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LEPA and LESA are alterations on a center pivot where the sprinklers are moved much closer to the ground, the spacing between sprinklers is reduced (more sprinklers), and water is emitted at very low pressures. It saves water (18%), it saves energy (less water pumped and pumped at a lower pressure), and it helps growers get better yields especially in areas where water is limiting. However, it has an increased propensity for runoff, and the sprinklers operating below the top of the canopy can require some management changes. In many cases energy savings alone can pay for the increased costs of the additional sprinklers and drop hose. However, the largest profit potential lies in the ability to get improved yields in areas that are water short or have large water losses to wind drift and evaporation.
Aug 28, 2019A new study provides valuable insights into pollen abundance and diversity available to honeybee colonies employed in five major pollinator-dependent crops in Oregon and California.
Jul 11, 2019Oregon State University steps up to help mitigate clashes between conventional farmers and marijuana growers.
Industrial hemp was grown as a commodity crop for decades until it was banned in the mid-1930s. Congress decriminalized the crop in 2018, sparking interest in it among growers in Oregon, where hemp can be grown successfully. The plant's uses and restrictions, as well as many frequently asked...
Growers planting a successful commercial crop of hemp for seed, fiber, or resin will follow these guidelines for soil preparation, seeding, and irrigation.
Describes the OSU Organic Fertilizer & Cover Crop Calculator and using it to predict plant-available nitrogen.
Sensor-controlled spray systems can help growers use fewer chemicals and less water while maintaining good pest control. Learn about the pros and cons of different types of sensor sprayers.
Barley is a useful rotation crop that grows well in the Willamette Valley. But the region's craft beers and spirits generally use malting barley shipped from elsewhere. Can growers and brewers capitalize on high-quality, locally produced barley? Learn more about malting barley, study supply chain...