm2)4个氨基酸复合肥对盐碱地土壤理化性状及产量的影响。结果表明,盐碱地施用氨基酸复合肥后,0~40 cm土层直径>0.25 mm土壤团聚体含量提高了0.17%~9.08%;土壤质量含水率随施肥量的增加而增加,在燕麦拔节期效果最为显著,较对照提高12.34%。0~40 cm土层,土壤pH由8.84降为8.03,全盐含量由9.16 g/kg降为8.30 g/kg;土壤有机质、碱解氮、有效磷、速效钾的含量分别增加12.22%~27.36%、1.16%~9.50%、7.18%~39.66%和7.83%~35.56%。燕麦的籽粒与鲜、干草产量增加显著,增产49.38%~65.16%。以施用2250 kg/hm2氨基酸复合肥对改善盐碱地土壤理化性状与增产效果最明显。

    Abstract:

    In order to clarify the effect of amino acid compound fertilizer on improving saline-alkali land and increasing oat yield,field experiment was applied for two consecutive years with four treatments:A3(2250 kg/hm2),A2(1500 kg/hm2),A1(750 kg/hm2)and CK(0 kg/hm2)to study the effects of the four amino acid compound fertilizers on the physicochemical properties of saline-alkali soil and oat yield. The results showed that:after the application of amino acid compound fertilizer in saline-alkali land,the content of soil aggregates with diameter >0.25 mm increased by 0.17% ~9.08% in 0~40 cm soil layer. The soil water content increased with the increase of fertilizer application,the effect was most significant at the elongation stage of oat,which was 12.34% higher than CK. In 0~40 cm soil layer,the soil pH decreased from 8.84 to 8.03,and the total salt content decreased from 9.16 g/kg to 8.30 g/kg.The contents of soil organic matter,alkaline nitrogen,available phosphorus and available potassium increased separately from 12.22 % to 27.36%,1.16% to 9.50%,7.18% to 39.66% and 7.83% to 35.56%. Oat grain,fresh grass and hay production increased significantly,increasing yields from 49.38% to 65.16%.The application of 2250 kg/hm2 amino acid compound fertilizer has the most obvious effect on improving the physicochemical properties of saline-alkali soil and increasing yield.

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张力,刘景辉,李辉,刘玉娥.氨基酸复合肥对盐碱土理化性状的改良效果[J].中国土壤与肥料,2021,(1):204-211.

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  • 收稿日期:2019-12-05
  • 最后修改日期:
  • 录用日期:2020-03-27
  • 在线发布日期: 2021-03-18