Cotton, Water, Salts and Soums: Economic and Ecological by Paul L. G. Vlek, John P. A. Lamers, Christopher Martius,

By Paul L. G. Vlek, John P. A. Lamers, Christopher Martius, Inna Rudenko, Ahmad Manschadi (auth.), Christopher Martius, Inna Rudenko, John P.A. Lamers, P.L.G. Vlek (eds.)

This e-book summarizes a long term learn venture addressing land and water use within the irrigated parts of the Aral Sea basin. In an interdisciplinary method, typical and human sciences are mixed to clarify the demanding situations of financial transition that have an effect on using land, water and organic assets, ecological sustainability, financial potency and the livelihoods of the neighborhood inhabitants. The study makes a speciality of Khorezm, a zone in Uzbekistan, positioned at the Amudarya river, within the center of principal Asia. a chain of chapters describes the biophysical surroundings and the facets of society and associations that form land and water use. The booklet discusses concepts and instruments to enhance land and water administration, and to reform the commercial process administration, in accordance with agronomic, hydrological, financial ans social experiences and modeling. The insights aren't in simple terms very important for Uzbekistan, yet for all nations in transitions and irrigated dryland parts elsewhere.

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Extra info for Cotton, Water, Salts and Soums: Economic and Ecological Restructuring in Khorezm, Uzbekistan

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0338 Urgench 76 19 78 19 80 19 82 19 84 19 86 19 88 19 90 19 92 19 94 19 96 19 98 20 00 20 02 20 04 20 06 19 74 72 19 19 19 70 700 Year Fig. 6 4EMPORAL LINEAR TRENDS OF POTENTIAL EVAPOTRANSPIRATION 0%4 SUMMARIZED FOR THE vegetation periods (April–September) between 1970 and 2007 appeared nearly equal, again indicating higher environmental variability and therefore higher planning insecurity. In all cases, the present blanket recommendation to sow cotton only after the middle of April has become conservative.

2004) argued for INSTANCE THATINNORTHERN4EXASMORETHAN —#'$$SAREREQUIREDTOREACHFULL maturation of all cotton bolls. 3 SHOWS THE TEMPORAL DEVELOPMENT OF '$$S FOR THE MAJOR CROPS IN Khorezm. Sorghum and maize (not depicted) show curves similar to rice. Despite data gaps in the time series, no clear statistical trend was observed during the observation periods at the three meteorological stations. T +HIVA STATION '$$S OF WHEAT SHOWED A WEAK INCREASING TREND However, due to limited time series of only 21 years for Khiva, this trend needs to be viewed with more caution than the findings of the other stations.

In the following, the definitions of the selected parameters and the methods for analysis are outlined. Growing degree-days'$$ SHOWTOWHICHEXTENTTHETEMPERATURECONDITIONS OFAREGIONAREFAVORABLEFORSPECIlCCROPS'$$SAREALSOUSEDFORPREDICTINGDIFFERENT stages of crop development or harvest time, and can indicate temperature stress factors (Yang et al. 1995; Snyder et al. 1999; Kadioglu and Saylan 2001). '$$SWEREESTIMATEDACCORDINGTOTHE"ASKERVILLE

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