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A Guide for the Hydroponic & Soilless Culture Grower
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Kjeldahl Method for Nitrogen Determination
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Plant Analysis Handbook III: A Guide to Sampling, ...
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Hydroponic Handbook: How Hydroponic Growing Systems Work
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Presents an actionable, accessible strategy for successful hydroponic growing that is certain to facilitate anyone in developing the skill to achieve optimal plant growth, whether applied to a commercial enterprise or for the home gardener.
Fertility Status of Ohio Soils
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Plant Analysis Techniques
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Soil Testing and Plant Analysis Laboratory Manual
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Plant Nutrition Manual
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Fertility Status of Ohio Soils as Shown by Soil Tests in 1961
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Effect of Peach Root Residues, Lime and Supplemental ...
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