Effects of Soil and Foliar Applications of Nitrogen Fertilizers on a 20-Year-Old Douglas-Fir Stand (Classic Reprint)

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Excerpt from Effects of Soil and Foliar Applications of Nitrogen Fertilizers on a 20-Year-Old Douglas-Fir StandWe established nine -acre, circular plots in this stand before the 1973 growing season. We located three plots in an area designated for foliar fertilization by helicopter We placed the remaining six in an abutting 14-acre, non - spray area and randomly selected three of these plots for hand fertilization with urea prill, the other three were control plots (fig. Thus, our spray treated plots were adjacent, but not randomly intermingled with the other plots.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.