Showing 141 - 160 results of 8,231 for search '(( 50 ((ngn decrease) OR (mean decrease)) ) OR ((( 50 n decrease ) OR ( 10 ng decrease ))))', query time: 0.67s Refine Results
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    Changes in paddy soil fertility in Thailand due to the Green Revolution during the last 50 years by Junta Yanai (682974)

    Published 2020
    “…To compare the fertility-related data of the samples with those of soils collected from 1964 to 1972, the sampling sites in the 2010s were placed at or near the same locations of the original sites. Over the last 50 years, the mean pH, total C, total N, available N, available P, and exchangeable K values increased significantly (p < 0.01). …”
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