干旱区生态环境知识资源中心(Arid): ASSESSMENT OF SOIL AGGREGATE STABILITY METHODOLOGIES IN CALCAREOUS SILT LOAMS

Arid

DOI	10.13031/ja.15650
	ASSESSMENT OF SOIL AGGREGATE STABILITY METHODOLOGIES IN CALCAREOUS SILT LOAMS
	Yost, Jenifer L.; Kruger, Kevin; Bjorneberg, David L.; Dungan, Robert S.; Leytem, April B.; Moore, Amber D.; Schott, Linda R.
通讯作者	Yost, JL
来源期刊	JOURNAL OF THE ASABE
ISSN	2769-3295
EISSN	2769-3287
出版年	2024
卷号	67 期号:4 页码:879-887
英文摘要	. Idaho's Magic Valley is a highly productive agricultural region in the United States due to irrigation. The soils in this region are prone to crusting, have low organic matter, and are high in calcium carbonates, making them susceptible to erosion and water runoff. Soils need to be better managed to enhance aggregate stability to enable increased infiltration of irrigation water and decreased soil erosion in nearby waterways. However, to make management recommendations, the identification of appropriate measurements of aggregate stability needs to be identified, and few relevant studies exist. Thus, the overall goal of this project was to identify appropriate methods for the assessment of soil aggregate stability in the study region. The study sites were located in Southern Idaho and set up using common cropping rotations and agricultural management practices for the region using a variety of nutrient sources, tillage types, and cover cropping. Three methods were used to measure soil aggregate stability: wet sieving, simulated rainfall using a Cornell Sprinkle Infiltrometer (sprinkler height: 30, 90, and 150 cm), and the SLAKES mobile application. No differences in soil aggregate stability were found when the wet sieving or SLAKES methods were used at the three study sites, either due to the method or a general lack of differences between treatments. When using the Cornell Sprinkle Infiltrometer, no treatment differences were found at LT-Manure or GRACEnet; however, differences were observed between treatments at the Cover Crop study site at sprinkler heights of 30 and 90 cm. At a sprinkler height of 30 cm, the average mean weight diameter was the highest when winter forage crops (WFC) and solid dairy manure (SDM) were applied (3.73 mm) and the lowest in the control (3.12 mm). At a sprinkler height of 90 cm, the average mean weight diameter was the highest when WFC and SDM were applied (3.54 mm) and the lowest in the WFC Only treatment (2.46 mm). These results not only have implications for which methods are best for assessing progress but also for what management practices can be utilized to decrease soil erosion from irrigated cropland. This study highlighted that under these soils and management practices, simply increasing soil carbon does not increase aggregate stability, especially when root crops are included in the crop rotation with intensive tillage. In arid and semi-arid regions, the Cornell Sprinkle Infiltrometer may be a more sensitive method of measuring soil aggregate stability compared to traditional wet sieving.
英文关键词	Agricultural management practices Calcareous soils Mean weight diameter Slake test Soil aggregate stability
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001296912600006
WOS关键词	DAIRY-CATTLE MANURE ; COVER CROPS ; IMPACT ; CARBON ; TILLAGE ; QUALITY ; FURROW ; IRRIGATION ; INDICATORS ; MANAGEMENT
WOS类目	Agricultural Engineering
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/404725
推荐引用方式 GB/T 7714	Yost, Jenifer L.,Kruger, Kevin,Bjorneberg, David L.,et al. ASSESSMENT OF SOIL AGGREGATE STABILITY METHODOLOGIES IN CALCAREOUS SILT LOAMS[J],2024,67(4):879-887.
APA	Yost, Jenifer L..,Kruger, Kevin.,Bjorneberg, David L..,Dungan, Robert S..,Leytem, April B..,...&Schott, Linda R..(2024).ASSESSMENT OF SOIL AGGREGATE STABILITY METHODOLOGIES IN CALCAREOUS SILT LOAMS.JOURNAL OF THE ASABE,67(4),879-887.
MLA	Yost, Jenifer L.,et al."ASSESSMENT OF SOIL AGGREGATE STABILITY METHODOLOGIES IN CALCAREOUS SILT LOAMS".JOURNAL OF THE ASABE 67.4(2024):879-887.