科研之友
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摘要
this study evaluated the growth and yield of six lettuce cultivars under protected cultivation. the experimental design was randomized blocks with six treatments and four replications. the cultivars hortencia, rubra, monica sf1, regina de verˋo, veronica and grandes lagos 659 were evaluated. the air temperature under protected cultivation oscillated between 24,4oc and 31,5oc during the experimental period. rubra and grandes lagos 659 showed the best performance with yields superior to 28,000 kg.ha-1 and fresh weight of 176,7g and 184,4 g, respectively.
