TY - BK AU - Sauchelli,V. TI - Trace elements in agriculture U1 - 581.13356 PY - 1969/// CY - New York (USA) PB - Van Nostrand Reinhold, KW - Absorption KW - Aluminium KW - Analysis KW - Anions KW - Boron KW - Cations KW - Chlorine KW - Cobalt KW - Copper KW - Fertilizers KW - AGROVOC KW - Fluorine KW - Hydroponics KW - Iodine KW - Iron KW - Leaves KW - Lithium KW - Manganese KW - Marketing KW - Micronutrient fertilizers KW - Molybdenum KW - Nickel KW - Plant soil relations KW - Roots KW - Selenium KW - Silicon KW - Sodium KW - Trace element deficiencies KW - Trace elements KW - Vanadium KW - Zinc N1 - Illustrations, tables, references, bibliography p. 239-241, index p. 242-248, appendix ER -