Yield response of radish grown in a floating system to nutrient solution concentration

被引：3
|
作者：
Salerno, A. [1 ]
Rea, E. [1 ]
Pierandrei, F. [1 ]
Rinaldi, S. [1 ]
Rivera, C. M. [1 ]
Colla, G. [2 ]
Saccardo, F. [2 ]
机构：
[1] Expt Inst Plant Nutr, Agr Res Council, Via Navicella 2-4, I-00184 Rome, Italy
[2] Univ Tuscia, Dept Plant Prod, Via SC de Lellis, I-01100 Viterbo, Italy
来源：
PROCEEDINGS OF THE VIIITH INTERNATIONAL SYMPOSIUM ON PROTECTED CULTIVATION IN MILD WINTER CLIMATES: ADVANCES IN SOIL AND SOILLESS CULTIVATION UNDER PROTECTED ENVIRONMENT | 2007年 / 747期
关键词：
Raphanus sativus L; soilless culture; nutrient requirements; ready-to-eat vegetables;
D O I：
10.17660/ActaHortic.2007.747.17
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The effect of the nutrient solution concentration on yield and quality was studied on two cultivar of radish (Raphanus sativus L.), 'Girox' and 'Suprelia', grown in a floating system. Three consecutive growing cycles, were carried out in an unheated greenhouse at the experimental farm of University of Tuscia (Central Italy) during the spring-summer season 2005. A plant density of 720 plants/m(2) and a nutrient solution at three different nutrient concentrations (full strength solution, 3/4 and 1/2 of full strength) were tested. At harvest, the following parameters were measured: yield (fresh weight and number of hypocotyls), fresh and dry weight of leaves and hypocotyls, size of hypocotyls and distribution of size classes. The results showed that the nutrient solution at 3/4 and 1/2 of full strength solution gave the best yield during spring and summer, respectively.
引用
收藏
页码：161 / 170
页数：10
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