Effects of CO2 concentration, light intensity and nutrient level on growth of leaf lettuce in a plant factory

被引：8
|
作者：
Park, MH [1 ]
Lee, YB [1 ]
机构：
[1] Seoul Natl Univ, Dept Environm Hort, Seoul 130743, South Korea
来源：
PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON GROWING MEDIA AND HYDROPONICS | 2001年 / 548期
关键词：
hydroponics; photosynthesis; stomatal resistance; CO2; enrichment;
D O I：
10.17660/ActaHortic.2001.548.43
中图分类号：
S6 [园艺];
学科分类号：
0902 ;
摘要：
We determined the environmental factors required for optimal leaf lettuce growth (Lactuca sativa L. var. crispa cv. Grand Rapids) in a plant factory. Plants were allowed to grown under different CO2 concentrations, light intensities and nutrient levels in an environmentally controlled room. Photosynthetic rate increased with CO2 enrichment and light intensity. At 1000 and 2000 mgL(-1) of CO2, growth rate was maximum. Under CO2 enrichment, optimum light intensity was determined to be around 200 mu mol(.)m(-2)s(-2), but nutrient levels did not affect growth rate.
引用
收藏
页码：377 / 383
页数：5
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