| Two field studies were conducted in order to observe treatment differences in vegetation survival and growth on two sand and gravel surface mines in East Texas. The first study assessed the differences in vegetative growth between five different organic matter amendments and two separate vegetative types. These organic matter treatments consisted of two levels of pine bark, two levels of bermudagrass hay and a treatment receiving no organic matter. There were two vegetation types including bahiagrass and a native vegetation mixture. Vegetation was monitored over a two-year period, consisting of five sampling stages. Significant comparisons were found throughout the two-year period between both organic matter and vegetation type. The second study assessed the differences in vegetative growth between two organic matter amendments, two vegetation types, and two fertilizer types. This study was monitored for one year, and provided little statistical evidence about the treatments. (Abstract shortened by UMI.)... |
