GROWTH OF LETTUCE IN DIFFERENT SUBSTRATES

Authors

  • Braulio Otomar Caron
  • Sandro Felisberto Pommer
  • Denise Schmidt
  • Paulo Augusto Manfron
  • Sandro Luís Petter Medeiros

Keywords:

Lactuca sativa, protected environment, production.

Abstract

The experiment was carried out during the winter and spring crop seasons of 2000, in a plastic greenhouse at the department of plant production, federal university of Santa Maria. The purpose of the experiment was to evaluate the growth of lettuce cultivated in different substrates. The treatments were humus + raw rice husk (H+RRH), comercial substrate (CS), humus (H), raw rice husk (RRH), carbonized rice husk (CRH), and peat (P). Fertirrigation was provided based on the atmospheric necessities, with nutrient solution. The experiment followed a completely randomized design with four replicates. The experiment was finished when one of the treatments achieved 200g of green mass. The evaluated parameters were shoot fresh and dry matter and leaf area of the plants. The treatments H, CS and H+RRH, with shoot fresh matter of 318g, 280.5g and 223.5g, respectively, obtained the minimum green mass stipulated on the same period of cultivation for the studied seasons.

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How to Cite

CARON, Braulio Otomar; POMMER, Sandro Felisberto; SCHMIDT, Denise; MANFRON, Paulo Augusto; MEDEIROS, Sandro Luís Petter. GROWTH OF LETTUCE IN DIFFERENT SUBSTRATES. Revista de Ciências Agroveterinárias, Lages, v. 3, n. 2, p. 97–104, 2004. Disponível em: https://www.periodicos.udesc.br/index.php/agroveterinaria/article/view/5419. Acesso em: 15 may. 2024.

Issue

Vol. 3 No. 2 (2004)

Section

Research Article - Science of Plants and Derived Products

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