Data/hora: 20/06/2024 17:34:35

Biblioteca(s): | Embrapa Mandioca e Fruticultura.
Data corrente: | 31/10/2000
Data da última atualização: | 31/10/2000
Autoria: | LAWRIE, R. A.
Afiliação: | Food Science Laboratories, Department of Applied Biochemistry and Nutrition, University of Nuttingham School of Agriculture, Sutton Bonington, Loughborough, Leics.
Título: | Waste in the food system.
Ano de publicação: | 1977
Fonte/Imprenta: | Proceeding of Nutrition Society, v.36, p.275-283, 1977.
Idioma: | Inglês
Conteúdo: | Wheter marine or terrestrial, food commodities commence with photosynthesis. Just outside the earth's atmosphere the sun's rays produce energy at the rate of 1.36 kJ "m" elevado a -2 "s" elevado a -1. In plants, the photosynthetic process requires about 17 kJ to produce 1 g of dry matter; and were the solar radiation available at the adge of the earth's atmosphere to be used with 100% efficiency, it would yield 2.6 tons/square metre per year (Monteith, 1972). Actual uields of agricultural crops range from only 0.004% to 0.2% of the theoretical maximum: the UK average is 0.16% (Anon, 1976a).
Categoria do assunto: | --
Registro original: | Embrapa Mandioca e Fruticultura (CNPMF)
Exemplares: | CNPMF - (18743-1) - ADD - SP - -- - S1644 -  - S1644 - DIS