Landscape Architect & Specifier News

APR 2018

LASN is a photographically oriented, professional journal featuring topics of concern and state-of-the-art projects designed or influenced by registered Landscape Architects.

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80 Landscape Architect and Specifier News I n f o r m a t i o n R e q u e s t # 6 5 0 UMD Receives $1.4 Million Grant for Stormwater Treatment Environmental engineers at the University of Maryland recently received a $1.4 million dollar grant from the Strategic Environmental Research and Development Program to design a Stormwater treatment system for Department of Defense sites. The new system will target the removal of three environmental contaminants: polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs) and copper. Kansas State Breakthrough on Glyphosate Resistance In recent years, Palmer amaranth and common waterhemp plant species have been able to develop a resistance to the widely used herbicide glyphosate. In March 2018, researchers at Kansas State University discovered how these plants were surviving application of the chemical. Their studies found that the plants are producing a "self- replicating circular DNA structure" that differs from the long, straight polymer chain that glyphosate targets. BYU Wins National Collegiate Landscape Competition Brigham Young University won the 42nd annual National Collegiate Landscape Competition hosted by the NALP in Fairfax, Va. The 3-day event featured approximately 60 schools and 1,000 students, with competitions that range from plant foliage quizzes, 3-D exterior landscape designs, arboriculture techniques and plant problem diagnoses to skid-steer operation. Next year's competition will be located at Colorado State University on March 20-23. WSU Creates Stronger Permeable Pavement A research team at Washington State University has found a way to strengthen permeable pavement by adding recycled carbon fiber. The team, led by Karl Englund and Somayeh Nassiri, added carbon fiber composite scraps, received from Boeing manufacturing facilities, to their pervious concrete mix. Then they used mechanical milling to refine the composite pieces into the ideal sizes and shapes. The added material greatly increased the durability and strength of the pervious concrete.

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