يعرض 61 - 80 نتائج من 10,335 نتيجة بحث عن '(( 50 we decrease ) OR ( 50 ((((mg decrease) OR (mean decrease))) OR (nn decrease)) ))', وقت الاستعلام: 0.67s تنقيح النتائج
  1. 61

    Changes in lowland paddy soil fertility in the Philippines after 50 years of the Green Revolution حسب Atsushi Nakao (12396)

    منشور في 2021
    "…<p>The Green Revolution (GR) made a major contribution to increasing the rice yield in the Philippines from 1.3 t ha<sup>−1</sup> in 1966 to 4.0 t ha<sup>−1</sup> in 2018, but the changes in paddy soil fertility that occurred during this 50-year period remain unknown. We collected 37 soil samples from the plow layers of paddy fields in Luzon, Leyte, Panay, and Mindanao in the Philippines in 2016 and 2017 (the ‘2010s’) and compared their fertility-related soil properties with published data for soil samples collected from the same or nearby sampling sites in 1969 (the ‘1960s’). …"
  2. 62
  3. 63

    Nitrogen nutrition is a key modulator of the sugar and organic acid content in citrus fruit حسب Ling Liao (385468)

    منشور في 2019
    "…Sucrose and ascorbic acid content increased (8.46 to 50.97 mg g<sup>-1</sup> and 8.16 to 27.39 mg g<sup>-1</sup>, respectively), while citric acid content decreased (90.81 to 0.02 mg g<sup>-1</sup>). …"
  4. 64
  5. 65
  6. 66
  7. 67
  8. 68
  9. 69
  10. 70
  11. 71
  12. 72
  13. 73
  14. 74
  15. 75
  16. 76
  17. 77
  18. 78

    Shapefiles of canopy disturbances for the 50-ha plot on Barro Colorado Island, Panama, for 2014-2019 حسب Raquel F. Araujo (10648181)

    منشور في 2021
    "…We defined a canopy disturbance as a substantial decrease in canopy height in a contiguous patch of canopy occurring over one measurement interval. …"
  19. 79
  20. 80