This paper describes the results of a field expedition work along the rivers Vakhsh and Pyandzh in Tajikistan and Afghanistan within the framework of a Joint Research Project: Investigation of natural resources of Central Asia and reconstruction of agriculture in Afghanistan, supported by the...

This article describes the first half of a history of uranium mines in the Fergana Valley of Central Asia, introduces the existing environment of the old mines, and analyzes a part of heavy metals of water resource in the surrounding. Fergana Valley itself has a long history of civilization, to...

The current status and trends of salinization are discussed with waterlogging of marginal land/plant and water resources problems including strategies for development of integrated biosaline crop-livestock agriculture based system on food-feed crops and forage legumes for better livelihood of...

This paper provides a description of current state of water resources assessment in Tajikistan, their use for the agriculture development and maintenance of irrigation infrastructures. The Vakhsh and Pyandzh River Basins and its tributaries in Tajikistan were directly surveyed during an...

In Uzbekistan, the integration of crops and livestock, and the use of manure as fertilizer, are traditional practices and is the basis of the farming systems, especially at smallholder level. Nowadays local farmers prefer to use traditional and low-cost technologies for recycling the livestock...

Depletion of water resources requires us to search for non-conventional strategies for water preservation and irrigation. Sustainable management of such water resources along with the development of sustainable irrigation systems will contribute to the stability of agricultural yield that is a...

The dramatic increase of poppy cultivation and opium production in Afghanistan has led to a serious drug addiction problem in te world. The rising heroin use, because of needle sharing, may lead to a much higher incidence of HIV infection and AIDS in Afghanistan in the future. We organized two...

This paper focuses on the drastic increase observed in the Japanese male suicide rate in the late 1990s and early 2000s and confirms unemployment and personal bankruptcy to be the associated socioeconomic factors behind the male suicide variation. Personal bankruptcy is also confirmed to be...

A univariate real-valued function is said to be completely monotone if it takes positive values and alternate the signs of its higher order derivatives, starting from everywhere negative first derivatives. We prove that the representative consumer's discount factor of a continuous-time economy...

We prove that every continuous-time model in which all consumers have time-homogeneous and time-additive utility functions and share a common probabilistic belief and a common discount rate can be reduced to a static model. This result allows us to extend some of the existing results on the...