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pro vyhledávání: '"Eman I. El-Nagar"'
Publikováno v:
Zagazig Journal of Agricultural Research. 46:1467-1478
An experiment was carried out under laboratory conditions to study the change in available phosphorus (P)‚ magnesium (Mg)‚ calcium (Ca)‚ pH value and EC value during 336 hours of incubation as affected by three levels of each of P and Mg and al