Agricultural productivity -- France -- History. / https://id.loc.gov/authorities/subjects/sh85002401 https://id.loc.gov/authorities/names/n79006404-781 https://id.loc.gov/authorities/subjects/sh99005024 : Hoffman, Philip T.,
Agricultural productivity -- Japan. / https://id.loc.gov/authorities/subjects/sh85002401 https://id.loc.gov/authorities/names/n78089021-781 : Meer, C. L. J. van der.
Agricultural productivity -- Standards -- United States. / https://id.loc.gov/authorities/subjects/sh85002401 https://id.loc.gov/authorities/subjects/sh00007508 https://id.loc.gov/authorities/names/n78095330-781 : United States.
Here are entered works on networks for agricultural research and information exchange linking practitioners, researchers, agricultural officials, and policymakers.
Agricultural resources -- See Also the narrower term Soils
Here are entered works on natural soils. Works on plant growing media which include both natural soils and artificial media are entered under Plant growing media. Works on growing media which do not contain natural soils are entered under Plant growing media, Artificial. Works on growing media for potted plants are entered under Potting soils. --subdivision Soils under individual plants, e.g. Corn--Soils; and headings beginning with the word Soil
--subdivision Equipment and supplies under individual and groups of plants and crops and individual and groups of livestock, e.g. Corn--Equipment and supplies; Cattle--Equipment and supplies