Combined elemental deficiencies are more complex and insidious physiological metabolic responses than single stresses. To determine the effects of phosphorus (P), iron (Fe), zinc (Zn), their deficient combinations on photosynthetic characteristics rice seedlings, we investigated dry weight, chlorophyll (Chl) content, rapid carbon assimilation CO2 responses, Chl fluorescence in four-week-old (CB...

background: the purpose of this study was to evaluate the levels of zinc (zn), copper (cu), iron (fe) and zinc/ cop­per ratio in the serum of patients with cutaneous leishmaniasis in qom province, center of iran. methods: serum levels of zinc and copper were determined by flame atomic absorption spectrophotometer and serum iron concentration was measured by using an auto analyzer. the study gro...

abstract zinc (zn) is an essential plant nutrient. knowledge about distribution of zn between its different chemical forms is useful in understanding the chemistry of this element in soil and also in development of soil testing procedures. the present study was conducted to obtain such information about distribution of zinc forms in 20 soil samples of lorestan province by the use of a sequentia...

Graded levels of a trace mineral premix containing an organic (Bioplex) source of Cu, Fe, Mn, and Zn was evaluated with additional treatments containing organic Zn or Fe. Grower-finisher pigs were fed from 25 to 115 kg BW. The number of pigs in the experiment, the breeding/genetics of the pigs, the management, and the average age of the pigs were previously reported. The experiment was conducte...

The aim of this study was to evaluate the effects of the foliar application of zinc (15, 30 and 50 mg/L) and iron (50 and 100 mg/L) and their combination on vegetative, reproductive growth, fruit quality and yield of cucumber plants as a factorial in completely randomized block design with four replications. Results indicated that different applied treatments significantly increased vegetative ...