{"title":"不同耐酸性小麦品种对东部自由邦土壤施石灰的反应","authors":"H. van Zyl, C. du Preez","doi":"10.1080/02571862.2022.2137590","DOIUrl":null,"url":null,"abstract":"The sustainable production of wheat can be affected by soil acidity in the eastern Free State, South Africa. Liming of soil to appropriate acidity levels is therefore regarded as an essential farming practice. In some instances, however, planting of acid-tolerant wheat cultivars is recommended as an interim management measure. Hence, we evaluated the response (grain yield, grain protein content and hectoliter mass) of wheat cultivars with poor (Karee or Limpopo), moderate (SST 224 or Gariep) and good (Tugela DN) acid tolerance on soils (8–33% clay) over a range of lime-induced pH (KCl) values (3.7–5.7) under field conditions spanning 4 to 5 years. In Year 2 no data was collected due to staff shortages. Across the pH ranges, grain yields of the most acid-tolerant cultivars exceeded those of the moderately acid-tolerant cultivars by 29–54%, and those of the poorly acid-tolerant cultivars by 36–62%. Due to climatic conditions, larger differences in grain protein content were observed between years rather than between treatment combinations. Hectoliter mass, although influenced by treatment combinations, exceeded the threshold value of 76 kg hL−1. The results, especially of grain yield, proved the usefulness of acid-tolerant wheat cultivars during the initial stages of liming programs, until acceptable levels of soil acidity are reached.","PeriodicalId":21920,"journal":{"name":"South African Journal of Plant and Soil","volume":null,"pages":null},"PeriodicalIF":1.1000,"publicationDate":"2022-10-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Response of wheat cultivars with varying acid tolerances to liming of eastern Free State soils\",\"authors\":\"H. van Zyl, C. du Preez\",\"doi\":\"10.1080/02571862.2022.2137590\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The sustainable production of wheat can be affected by soil acidity in the eastern Free State, South Africa. Liming of soil to appropriate acidity levels is therefore regarded as an essential farming practice. In some instances, however, planting of acid-tolerant wheat cultivars is recommended as an interim management measure. Hence, we evaluated the response (grain yield, grain protein content and hectoliter mass) of wheat cultivars with poor (Karee or Limpopo), moderate (SST 224 or Gariep) and good (Tugela DN) acid tolerance on soils (8–33% clay) over a range of lime-induced pH (KCl) values (3.7–5.7) under field conditions spanning 4 to 5 years. In Year 2 no data was collected due to staff shortages. Across the pH ranges, grain yields of the most acid-tolerant cultivars exceeded those of the moderately acid-tolerant cultivars by 29–54%, and those of the poorly acid-tolerant cultivars by 36–62%. Due to climatic conditions, larger differences in grain protein content were observed between years rather than between treatment combinations. Hectoliter mass, although influenced by treatment combinations, exceeded the threshold value of 76 kg hL−1. The results, especially of grain yield, proved the usefulness of acid-tolerant wheat cultivars during the initial stages of liming programs, until acceptable levels of soil acidity are reached.\",\"PeriodicalId\":21920,\"journal\":{\"name\":\"South African Journal of Plant and Soil\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":1.1000,\"publicationDate\":\"2022-10-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"South African Journal of Plant and Soil\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/02571862.2022.2137590\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"AGRONOMY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"South African Journal of Plant and Soil","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/02571862.2022.2137590","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"AGRONOMY","Score":null,"Total":0}
引用次数: 1
摘要
南非自由邦东部的土壤酸度可能会影响小麦的可持续生产。因此,将土壤石灰化至适当的酸度水平被认为是一种必要的耕作方法。但在某些情况下,建议种植耐酸小麦品种作为临时管理措施。因此,我们在4 ~ 5年的田间条件下,对土壤(粘土含量为8-33%)耐酸性较差(Karee或Limpopo)、中等(SST 224或Gariep)和良好(Tugela DN)耐酸小麦品种在石灰诱导pH (KCl)值(3.7 ~ 5.7)范围内的响应(籽粒产量、籽粒蛋白质含量和千吨质量)进行了评价。在第二年,由于人员短缺,没有收集数据。在不同的pH值范围内,最耐酸品种的产量比中等耐酸品种高29-54%,较不耐酸品种的产量比中等耐酸品种高36-62%。由于气候条件的原因,籽粒蛋白质含量在不同年份之间的差异大于不同处理组合之间的差异。百升质量虽然受到处理组合的影响,但仍超过了76 kg hL−1的阈值。结果,特别是粮食产量,证明了耐酸小麦品种在石灰计划的初始阶段是有用的,直到土壤酸度达到可接受的水平。
Response of wheat cultivars with varying acid tolerances to liming of eastern Free State soils
The sustainable production of wheat can be affected by soil acidity in the eastern Free State, South Africa. Liming of soil to appropriate acidity levels is therefore regarded as an essential farming practice. In some instances, however, planting of acid-tolerant wheat cultivars is recommended as an interim management measure. Hence, we evaluated the response (grain yield, grain protein content and hectoliter mass) of wheat cultivars with poor (Karee or Limpopo), moderate (SST 224 or Gariep) and good (Tugela DN) acid tolerance on soils (8–33% clay) over a range of lime-induced pH (KCl) values (3.7–5.7) under field conditions spanning 4 to 5 years. In Year 2 no data was collected due to staff shortages. Across the pH ranges, grain yields of the most acid-tolerant cultivars exceeded those of the moderately acid-tolerant cultivars by 29–54%, and those of the poorly acid-tolerant cultivars by 36–62%. Due to climatic conditions, larger differences in grain protein content were observed between years rather than between treatment combinations. Hectoliter mass, although influenced by treatment combinations, exceeded the threshold value of 76 kg hL−1. The results, especially of grain yield, proved the usefulness of acid-tolerant wheat cultivars during the initial stages of liming programs, until acceptable levels of soil acidity are reached.
期刊介绍:
The Journal has a proud history of publishing quality papers in the fields of applied plant and soil sciences and has, since its inception, recorded a vast body of scientific information with particular reference to South Africa.