Matches in SemOpenAlex for { <https://semopenalex.org/work/W100917503> ?p ?o ?g. }
- W100917503 abstract "Soil quality and its determination have received much attention in recent years. A number of indicators have been suggested for inclusion in a minimum dataset for the determination of soil quality. The Conservation Reserve Program (CRP) provided an opportunity for evaluation of particulate organic matter as an indicator of changes in organic carbon. A site in Taylor county, Southwest Iowa that had been under CRP for 8 years was selected for this study. The predominant soils at the site are Clarinda (fine montmorillonitic, mesic typic Argiaquolls) silty clay loam and Clearfield (fine montmorillonitic, mesic haplaquoll). The field was plowed in mid-June and maintained as a bare fallow until the end of the growing season. Soil samples were collected before plowing, three days after plowing and on a weekly basis thereafter. The objective of the study was to investigate temporal and spatial changes in particulate organic matter during the growing season. The following parameters were determined: whole soil total carbon and nitrogen, mineral fraction total carbon and nitrogen, particulate organic matter total carbon and nitrogen and pH. Results showed that total carbon in the whole soil sample declined in the upper depth (0 15 cm) and increased in the lower depth (15 30 cm) because of residue incorporation. 29 Fluctuations in whole soil and mineral fraction total carbon and particulate organic matter were observed during the season. Particulate organic matter declined contributed to a higher percentage of the whole soil organic carbon at the begining of the season than at the end. It is concluded that particulate organic matter is a sensitive indicator for assessing soil quality effects of post-CRP management practices." @default.
- W100917503 created "2016-06-24" @default.
- W100917503 creator A5070583093 @default.
- W100917503 date "2018-08-13" @default.
- W100917503 modified "2023-09-27" @default.
- W100917503 title "An assessment of diagnostic tools for improved soil and crop management" @default.
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