Growth analysis of japonica rices (Oryza sativa L.) given irrigation water of different temperatures

Acutis, M.

Rivista di Agronomia 27(4): 273-281

1993


ISSN/ISBN: 0035-6034
Accession: 002628548

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Abstract
In a field trial in 1987-88 in the NW Po valley, Italy, rice cv. Roma and Europa were sown on 1 or 20 Apr. and irrigated with warm, intermediate or cold water. Biomass accumulation was lower and occurred later with cold water treatment and at the later sowing date. CGR was greatest with warm water and at the earlier sowing date. LAI higher than 3, which allowed optimum yields, were obtained with warm and intermediate water treatments, where plant density was greater than 120/msuperscript 2.