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   Effect of Vam Fungi and Bacterial Biofertilizers on Mulberry Leaf Quality and Silkworm Cocoon Characters Under Semiarid Conditions  
نویسنده رام رایو م د ,کدانرامایا ج ,ردی پ م ,کاتیار س ر ,رحمت الله ک و
منبع Caspian Journal Of Environmental Sciences - 2007 - دوره : 5 - شماره : 2 - صفحه:111 -117
چکیده    The influence of vam fungi and bacterial biofertilizer (bbf) with 50% reduction in the recommended dose of (n and p) chemical fertilizers on leaf quality traits of mulberry variety (s-13) and its impact on silkworm (pm ? nb4d2) growth and cocoon characters were studied under semi-arid conditions. four different treatments were imposed i.e., t1: control (only 100% npk); t2: vam (50% cut in p); t3: bbf (50% cut in n) and t4: bbf and vam (50% cut in n and p). the results revealed that reduction (50%) in the dose of chemical fertilizers in t2, t3 and t4 did not affected the leaf quality traits or cocoon parameters, this may be due to the effect of microbial inoculants in these treatments, which had efficiently regulated the normal growth, metabolism and physiological activity in plants. among the three-biofertilizer treatments, leaf quality, silkworm growth and cocoon parameters were found improved in t4 and was on par with t1 control. the dual inoculation (t4) proved economical and beneficial with regard to saving of 50 % cost of chemical fertilizers and improvement in soil fertility, leaf quality and cocoon parameters, thus this technology can be recommended to sericulture farmers of semi-arid conditions.
کلیدواژه Biofertilizers ,S-13 Variety ,Leaf Quality ,Silkworm Growth ,Cocoon Characters ,Semi-Arid Condition

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