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Depletion of phosphate rock reserves and world food crisis: Reality or hoax?
(African Journal of Agricultural Research, 2020)
Phosphate rock (PR) deposits are the major source of phosphate (P) fertilizers for soil fertility
replenishment. The demand for P fertilizers in the year 2014 was 42,706,000 tons and was expected to
reach 46,648,000 tons ...
Stem bark extracts of Erythrina excelsa (Baker) and their biological activities
(2016)
The species is known from Southern Nyanza, Migori in Kenya. The extraction of the stem bark was done
sequentially using organic solvents starting with the least polar; n-hexane then dichloromethane, ethyl
acetate and ...