Effects of Soil Amendments on Production Performance of Oat in Qaidam Saline-Alkali Soils

doi:10.11733/j.issn.1007-0435.2026.04.029

Acta Agrestia Sinica ›› 2026, Vol. 34 ›› Issue (4): 1483-1491.DOI: 10.11733/j.issn.1007-0435.2026.04.029

Effects of Soil Amendments on Production Performance of Oat in Qaidam Saline-Alkali Soils

NIU Yu-lin¹, TONG Zong-yong², CHEN Peng-wei¹, QING Yan¹

1. Academy of Animal and Veterinary Sciences, Qinghai University, Qinghai Academy of Animal and Veterinary Sciences, Xining, Qinghai Province 810016, China;
2. Institute of Animal Science of Chinese Academy of Agricultural Science, Beijing 100193, China

Received:2025-05-07 Revised:2025-07-03 Published:2026-04-15

土壤改良剂对柴达木盐碱地燕麦生产性能的影响

牛浴林¹, 仝宗永², 陈鹏伟¹, 秦燕¹

1. 青海大学畜牧兽医科学院, 青海省畜牧兽医科学院, 青海西宁 810016;
2. 中国农业科学院北京畜牧兽医研究所, 北京 100193

通讯作者: 秦燕，E-mail：mule119@163.com
作者简介:牛浴林（1998-），男，汉族，青海互助人，硕士研究生，主要从事牧草育种与栽培研究，E-mail：1468209515@qq.com；
基金资助:
柴达木盆地盐碱地土壤培肥关键技术研究（2023-NK-A3-B2）资助

Abstract

Abstract: The Qaidam Basin is a typical inland arid saline basin in China， characterized by high soil salinity and harsh plant growth conditions. Soil amendment is therefore of great significance for the rational development and utilization of saline-alkali land. This study focused on oat （Avena sativa） grown with the application of four soil amendments （single superphosphate， potassium humate， cattle manure+desulfurized gypsum， and attapulgite） to analyze oat production performance and nutritional quality， aiming to identify the ideal soil amendment for saline-alkali soils in the Qaidam Basin. The results showed that oat treated with single superphosphate achieved greater plant height， stem diameter， and forage yield， measuring 107.57 cm， 3.47 mm， and 1001.00 g·m^-2， respectively. Oat treated with potassium humate exhibited higher crude fat and water-soluble carbohydrate content， at 3.15% and 25.40% respectively， while its acid detergent fiber and neutral detergent fiber content were lower. Piecewise Structural Equation Modeling （SEM） analysis indicated that the soil amendments affected nutritional quality by influencing forage yield and stem diameter. The TOPSIS multi-criteria decision model demonstrated that oat treated with single superphosphate had superior production performance and nutritional quality， which is the ideal soil amendment for application in saline-alkali soils of the Qaidam Basin.

Key words: Soil amendments, Qaidam Basin, Oat, Nutritional quality, Comprehensive evaluation

摘要： 柴达木盆地是我国典型的内陆干旱盐渍化盆地，土壤盐分高，植物生长条件恶劣，进行土壤改良对于合理开发利用盐碱地具有重要意义。本研究以4种土壤改良剂（过磷酸钙、腐殖酸钾、牛粪+脱硫石膏、凹凸棒）添加后的燕麦（Avena sativa）为研究对象，分析燕麦的生产性能和营养品质，筛选出适宜在柴达木盆地盐碱地中添加的理想土壤改良剂。结果表明：施入过磷酸钙的燕麦株高、茎粗、草产量较高，分别为107.57 cm，3.47 mm，1001.00 g·m^-2；施入腐殖酸钾的燕麦的粗脂肪和可溶性碳水化合物的含量较高（分别为3.15%和25.40%），而酸性洗涤纤维和中性洗涤纤维含量较低。分段式结构方程模型（Structural Equation Modeling，SEM）分析表明，土壤改良剂通过影响饲草产量和茎粗进而影响营养品质，理想解排序法（Technique for order preference by similarity to ideal solution，TOPSIS）-多准则决策模型表明，施入过磷酸钙的燕麦的生产性能和营养品质较优，过磷酸钙是适宜在柴达木盆地盐碱地中添加的理想土壤改良剂。

关键词: 土壤改良剂, 柴达木盆地, 燕麦, 营养品质, 综合评价

CLC Number:

S544.9

NIU Yu-lin, TONG Zong-yong, CHEN Peng-wei, QING Yan. Effects of Soil Amendments on Production Performance of Oat in Qaidam Saline-Alkali Soils[J]. Acta Agrestia Sinica, 2026, 34(4): 1483-1491.

牛浴林, 仝宗永, 陈鹏伟, 秦燕. 土壤改良剂对柴达木盐碱地燕麦生产性能的影响[J]. 草地学报, 2026, 34(4): 1483-1491.

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Effects of Soil Amendments on Production Performance of Oat in Qaidam Saline-Alkali Soils

土壤改良剂对柴达木盐碱地燕麦生产性能的影响

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