Download Alternative irrigation: the promise of runoff agriculture by Christopher J Barrow PDF

By Christopher J Barrow

An creation to runoff agriculture - a sort of agricultural irrigation - this article describes how using floor and subsurface water, frequently ignored and wasted, allows either small farmers and advertisement agriculturists to enhance yields and the safety of harvest, even in harsh and distant environments. The textual content introduces the innovations and methods, in addition to the demanding situations and the potential for the an important process, that can give a contribution quite a bit to lowering land degradation and bettering conservation and sustainability.

Show description

Read Online or Download Alternative irrigation: the promise of runoff agriculture PDF

Similar water quality & treatment books

Groundwater Chemicals Desk Reference

This can be a nice textual content packed with precious info on over four hundred chemical compounds. The textual content deals info on melting aspect, density, Henry's legislations consistent, soil sorption coefficient, octanol/water partition coefficient, solubility in organics and water, vapor density and strain. The textual content contains a part on every one chemical discussing environmental destiny, toxicity, consuming water ordinary and use of every chemical.

Integrated Watershed Management: Connecting People to their Land and Water

As human populations extend and calls for upon common assets elevate, the necessity to deal with the environments during which humans dwell turns into extra very important but in addition more challenging. Land and water administration is mainly severe because the use of upstream watersheds can greatly impact huge numbers of individuals dwelling in downstream watersheds.

Pesticides in the Atmosphere: Distribution, Trends, and Governing Factors (Pesticides in the Hydrologic System)

Most folk learn about the presence and wellbeing and fitness results of pesticide residues within the water they drink. even though, they might not discover the influence of atmospheric transportation and deposition of insecticides on water caliber. clinical experiences of insecticides in numerous atmospheric matrices (air, rain, snow, aerosols, and fog) supply the various solutions.

Transboundary Water Management in a Changing Climate

So much huge river basins on the earth are transboundary. adventure with such basins emphasizes the pressing want for extra effective transnational water administration. This publication information fresh projects undertaken within the Meuse basin (North-West Europe) to improve a transnational model technique to care for the influence of weather switch.

Extra resources for Alternative irrigation: the promise of runoff agriculture

Sample text

People may have settled steep lands to avoid conflict or competition with others, to escape lowland diseases or climate, because they can develop a diversified livelihood strategy by exploiting different altitude zones, or for the reason that there is little other unsettled land available. Some of these steep lands have large and growing populations (the mountain areas of Rwanda may support over 800 persons per square kilometre — IFAD, 1992, p23) who need to adopt effective SWC and runoff agriculture.

These impacts should not be underestimated; there are too many examples of large numbers of people who have suffered socio-economic and health problems, of land degraded and biodiversity destroyed. For example, the Aral Sea bears testimony to ill-conceived irrigation development. In 1961 the Aral Sea was the world's fourth largest inland waterbody, with rich fisheries and flourishing communities around it; by 1990 its volume had shrunk by 69 per cent and the water was badly contaminated by salts, pesticides and fertilizer from the return flows of cotton and rice irrigation in the southern Commonwealth of independent States (CIS, former USSR).

Investment in these strategies has been comparatively neglected; yet such strategies should: • cost less than large scale irrigation schemes; • help reduce urban migration by improving or sustaining rural livelihoods; • counter soil degradation; • cut dependency because it can use local materials and reduces the need for food import; • help recharge groundwater, reduce flood damage caused by uncontrolled runoff, improve regularity and quantity of streamflow; • help those seeking to conserve flora and fauna.

Download PDF sample

Rated 4.04 of 5 – based on 12 votes