Effect of nutrient concentration and water regime on cut rose production grown in hydroponic system

被引：7

作者：

Malorgio, F ^{[1
]}

Scacco, M ^{[1
]}

Tognoni, F ^{[1
]}

Pardossi, A ^{[1
]}

机构：

[1] Univ Pisa, Dipartimento Biol Piante Agrarie, Pisa, Italy

来源：

PROCEEDINGS OF THE FIFTH INTERNATIONAL SYMPOSIUM ON PROTECTED CULTIVATION IN MILD WINTER CLIMATES: CURRENT TRENDS FOR SUSTAINABLE TECHNOLOGIES, VOLS I AND II | 2001年 / 559期

关键词：

roses; hydroponic; water and fertilisers use efficiency;

D O I：

10.17660/ActaHortic.2001.559.46

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

The effects of different water regimes and NPK concentration of the feeding solution on cut flower production of roses grown in pumice was examined. The irrigation volumes were 50, 60 and 70 g water/plant per MJ m(-2) of global radiation. The macronutrient concentrations (ppm) were as follows: 160 N, 35 P, 220 K (full Strength solution, FS); 80 N, 18 P, 110 K (half Strength solution, HS). The composition of nutrient solution and watering regime affected flower production and quality only slightly. Reducing N, P and K concentration and water supply led to substantial decrease in the use of both water and fertilisers as well as in the amount of nutrient run-off.

引用

页码：313 / 317

页数：5

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