Annual research bulletin of the Chiba Prefectural Agriculture and Forestry Research Center
Online ISSN : 2185-1808
Print ISSN : 1883-5295
Changes in Nutrient Levels over Time in Major Farmland Soil Types in Chiba Prefecture, and Analysis of Related Factors
[in Japanese][in Japanese][in Japanese]
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JOURNAL OPEN ACCESS

2017 Volume 2017 Issue 9 Pages 31-41

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[in Japanese]
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© 2017 Chiba Prefectural Agriculture and Forestry Research Center
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