Irrigated agriculture is placing increasing pressure onfinite freshwater resources, especially in developing countries, wherewater extraction is often unregulated, un-priced and even subsidized.To shift agriculture to amore sustainable use ofwaterwithout harming the food security and livelihoods of hundreds ofmillions of smallholders, substantial improvements ofwater use efficiencywill be requi...

objective: ageing of the stored seed is a natural phenomenon and the seeds tend to lose viability even under ideal storage conditions. accelerated ageing has been recognized as a good predictor of the storability of seed lots. aged seeds show decreased vigor and produce weak seedlings that are unable to survive once reintroduced into a habitat. the characteristics of the chemical composition of...

the old newsprint, as an important grade of waste papers, usually has been produced from chemicalmechanical pulp (cmp). although the effect of paper aging on different properties of recycled pulp has been investigated from long time ago; but, few studies have been observed about the effect of this phenomenon on recycling of cmp paper. in this study, accelerated aging was applied on hardwood cmp...