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Properties and plant growth potential of mineland overburden
W. R. Byrnes · Available to the public through the National Technical Information Service
56 sayfa · 1980
Environmental aspects / Environmental aspects of Strip mining / Reclamation of land / Revegetation / Strip mining
Effect of certain common brush control techniques and materials on game food and cover on a power line right-of-way
W. C. Bramble, W. R. Byrnes · Pennsylvania State University, School of Agriculture, Agricultural Experiment Station
Sayfa sayısı yok · 1955
Herbicides / Environmental aspects / Brush / Control / Game and game-birds
Effect of time of shearing upon adventitious bud formation and shoot growth of red pine grown for Christmas trees
W. C. Bramble, W. R. Byrnes · Pennsylvania State College, School of Agriculture, Agricultural Experiment Station
Sayfa sayısı yok · 1953
Red pine / Pruning / Growth