Four groups of male lambs (seven animals/ group) were used to study the effect natural (garlic powder; Allium sativum) and biological (dry yeast; Saccharomyces cerevisiae) additives their combination in finishing diets as compared control diet on feed utilization animal performance. Animals 8 months age 35.8kg ± 0. 41 average body weight. fed a basal including concentrate mixture (CFM) at level...

drought stress is one of the important environmental factors reducing grain yield of plants in arid and semiarid regions. study the effect of water deficit stress on yield, water use efficiency and harvest index of sesame varieties, this experiment was conducted as a split plot based on a randomized complete block design with three replications, at agriculture and natural resources research cen...

abstractbackground and objectives: black mustard (brassica nigra (l.) koch) is an annual plant belongs brassicaceae. it has a variety of uses in traditional medicine for rheumatic and neurological pain. growth and development and production of medicinal plants, like other plants is influenced by genetic and environmental factors. select the most appropriate planting date and the most favorable ...