Data/hora: 21/06/2024 05:25:12

Biblioteca(s): | Embrapa Mandioca e Fruticultura.
Data corrente: | 29/03/1994
Data da última atualização: | 29/03/1994
Autoria: | TAKELE, E.; MENGE, J. A.; PEHRSON JR. J. E.; MEYER, J. L.; COGGINS JR. C. W.; ARPAIA, M. L.; HARE, J. D.; ATKIN, D. R.; ADAMS, C.
Afiliação: | Soil and Evironmental Sciences Department, University of California, Riverside, CA 92521.
Título: | Economic analysis of integrated crop management practices af 'navel' oranfes
Ano de publicação: | 1992
Fonte/Imprenta: | Jornal of The American Society For Horticultural Science, v.118, n.6, p.910-915, nov. 1992
ISSN: | 0003-1062
Idioma: | Inglês
Conteúdo: | The effect of various integrated crop management practices on productivity (fruit yield, grande, and size) and returns of 'Washington Navel' orantes[Citrus sinensis (L.) Osbeck] was deternuned in the San Joaquin Valley of California. Seventy-two combinations of treatments comprised of three irrigation levels [80%, 100% evapotranspiration demand (ETc)], three N fertilezer levels (low, medium, and high based on 2,3%, 2,5%, and 2,7% leaf N, respectively), gibberellic more or less, miticide more or less, and fungicide-nematicide more or less were included in the analysis. Using a partial budgeting procedure, returns after costs were calculated for each treatment combination. Costs of treatments, harvesting, packing, and processing were subtracted from the value   of the crop. The value of the crop was calculated as the sum of returns of crop in each size and grade category. The overall result indicated that returns after costs were higher for the +fungicide-nematicede treatment and also were generally more wirh increased irrigation. The combination of 120% ETc, +fungicide-nematicide, medium or high N,-miticide, and-glibberellin showed the highest return of all treatment combinations. Second highest returns were obtained with high N or with miticide and gibberellin used together.
Palavras-Chave: | Costs; Integrated practices; Productivity; Retuns.
Thesagro: | Citrus Sinensis.
Categoria do assunto: | --
Registro original: | Embrapa Mandioca e Fruticultura (CNPMF)
Exemplares: | CNPMF - (2487-1) - ADD - AP - -- - 635.05 -  - 635.05 - DIS