This study highlights the economic and environmental challenges of recycling in Ontario, specifically examining the effect of attempting to increase the emissions target for the province’s Waste Electronics (WEEE) program. The findings from the cost model analysis found that Ontario’s Electronic Stewardship program reduces overall carbon emissions by approximately 205 thousand tonnes every year...

BACKGROUND AND AIMS The control of dormancy in yam (Disocorea spp.) tubers is poorly understood and attempts to shorten the long dormant period (i.e. cause tubers to sprout or germinate much earlier) have been unsuccessful. The aim of this study was to identify and define the phases of dormancy in Dioscorea rotundata tubers, and to produce a framework within which dormancy can be more effective...

Methods: Three groups of pigs (12 pigs per group) were challenged with M hyopneumoniae (Day 0). Two groups received feed containing CTC at 550 g per tonne (500 g per ton; 22 mg per kg of bodyweight) for 14 days, starting either on Day -3 (prior to challenge) or at onset of clinical signs (Day 10). Pigs were evaluated daily for clinical disease (coughing), and all were necropsied on Day 29. Perc...

average grade of 4.0 gram:; [%r tonne go1 I and 215 001) tonnes with an average grade of 2.0 gran s per tonne ill the 200 and 440 pit areas of the upper all :ration zone, respectively (Figure 2). Carmac Resources Lttl. (now Camnc r Resourwr Ltd.) optioned the Hank claims in 1990 and drilled : h e holes totalling 1 090 metres in the Upper and Lovnrzones, then terminated the option. Homestake Can...

The growth and tuberization of potatoes (Solanum tuberosum L.) maintained for 6 weeks under four different regimes of continuous irradiance were compared to plants given 12 hours light and 12 hours dark. Treatments included: (a) continuous photosynthetic photon flux of 200 micromoles per square meter per second cool-white fluorescent (CWF); (b) continuous 400 micromoles per square meter per s...

to evaluate the effect of water, tape drip and furrow irrigation methods on the performance components and features of agria cultivar potato, an experiment was carried out in the agriculture faculty of kermanshah. repeated three times, this study was carried out in the form of full random blocks with the main factor of different amounts of irrigation water in three levels (50, 75, and100 percen...