http://dewey.info/scheme/a14/ en
631 Specific techniques; apparatus, equipment, materials
631.8 Fertilizers, soil conditioners, growth regulators
http://dewey.info/scheme/a14/ vi
631 Kỹ thuật cụ thể; máy móc, thiết bị, vật liệu
631.8 Phân bón, chất cải tạo đất, chất điều hoà sinh trưởng
http://dewey.info/scheme/a14/ it
631 Specifiche tecniche; apparecchi, attrezzature, materiali
631.8 Concimi, ammendamenti, regolatori di accrescimento
http://dewey.info/scheme/edition/e23/ en
631 Specific techniques; apparatus, equipment, materials
631.8 Fertilizers, soil conditioners, growth regulators
631.81 Nutritive principles, complete fertilizers, methods of application 631.82 Soil conditioners 631.83 Potassium fertilizers 631.84 Nitrogen fertilizers 631.85 Phosphorus fertilizers 631.86 Organic fertilizers 631.87 Vegetable manures and converted household garbage 631.89 Growth regulators
Dewey Decimal Classification
Creative Commons License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 Unported License by OCLC Online Computer Library Center, Inc. Permissions beyond the scope of this license may be available at here. All copyright rights in the Dewey Decimal Classification system are owned by OCLC. Dewey, Dewey Decimal Classification, DDC, OCLC and WebDewey are registered trademarks of OCLC.