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Uwezo wa Kubadilishana kwa Kationi

Uwezo wa kubadilishana kwa kationi (CEC) ni sifa ya msingi ya udongo ambayo hupima uwezo wa udongo kushikilia na kutoa chembechembe za virutubisho zenye chaji chanya (kationi: K⁺, Ca²⁺, Mg²⁺, Na⁺, H⁺, Al³⁺) katika mfumo unaopatikana kwa mizizi ya mimea. CEC huakisi kiasi na aina ya madini ya udongo na vitu vya kikaboni katika udongo—viambatanishi vyenye maeneo yenye chaji hasi huvutia na kushikilia kationi kwa muda. Udongo wenye CEC ya juu huhifadhi virutubisho kwa muda mrefu na huhitaji mbolea mara kwa mara; udongo wenye CEC ya chini hupoteza virutubisho haraka kupitia upotevu wa maji.

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Vyanzo

  1. Thomas, G. W. (1982). Exchangeable cations. In A. L. Page, R. H. Miller, & D. R. Keeney (Eds.), Methods of soil analysis. Part 2: Chemical and microbiological properties (2nd ed., pp. 159-165). American Society of Agronomy. link
  2. Sumner, M. E., & Miller, W. P. (1994). Cation exchange capacity and exchange coefficients. In R. A. Feet (Ed.), Methods of soil analysis (3rd ed., pp. 1201-1229). American Society of Agronomy. link
  3. Bouldin, D. R., & Thorne, M. (1997). Charge and non-charge effects on cation exchange reactions in soils. Soil Science Society of America Journal, 61(1), 25-32. link

Jinsi ya kunukuu ukurasa huu

ScholarGate. (2026, June 3). Cation Exchange Capacity (CEC) Measurement and Interpretation. ScholarGate. https://scholargate.app/sw/agronomy/cation-exchange-capacity

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Linganisha bega kwa bega
ScholarGateCation Exchange Capacity (Cation Exchange Capacity (CEC) Measurement and Interpretation). Imepatikana 2026-06-15 kutoka https://scholargate.app/sw/agronomy/cation-exchange-capacity · Seti ya data: https://doi.org/10.5281/zenodo.20539026