SUNFLOWER MAXIMUM YIELD PRODUCTION BASED ON SOLAR RADIATION AND TEMPERATURE: II. BIOMASS PRODUCTION AND GRAIN YIELD

Authors

NÍDIO ANTONIO BARNI
MOACIR ANTONIO BERALTO
HOMERO BERGAMASCHI
JOÃO RIBOLDI

Keywords:

biomass production; solar radiation; maximum yield.

Abstract

The above ground biomass production and maximum yield (Ym) of sunflower were modeled based on theeffective temperature (Degree-Days) and photosyntheticaly active radiation absorved and accumulated (PARaa), under wellwatered conditions. Experiments were performed at a field sita at Taquari-RS, during two growth seasons 1991/92 and 1992/93. The energetic efficiency of sunflower was 2.457 grams of above ground dry manar per megajoule of PARaa during theperiod from emergence to the end of anthesis. The results also showed that the maximum yield of sunflower can be estimatedbased on the climatic normals of solar radiation and temperature for a given region.

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Published

1995-07-06

How to Cite

BARNI, NÍDIO ANTONIO; BERALTO, MOACIR ANTONIO; BERGAMASCHI, HOMERO; RIBOLDI, JOÃO. SUNFLOWER MAXIMUM YIELD PRODUCTION BASED ON SOLAR RADIATION AND TEMPERATURE: II. BIOMASS PRODUCTION AND GRAIN YIELD. Pesquisa Agropecuária Gaúcha, [S. l.], v. 1, n. 2, p. 201–216, 1995. Disponível em: https://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/566. Acesso em: 11 jul. 2025.

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Issue

Vol. 1 No. 2 (1995): PESQ. AGROP. GAÚCHA

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Article

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The authors declare that the work has not been previously published, nor sent simultaneously for publication in another journal and that they agree with the submission, content and transfer of the publication rights of the article in question to the scientific journal Pesquisa Agropecuária Gaúcha - PAG. The authors assume full responsibility for the originality of the article, and may incur on them any charges arising from claims by third parties in relation to the authorship of the article. The full reproduction of the journal's articles in other free-to-use electronic media is permitted under the Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license.

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