P. Arambarri et al., USE OF BASIC SALTS OF IRON AND ZINC AS PLANT AMENDMENTS IN SOILS, Communications in soil science and plant analysis, 25(15-16), 1994, pp. 2697-2709
In a greenhouse experiment, the effects of adding zinc (Zn) and iron (
Fe) as either their basic salts or as commercial chelates were compare
d for the production of lettuce. The basic salts were found to be as e
ffective as the chelates in providing Zn and Fe as well as being more
environmentally safe.