Changes in mobile phosphorus and exchangeable potassium content in soils of krasnodar krai russian sfsr ussr in connection with the use of fertilizers
Bunyakin, I.Y. ; Komissinskaya, L.N.; Stokozov, I.P.
Izvestiya Severo Kavkazskogo Nauchnogo Tsentra Vysshei Shkoly Estestvennye Nauki 6(2): 105-107
The change in content of mobile P and K which occurred between the first (1966-1970) and second (1971-1973) round of agrochemical examination of soils in Krasnodar Krai [Russian SFSR, USSR] was discussed. An increase in mobile P was observed in soils of the Krai, and a decrease of exchangeable K was observed in several regions.