Agro‐Economic Returns were Reduced for Four Years after Conversion from Perennial Forage

Reduced nitrogen losses after conversion of row crop agriculture to perennial biofuel crops.

Current biofuel feedstock crops such as corn lead to large environmental losses of N through nitrate leaching and NO emissions; second-generation cellulosic crops have the potential to reduce these N losses. We measured N losses and cycling in establishing miscanthus (), switchgrass ( L. fertilized with 56 kg N ha yr), and mixed prairie, along with a corn ( L.)-corn-soybean [ (L.) Merr.] rotati...

Improvement of Perennial Forage Species as Feedstock for Bioenergy

Annual and Perennial Forage Clovers for Arkansas - FSA3137

Clovers and other legumes are highly desirable species in pastures and hay meadows. First, legumes are able to obtain nitrogen from air through their symbiotic relationship with Rhizobium bacteria and, there­ fore, are not dependent on nitrogen fertilizer. The fixed nitrogen is primarily used to support clover growth, but parts of it become avail­ able to neighboring grass plants when clover ti...

Soil Property Changes during Conversion from Perennial Vegetationto Annual Cropping

resources by placing highly erodible land into perennial vegetation for 10 yr. Similar programs have been used Management practices for conversion of land supporting perennial historically in the USA to control erosion (e.g., soil vegetation to crop production are needed. Effect of haying (hayed bank program) and influence grain supplies. Programs or not hayed), cropping (annual crop with no-ti...

Evaluation of SubcutaneousRush Immunotherapy Effectiveness in Perennial Allergic Rhinitis after a Year from Treatment

Introduction: Allergen immunotherapy is an effective treatment for allergic rhinitis. Conventional immunotherapy takesat least 5 to 6 months to reach the maintenance dosage; nonetheless, rush immunotherapy accelerates to reach the maintenance dose several months earlier. However, the safety and efficacy of this treatment has not been widely investigated. The objective of the present study...