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Clay as a Pine Bark Substrate Amendment: Past, Present, and Future

机译:粘土作为松树皮底座修正案:过去,现在和未来

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Soilless substrates are used extensively nationwide to produce containerized ornamental crops. The primary substrate components in the southeastern United States nursery industry are pine bark and sand. This porous, primarily inert, media provides thephysical characteristics for maximum plant growth. A salable plant is quickly produced in a pine bark substrate in conjunction with high nutrient and water inputs. However, nutrient- and water-use efficiencies for these inputs are low due to the inert porous nature of the substrate. Water- and nutrient-use efficiency is a concern for growers due to increasing local, state, and federal regulation for water use, water availability, and regional environmental impact.
机译:无土基材广泛用于全国范围内生产容器化的观赏作物。美国苗圃行业东南部的主要底物成分是松树皮和沙子。这种多孔,主要是惰性,培养基提供了最大的植物生长的神秘特征。销售植物在松树斑衬底上迅速产生,与高营养素和水输入一起。然而,由于基材的惰性多孔性质,这些输入的营养和水使用效率低。随着局部,国家和联邦监管的增加,水资源和区域环境影响,水和营养利用效率是对种植者的担忧。

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