Development of fertigation for trickle irrigated vegetables under Mediterranean conditions

Efficient fertilizer and water use is becoming increasingly important in greenhouse vegetable production in Greece. To improve greenhouse irrigation and fertilization practices, a fertilization management program developed in The Netherlands was tested in plasticulture under Mediterranean conditions...

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Bibliographic Details
Published in:International journal of vegetable science 2007-12, Vol.13 (2), p.81-90
Main Authors: Kreij, D. de, Kavvadias, V, Assimakopoulou, A, Paraskevopoulos, A
Format: Article
Language:English
Subjects:
calcareous soils
clay fraction
Fertigation
fertilizer recommendation
greenhouse production
gypsum
irrigation systems
microirrigation
nitrogen
potassium
potassium fixation
soil analysis
soil fertility
soil organic matter
soil solution
soil water content
trickle irrigation
vegetable crops
water holding capacity
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Summary:Efficient fertilizer and water use is becoming increasingly important in greenhouse vegetable production in Greece. To improve greenhouse irrigation and fertilization practices, a fertilization management program developed in The Netherlands was tested in plasticulture under Mediterranean conditions in Greece. Soil was analyzed according to the 1:2 volume water extract method, and recommendations for preplant fertilization, and the amount and concentration of fertigation determined. Calcareous soils, high in clay content, absorbed potassium. Soils low in organic matter content were also low in water holding capacity. Due to these low water contents at field capacity, and the standard ratio of soil:water in the 1:2 volume water extractions, soil solution was diluted 6-13 times, which was higher than in soils with high water holding capacity at higher organic matter contents. It was concluded that the fertilizer recommendations developed under Dutch glasshouse conditions were useful under plasticulture conditions in Mediterranean Greece.
ISSN:1931-5260
1931-5279
DOI:10.1300/J512v13n02_08