An assessment of the role of ponds in the adoption of water-saving irrigation practices in the Zhanghe Irrigation System, China

2006 ◽  
Vol 83 (1-2) ◽  
pp. 100-110 ◽  
Author(s):  
Shahbaz Mushtaq ◽  
David Dawe ◽  
Hong Lin ◽  
Piedad Moya
Water Policy ◽  
2009 ◽  
Vol 11 (6) ◽  
pp. 661-679 ◽  
Author(s):  
Shahbaz Mushtaq ◽  
Shahbaz Khan ◽  
Mohsin Hafeez ◽  
Munir A. Hanjra

The aim of the study was to determine whether the reliability of water sources is important in the adoption of water-saving irrigation practices (WSI). It was hypothesized that access to reliable water sources such as water ponds would increase the likelihood of practicing alternate wetting and drying (AWD) for rice cultivation. While it seems intuitively reasonable to assume that farmer's ability to access reliable water sources would reduce the risk involved in letting the paddy field dry temporarily, and therefore encourage the adoption of AWD, this study found no solid empirical evidence to support the proposition. However, weaker empirical evidence shows that access to reliable water supply from local ponds positively influences AWD practices. The results show that the adoption of AWD is not driven by farmer's self choice but rather that they are adopting AWD to mitigate risk in the face of increasing water scarcity. The result suggests that water-saving irrigation training and farm size or land distribution system have an important role in the adoption of AWD practices. The policy implication of this research is that imposing institutional water scarcity could be a way to promote the adoption of water-saving irrigation practices.


2014 ◽  
Vol 9 (3) ◽  
pp. 113-118
Author(s):  
Chaitali R. Fule ◽  
◽  
Prof. Pranjali M. Awachat ◽  
Prof.Dinesh Rotake

2020 ◽  
Vol 8 (2) ◽  
pp. 131-138
Author(s):  
Muhammad Yousaf Ali

The biggest responsibility of agriculture department is to produce food and cloth for huge population using the resource getting limited day by day. Water scarcity is most threatening among these limiting factors. New techniques are being developed day by day to utilize the water efficiently. Application of water only in the plant root zone will be one of the water saving technique to grow crops. This will control the losses due to evaporation and leaching. Irrigation to soil does not control the climate variables and precipitation cannot be substituted to irrigation. Sprinkler irrigation could be one of the way to utilize the water efficiently by in time application and reducing the losses of leaching and evaporation along with amelioration of micro climate of the crop. Canals and tube well water is conventionally given to crop through flood irrigation. These fields are in direct threat of evaporation and leaching resulting in excess water losses and damaging the soil quality. The study was designed taking cotton as experimental crop to calculate comparisons in plant growth parameters and yields along with water saving ability of different irrigation system. Maximum yield was obtained from sprinkler irrigation and water was saved under drip irrigation system.


Author(s):  
Elsayed Omer ◽  
Saber Hendawy ◽  
Abdel Nasser ElGendy ◽  
Alberto Mannu ◽  
Giacomo L. Petretto ◽  
...  

A relevant improvement of the cultivar conditions of Rosmarinus officinalis L. in desert areas was achieved by a specific combination between irrigation system and soil conditioner. A drastic reduction of water employment was obtained without affect the quality of the plants, determined by monitoring growth parameters and essential oil characteristics. In particular, the effect of surface and subsurface drip irrigation systems and different soil conditioners on growth parameters, yield, and essential oil constituents of rosemary plant was assessed. Field experiments at the Agricultural Research Station (Al-Adlya farm), SEKEM group Company, El-Sharkiya Governorate, Egypt, conducted over the two seasons revealed the effectiveness of the subsurface irrigation system in obtaining better performances, especially in terms of water saving. The combination of subsurface irrigation and the conditioner Hundz soil with bentonite showed the maximum mean values of growth characters compared with other soil amendments during both seasons. The possibility to employ a water-saving irrigation system as the subsurface one without any drawback in the resulting plants was also explored in terms of molecular composition. GC-MS analysis of the essential oil extracted from plants growth under different irrigation conditions revealed a comparable composition in both cases. The goodness of the most performing system was also confirmed by the comparable yield of the essential oil.


Author(s):  
Vesna Ž. Popović ◽  
Jonel V. Subić ◽  
Nataša Ž. Kljajić

The Srem district is home to producers of corn, oilseeds, sugar beet and tobacco, a leading region in the production of pome fruits (apples, pears) and drupes (plums, peaches, cherries) in the country and a perspective area for the development of organic plant and livestock production in protected areas. The current irrigation policy in the Republic of Serbia was not directed at systematic water use with the goal of forming an optimal structure of a market propulsive and a highly profitable agricultural production. The authors in the paper analyse the structure of agricultural production in the Srem district in Serbia and its market potentials as well as the economic effects of irrigation in light of the planned integral irrigation system construction in the Srem district in order to reflect economic benefits of irrigation and its role in the development of agriculture.


2011 ◽  
Vol 148-149 ◽  
pp. 977-982
Author(s):  
Dao Xi Li

To examine how the dissolved CH4 in soil solution would affect the CH4 emission from rice field, fluxes of CH4 emission were measured by using a manually closed static chamber-gas chromatography method, and the dissolved CH4 in soil solution was obtained through shaking soil solutions, which were extracted from different paddy soil layers by a soil solution sampler with suction and pressure. The results show that the CH4 fluxes from rice fields and the concentration of dissolved CH4 in soil solution are both reduced significantly under the water-saving irrigation as compared to the traditional flooded irrigation. Under the water-saving irrigation, naturally receding water-layer during the early stage leads to an earlier peak of CH4 flux, but dramatically reduces the concentration of dissolved CH4 in soil solution. The maximum concentration is shifted to about 20-cm depth soil layers, and the relationship between CH4 emissions and dissolved CH4 in soil solution can be estimated using an exponential function of dissolved CH4 in soil solution at the depth of about 20 cm (R2=0.89, p4 in soil solution plays a more dominant role in CH4 emission under the water-saving irrigation than that under continuously flooded irrigation.


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