Showing 8,421 - 8,440 results of 102,462 for search '(( 50 ((ppm decrease) OR (mean decrease)) ) OR ( 5 ((ng decrease) OR (a decrease)) ))', query time: 1.24s Refine Results
  1. 8421

    Changes in paddy soil fertility in Thailand due to the Green Revolution during the last 50 years by Junta Yanai (682974)

    Published 2020
    “…In particular, the available P content dramatically increased from 3.19 to 42.8 mg kg<sup>–1</sup>, reflecting the rapid increase in fertilizer application. Contrarily, the mean exchangeable Mg and clay content values decreased significantly (p < 0.05). …”
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