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1 Noble, Andrew; ul Hassan, Mehmood; Kazbekov, Jusipbek. 2005. “Bright spots” in Uzbekistan, reversing land and water degradation while improving livelihoods: key developments and sustaining ingredients for transition economies of the former Soviet Union. Colombo, Sri Lanka: International Water Management Institute (IWMI). vi, 35p. (IWMI Research Report 088) [doi: https://doi.org/10.3910/2009.089]
Irrigated farming ; Water quality ; Drainage ; Soil fertility ; Crop yield ; Investment / Uzbekistan / Bukhara Province / Zarafshan River / Dijzzakh Province / Syrdarya Province
(Location: IWMI-HQ Call no: IWMI 631.7 G782 NOB Record No: H036941)
(482KB)
Following the dissolution of the former Soviet Union and the collapse of existing trade arrangements, the newly independent states of Central Asia were left with the task of developing their own independent market economies. The region has undergone tremendous economic and social changes including significant agricultural reform mainly targeted at privatizing large collective farms that were established during the Soviet era. These reforms include the establishment of smaller private and cooperative farms in order to improve the efficiency and equity of existing production systems. Within Uzbekistan, this move to privatize farms has, in the majority of cases, led to declining productivity and net incomes. However, there have been instances where privatized farms and smaller collectives have been able to capitalize on these changes and perform at levels exceeding the norm. This Report identifies the key attributes of these successful farms that have been termed ''bright'' spots.
2 Qalandarov, Ruslan. 2007. Saline water irrigation and mulching effect on cotton production and soil quality in Syrdarya Province of Uzbekistan. Thesis for double degree program carried out in the frame of Tempus Ewasia Project in Central Asia. 45p.
Water quality ; Irrigation water ; Salinity ; Soil salinity ; Analysis ; Cotton ; Cultivation ; Soil moisture ; Mulching / Uzbekistan / Syrdarya Province
(Location: IWMI HQ Call no: D 631.7.5 G782 QAL Record No: H040651)
(0.87 MB)
The deficiency of fresh irrigation water during the vegetation period is suffered in last decades due to change of flow pattern of Syrdarya river. This circumstance involved water use limitations in irrigation systems of Hunger steppe. The shortage of fresh irrigation water do not let grow intermediate and repeated crop. Freshwater shortage is the main problem in Hunger steppe in Syrdarya province, while a considerable amount of underground saline water and drainage water are available. Field experiment which was conducted during vegetation period of 2006 in Ak-altin experimental station verify that under irrigation with low quality water from drainage and drain well and with mulch application sustainable yield production can be obtained. Soil moisture and microbiological activity under mulching and saline water irrigation are better adjusts and contribute for plant growth in the rooting layer of soil. Two-factor experiment was setup with three level of saline water use (1) low saline, (2) high saline, (3) conjunctive use two waters and two level of mulching (1) no mulch, (2) with mulch on whole area. The result indicated that mulching was effective for increase of microbiological activity and in conserving soil moisture compared to non mulched treatments. The use of low quality water for irrigation with mulch has relatively the same yield production compared to good quality water irrigation.
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