GAO Xin,SUO Quanyi,WANG Ruiqing,et al.Effect of Bio-organic Saline-alkali Conditioner on Soil Chemical Properties[J].Northern Horticulture,2018,42(10):103-107.[doi:10.11937/bfyy.20172932]
生物有机型盐碱土调理剂对土壤化学性质的影响
- Title:
- Effect of Bio-organic Saline-alkali Conditioner on Soil Chemical Properties
- Keywords:
- conditioner; saline-alkaline soil; pH; EC value; nutrient
- 文献标志码:
- A
- 摘要:
- 以生物有机型盐碱土调理剂为试材，采用田间试验方法，研究了不同用量生物有机型盐碱土调理剂对土壤化学性质的影响，以期为调理剂在生产中的应用奠定基础。结果表明：生物有机型盐碱土调理剂能够改善盐碱土性质，且调理剂9 t?hm-2的用量效果更好。施用调理剂能显著降低土壤（0～20 cm）pH、EC值，提高土壤有效养分含量。与不施肥相比，pH降低0.23～0.29个单位；EC值降低0.08～0.14 dS?m-1。调理剂9 t?hm-2处理的碱解氮含量显著高于其它处理，与复合肥相比，在0～10 cm高出30.56%，10～20 cm高出45.86%；其余有效养分较6 t?hm-2处理也有提高趋势。施用调理剂对改良可溶性盐基离子组成也有明显效果，与不施肥及施用复合肥相比，Ca2+、Mg2+及SO42-含量显著提高，Na+、HCO3-、Cl-含量显著下降。
- Abstract:
- The bio-organic saline-alkali soil conditioner was used as the test material and field experiments were conducted,the effects of different amounts of bio-organic saline-alkali soil conditioners on the chemical properties of the soil were studied in order to lay a foundation for the application of conditioners in production.The results showed that the bio-organic saline-alkali soil conditioner could improve the properties of saline-alkaline soil,and the amount of conditioner 9 t?hm-2 was more effective.Application of conditioner could significantly reduce the soil (0-20 cm) pH,conductivity and increase soil nutrient content.Compared with no fertilization,the pH decreased by 0.23 to 0.29 units;the EC value decreased by 0.08 to 0.14 dS?m-1.The content of alkali-hydrolyzed nitrogen of conditioner 9 t?hm-2 was significantly higher than that of other treatments.Compared with compound fertilizer,it was 30.56% higher at 0-10 cm and 45.86% higher at 10-20 cm;the remaining effective nutrients were higher than 6 t?hm-2treatment also had an increasing trend.The use of conditioners also had significant effects on improving the composition of soluble base ions.Compared with no fertilizer application and application of compound fertilizer,the contents of Ca2+,Mg2+ and SO42- were significantly increased,and the concentrations of Na+,HCO3- and Cl- were significantly decreased.
参考文献/References:
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备注/Memo
第一作者简介：高昕（1993-），女，山西忻州人，硕士研究生，研究方向为土壤肥力与植物营养。E-mail：1241511547@qq.com.责任作者：索全义（1962-），男，博士，教授，现主要从事土壤肥力与植物营养等研究工作。E-mail：paul98@sina.com.基金项目：国家自然科学基金资助项目（31660362）。收稿日期：2018-03-12