Rehabilitación de un suelo salino con yeso agrícola en un cultivo de nogal en el Valle del Yaqui

IF 0.3 Q4 AGRONOMY
Alma María Trasviña Barriga, Rafael Borquez Olguin, José Leal Almanza, L. Espinoza, M. A. G. Coronado
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引用次数: 8

Abstract

Pecans are cultivated extensively in the Yaqui Valley, Sonora. These soils often have problems of salinity and high concentrations of exchangeable sodium, which cause a decline in pecan productivity. At the end of the season of irrigation with water from the system of reservoirs on the Yaqui River, groundwater is generally used from May to August. This can result in salt accumulation in the soil when water is of poor quality. Gypsum has been used as an amendment to rehabilitate soil by improving its physical and chemical properties. The main objective of this study was to investigate the effect of gypsum application to a saline soil of a pecan orchard in the Yaqui Valley. Rehabilitation was carried out for two consecutive years. In the first year a dose of 5 and 10 Mg ha‑1 was applied, while in the second year 2 Mg ha‑1 of gypsum was used. Two ridge washings were done after each aplication. The physico-chemical analyses of the soil were conducted following NOM-021-RECNAT-2000 during three years prior to and after the applications of amedment. Once the amendement was applied, the values of electrical conductivity decreased from 12.41 to 6.29 dS m-1, percentage of exchangeable sodium from 12.48 to 5.57 and sodium adsorption ratio from 10.54 to 4.88 at the depth of 0-30 cm. The use of agricultural gypsum and washing in a saline soil of the pecan orchard improved soil chemical properties using 5 and 10 Mg ha-1.
在雅基山谷的一个核桃园用农业石膏修复盐碱地
山核桃在索诺拉的雅基山谷被广泛种植。这些土壤经常有盐碱化和交换性钠浓度高的问题,这导致山核桃产量下降。崖溪河水库系统灌溉季节结束后,一般在5 - 8月使用地下水。当水质差时,这可能导致土壤中盐的积累。石膏作为一种改良剂,通过改善土壤的物理和化学性质来修复土壤。本研究的主要目的是研究石膏在雅桂河谷山核桃园盐碱地上的施用效果。康复工作连续进行了两年。第一年分别使用5和10 Mg ha - 1,第二年使用2 Mg ha - 1的石膏。每次应用后进行两次脊洗。采用nom -021- recat -2000对土壤进行了理化分析,前后三年进行了改良。在0 ~ 30 cm深度,电导率由12.41降至6.29 dS - m-1,交换钠率由12.48降至5.57,钠吸附比由10.54降至4.88。在山核桃园盐碱土中使用5和10 Mg ha-1的农业石膏和洗涤改善了土壤的化学性质。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Terra Latinoamericana
Terra Latinoamericana Environmental Science-Ecology
CiteScore
1.10
自引率
0.00%
发文量
49
审稿时长
16 weeks
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