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flowering species to support beneficial insects or legumes for nitrogen fixation ( Granatstein and Sanchez, 2009 ). This could occur in the tree row, as a “living mulch” or in the drive alley, where the legume biomass could be mowed in place, mowed, and

With the increase of industrial and domestic sewage and agricultural fertilizers emissions, nitrogen (N), phosphorus (P), and other nutrients discharged into the lake are constantly increasing, making more and more lakes eutrophic ( Lian et al

., 2011 ; Warsaw et al., 2009b ; Wilson et al., 2010 ). Nitrogen, phosphorus, EC, pH, and alkalinity levels are commonly considered basic measures of water quality, whereas the other variables may or may not be reported ( Argo and Biernbaum, 1996 ; Dole

production per animal rises. Adverse impacts on the environment often increase in step with yields and production ( Kramer et al., 2006 ; Reganold et al., 2001 ). For example, nitrogen use efficiency in corn systems typically declines as yields increase

et al., 2009 ). Several researchers have demonstrated a wide range of effects of fertilizer, including nitrogen on storage root yield of sweetpotatoes. For example, Jet and Mulkey (1996) reported that the applying N at 50.4 kg·ha −1 21 d after

widely available from the nursery industry. There is little research-based information for Texas mountain laurel regarding its culture information, especially nutrient requirement. Nitrogen is a key nutrient in manipulating plant growth and N is normally

Actinorhizal plants are able to fix atmospheric nitrogen (N 2 ) through symbiosis with Frankia , a genus of actinobacteria, and have great potential for sustainable landscaping ( Kratsch and Graves, 2004 ). Plant growth and development may be

. This N enrichment lasted for three crops after application. Nitrogen contribution from clover was evident in 2000, where leaf N in those plots was significantly greater than the control, and it increased in 2001. In a related mineralization experiment

research has focused primarily on older varieties of velvet bentgrass selected from South German mixed bentgrasses ( DeFrance et al., 1952 ; North and Odland, 1934 ; Skogley, 1975 ; Sprague and Evaul, 1930 ). Proper nitrogen fertilization is essential

quality, increasing the fertilizer use efficiency and preventing losses of nutrients, especially nitrogen (N) by leaching or denitrification ( Fageria and Baligar, 2005 ). CRFs are designed to release nutrients into the grown medium at a rate more closely