| |
Identification
code |
PP00140 |
Project
title |
Investigations
of cotton drip irrigation technique and technology in Chimkent oblast |
Project
location |
The
Republic of Kazakhstan, Chimkent oblast,
Keles rayon, “Keles” farm |
Rubric |
70.21.35 |
Rubric
(SIC ICWC) |
01.30.03 |
Project
duration |
1972-1995 |
Project
manager |
S.A. Nerozin., SPA SANIIRI
The Republic of Uzbekistan, 700187, Tashkent,
Karasu-4/11 |
Summary |
The
main aim of investigations is to study the technical, maintenance
and technological peculiarities of cotton drip irrigation
method and develop on this base practical recommendation
on maintenance and technology of cotton cultivation under
drip irrigation.Experimental
plot conditions are typical for South-Kazakh irrigation
zone. Soils are meadow
sierosem with separate spots of slightly salinity of chloride-sulfate
type. Soils structure corresponds to medium and heavy loam.
Ground water
depth in dependence on relief from 3 to 20m with ground
water salinity degree (3-15 g/l), sulfate-hydrocarbon magnesium-calcium
type.Climate is
sharply continental. Experimental plot is 100ha. Experimental
plot is equipped by drip irrigation system of Israeli production.Investigations
allowed to found out the following positive Drip Irrigation
System (DIS) peculiarities: irrigation water saving; crop
productivity increase; quantity of inter-row cultivation
reduction; labour reduction; soil compaction; opportunities
of soils moistening quick correction.The lacks are
necessity of high-level specialists for DIS serving; system
capacity dependence on electric power; high cost; permanent
control for DIS operation.
According to
results of investigations the recommendations on DIS maintenance
as well as on technology of cotton cultivation under drip
irrigation are developed. |
Key
words |
irrigation
technique; drip irrigation system; irrigation norm; cotton |
Bibliography |
Author
- S.A. Nerozin Title - “Cotton
drip irrigation in Kashkadarya oblast, the Rep. Of Uzbekistan”Collection
of scientific literature on drip irrigation, Tashkent, SANIIRI, 1995.
Experimental
materials obtained from plot in "Hushvatov" farm
which area is 60 ha equipped by drip irrigation system describing
influence such method of irrigation on water consumption
and cotton productivity are given. Obtained results allowed
to give agro- technical assessment to grip irrigation of
cultivated crops. Crop capacity 42,8-43,8 t/ha is obtained
on plot with DIS against 32,7 t/ha on control plot with
furrow irrigation. |
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