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- [24] COBALT AND MOLYBDENUM CONTENTS OF PASTURE PLANTS ON DIARY FARMS OF EASTERN REGION OF UGANDA TROPICAL AGRICULTURE, 1972, 49 (03): : 221 - &
- [25] LEVELS OF COPPER, MOLYBDENUM, SULFUR, ZINC, SELENIUM, IRON AND MANGANESE IN NATIVE PASTURE PLANTS FROM A MOUNTAIN AREA IN SOUTHERN-NORWAY ACTA AGRICULTURAE SCANDINAVICA, 1986, 36 (02): : 147 - 161
- [27] THE IODINE, COPPER AND COBALT CONTENT OF PASTURE IN DIFFERENT AREAS OF MONGOLIA 6TH INTERNATIONAL TRACE ELEMENT SYMP 1989, VOLS 1-5, 1989, : 763 - 766
- [30] STUDIES ON THE HEAVY-METAL CONTENT OF PLANTS AFTER SEWAGE-SLUDGE APPLICATION IN POT EXPERIMENTS BODENKULTUR, 1980, 31 (02): : 172 - 181