Knowledge Base
 

Identification code

PP00154

Project title

Study of soil water-salt and nutrient regime under sprinkling irrigation ( Fregat and Rosa-3) on background of vertical and horizontal drainage joint operation.

Project location

The Rep. of Kyrgyzstan, Chuy oblast, Panfilov rayon, "Chaldovar" farm.

Rubric

70.21.35; 70.21.31; 70.03.21

Rubric (SIC ICWC)

01.30.03; 01.20.01.15

Project duration

1982-1988

Project manager

I.K. Duynov., KyrgyzNIIGim

The Republic of Kyrgyzstan, 720055, Bishkek, Toktonaliev 4

Summary

Investigations related to amplification of standard water salt regulation technology depending on type and degree of soil salinity, groundwater salinity, desalinization scheme and reclamative process taking into account influence of soil salinity on harvest under designing of standard technology of automatic water salt and nutrient regime regulation on saline lands.Soils are sierozem-meadow, salinity degree from non-saline to weakly saline. Ground water salinity is 3-30g/l, sulfate- sodium type.Experimental plot area is 60 ha, from which 48 ha was irrigated by Fregat ; 3,5 ha - Rosa-3; 8,5 ha- border irrigation. Drainage system is close.

Investigations showed that under sprinkling irrigation on background of vertical and horizontal drainage joint operation on weakly and middle saline soils of sulfate type water salt regime could be improved and harvest of forage crops could be increased.

Key words

sprinkling; horizontal drainage; vertical drainage; water-salt regime; soils; maize; alfalfa

Bibliography

1. Authors - L. Gossy, I. Duynov, B. Haritonov;, V. SirohaTitle - Ground water regime in zone of vertical drainage operation under Fregat working on experimental plot of "Chaldovar" farm. Collection "Technology and automation of water allocation and irrigation" , Frunze, 1985 .Statistics assessment of ground water depth dynamic under influence of joint natural and artificial factors, first of all, irrigation by Fregat and pumping from wells of vertical drainage is given. It is showed that vertical drainage on background of irrigation by Fregat provide stable ground water regime, excluding salinization of top one meter soil layer. 2. Authors - L. Gossy, I. Duynov, B. Haritonov;, V. SirohaTitle- " Regulation of water salt and nutrient regime of sierozem-meadow soils by means of irrigation by Fregat and Rosa-3 "Collection " Automation of water allocation and irrigation processes", Frunze, 1986

It is showed, that irrigation by Fregat and Rosa-3 on background of vertical and horizontal joint operation on weakly and middle saline soils of sulfate type allows improve water salt regime and increase harvest of hay in 2,5-3 times .