Efeito doe espaçamento na produção de alho
Palavras-chave:
espaçamento plantas, produção total, peso médio, bulbos alho, análise variânciaResumo
Two experiments in spacing garlic plants between rows and two others in spacing between plants in the row, were conducted in 1956 and 1957.
Ths distances of 5.0, 7.5, 10.0, 12.5, 15,0 and 17.5 centimeters were used for spacing in the row, being 40 cm the constant distance between the rows.
In the experiments of spacing garlic plants between row, the distances of 20, 30, 40 and 50 cm were used being 10 cm the constant distance among plants in the same row.
The data obtained in these experiments, show that the wider the spacing, the lower is the total yield of the field and the larger is the bulb size.
Increasing in distances between rows affected much less the yield and the bulb size than did the distances of the plantas in the row.
Accoording to the results of these experiments it was found that distances between 7.5 and 12.5 centimeters of plants in the row combine well both total yield and bulb size.
The spacing between rows to be adapted by the garlic growers should be the minimum ones adapted to the cultivation and irrigation methods used in the crop.
Referências
Alves, Sebastião. 1949 -— Notas sobre o cultivo do alho Colheitas e Mercados 5(3-9) : 7-11. Boletim do Departamento da Produção Vegetal. Secretaria da Agricultura. São Paulo.
Aroeira, J. S. 1947 — Cultura da cebola e do alho. Circular Mimeografada da Escola Superior de Agricultura Viçosa, Minas Gerais.
Beattie, J. H. 1937 — Production of garlic. Leallet 138, U. S. Departament of Agriculture, Washington, U. S. A.
Campaci, Conradi A. 1951 — O alho. Edições Chácaras e Quintais, nº 60. São Paulo.
Davis, Glen N. and H. A. Jones. 1944 — Experiments with the transplant onion crop in California. Bull. 682, University of California, Berkeley, pp. 20.
Gayon, Manuel Ma. 1935 — Horticultura General y Especial. Editora Espasa — Calpe S. A., Madrid, Espanha. pp. 350.
Lugeon, André. 1945 — La culture des légume. Librairie Payot, Lausanne, France. pp. 277.
MacGillivray, John H., L. T. Clemente, D. E. Creighton, V. P. Osterli, and E. E. Stevenson. 1952 — Spacing effect on the yield of green lima beans for freezing. Proc. Amer. Soc. Hort. Sci. 60:330 — 334.
Mann, L. K. and P. A. Minges. 1953 — Growing garlic in California. Vegetable Crops Series 59, University of California, Davis, California, U.S. A.
McCallum, Roy D. and J. E. Knott. 1942 — Growing and handling garlic in California. Cal. Agric. Ext. Serv. Circular. 84 pp.
Muraiama, Jose Shisuto. Sem data — Cebola e alho. ABC ao lavrador prático n° 5 Edições Melhoramentos, São Paulo.
Pimentel, Gomes Frederico. 1954 — A comparação entre médias de tratamentos na análise da variância. Anais da Escola Superior de Agricultura “Luiz de Queiroz” 11:1-12.
Snedecor, G. M. 1956 — Statistical methods. The Iowa State College Press, Ames, Iowa, USA. pp. 637.
Tamaro, D. 1931 — Manual de Horticultura. Gustavo Gili, Editor, Barcelona, Espanha. pp. 637.
Vittum, M. T. and W. T. Tapley. 1953 — Spacing and fertility level studies with a determinate — type tomato. Proc. Amer. Soc. Hort. Sci. 61 : 339-342.
Zink, F. W. and D. A. Akana. 1951 — The effect of spacing on the growth of sprouting brocolli. Proc. Amer. Soc. Hort. Sci, 58 : 160-164.
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