in order to study the effects of simultaneous application of znso4 and biological fertilizer, azotobacter chroococcum and azospirillum brasilense, on grain yield and nitrogen uptake efficiency in rapeseed (brassica napus l.), cv. hyola308, a field experiment was conducted as split plot factorial based on randomized complete block design at research field of faculty of agricultural sciences, uni...

In the past, natural ceramic biomaterials like bones and seashells were used to make music. Today, ceramics are largely absent from musical scene. Yet, recent development of bio-inspired could be create instruments that emulate sound ancient times, do not use endangered animal species or enable exploration new types this paper, question whether would suitable for usage in instrument is posed. T...

biofertilizers are natural inputs that can be applied as complement or substituent of chemical fertilizers in sustainable agriculture. effects of n and p bio- and chemical fertilizers on growth indices of maize (zea mays l.) was studied on 2008 in shushtar, iran, based an as a factorial experiment based on completely randomized block design with three replications. treatments consisted four lev...

The food security issue was addressed by the development of "modern agriculture" in the last century. But food safety issues and environment degradation were the consequences suffered as a result. Climate change has been recognized as the result of release of stored energy in fossil fuel into the atmosphere. Homogeneous crop varieties, machinery, pesticides and fertilizers are the foundation of...

Bio-fertilizers are naturally occurring soil bacteria that aggressively colonize plant roots and benefit plants by providing growth promotion. This investigation was aimed at determining the effect of Nitroxin bio-fertilizer application on growth, inoculation and yield production of corn hybrids. An experiment was conducted as split plot on the basis of randomized complete block design with fou...

AbstractThis paper examines the impasse in the current Doha Development Round negotiations andasks how the rules of the WTO could be changed to facilitate multilateral negotiations andto increase the welfare of the Member countries. It considers possible changes to the methodof negotiation. As examples of rules which are outdated, it considers the rules relating toregional trade agreements and ...