ECONOMICAL EFFICIENCY OF THE IRRIGATION REGIME FOR SALAD AND TOMATO CROPS IN PROTECTED AREAS

Marcel DIRJA, Alexandru COLISAR, Ioan PACURAR PACURAR, Florin CORCIU, Danut DAN

Abstract


The actual global population increment determines a permanently growth of demands
regarding agro-alimentary products, demands that can be achieved by the enhancement of the production per
hectare or by extending the cultivable surfaces, within the of a scientific agriculture, rational, inter-alia the
protected area one.
A good supervision of soil humidity is particularly important; any un-submission of this demand could have
negative effects both on plants and on crop economical efficiency.
A sub-unitary hydro-balance indicates a water excess, usually this phenomenon appears on overflowed soils,
with ground-water table close to surface or in the situation of irrational irrigation regime. The water occupies the
roots’ intercellular spaces, taking over oxygen and leading to the asphyxia phenomenon.
Knowing the relation between crops water consumption and their productions in different natural conditions,
represents a point of interest both for irrigation arrangement projects and for their exploitation. Preoccupation in
this field of numerous researches with a extension tendency in the last few years.
Through exactly determination of monthly and total water consumption of the two crops in protected areas, both
small producers and big agricultural exploitations will register significant water savings. Cultivators will be able
to manage water during the periods and according to plants demands, assuring this way high productions, of
superior quality and inexpensive, being able to enter the competition with those obtained by other EU producers.

Keywords


solariums; irrigation regime; hydro- balance

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DOI: http://dx.doi.org/10.15835/buasvmcn-hort:485




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