ធនធាន ដាក់ស្លាក: Plant Growth
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This book introduces readers to growing plants by non-circulating hydroponic methods. The general principles and concepts of non-circulating hydropic methodology are explained. Three general methods are detailed.
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01 មករា 1984 The FNGLA Certified Horticulture Professional program is a voluntary program for the certification of employees in the horticulture industry in Florida. The program, designed for the professional improvement of individuals in the industry, is one of the activies of the Florida Nursery, Growers...