royal welsh show it was only the spitfire that flew past, the customers stopped and had a chat at this year's royal welsh show read more ... " new ad-p c at the royal highland show grain and fertiliser drills took centre stage as this year's royal highland show attracted record crowds read more ... " soil...
of nozzles irrigation audit -an in-depth determination of efficiency of the sprinkler system to fine-tune irrigation schedules and run times. conducted after correction of system problems noted above adjustment of irrigation clock based on: precipitation and distribution uniformity turf root depth soil...
air pollutant and is a complex mixture of tiny particles that consists of dry solid fragments, solid cores with liquid coatings, and small droplets of liquid. these particles vary greatly in shape, size and chemical composition, and can be made up of many different materials such as metals, soot, soil...
have been promising, research is continuing. nitrogen benefits of faba bean faba bean, an emerging legume crop in north dakota, is being tested in the cooler and moister areas of the state. faba beans are the highest nitrogen-fixing legume in the world and can contribute pounds of nitrogen to the soil...
air quality in cities is "serious." in china's top river valleys in , about % of the water sections was class v, the worst level. of monitoring sites for groundwater almost % were poor or extremely poor. water quality in the east china sea and in four of china's nine biggest bays was extremely poor. soil...