By Vytautas Pilipavičius
This publication is a suite of chapters, about the advancements in the Agroecology box of research. The e-book contains scholarly contributions by way of a variety of authors pertinent to Agricultural and organic Sciences. each one contribution comes as a separate bankruptcy whole in itself yet at once regarding the book's issues and goals. the objective viewers contains students and experts within the box.
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Extra resources for Agroecology
The different key components of drylands (land, water, nutrients, and energy) are deeply interconnected: changes in one component will affect the other . According to Knips,  IGAD region could be divided into seven ecological Zones, namely: desert, arid, semi-arid, sub-humid, humid, highland and urban/peri-urban ecological zones (Figure 2). Figure 2. A Figure map showing themap agro-ecological zones IGAD region 2. 2. 2. Major farming systemssystems in the region zones in IGAD region region: As well documented in the literature, and based on Schiere,  farming system typologies As well documented in the literature, and based on Schiere,  farming system are dictated by climate, production goals and culture with a farming system being described typologies are dictated by climate, production goals and culture with a farming as a unit consisting of a human group (usually a household) and the resources it manages in system being described as a unit consisting of a human group (usually a household) its environment, involving the direct production of plant and/or animal products .
Based on this definition and on two factors, namely the available natural resource base and the dominant patterns of consumption and household livelihoods, they mentioned about 13 farming systems in Africa in general; these systems are: 1. Maize mixed farming systems: sub-humid and humid, in east, central and southern Africa. 2. Agro-pastoral farming systems: semi-arid areas, west, east and southern Africa. 3. Cereal root crop mixed farming system: sub-humid areas, west and central Africa. 4. Root and tuber crop farming systems: lowland areas, west and central Africa.
Water reserves were limited to the area between the Jubba and Shabelle Rivers and outside of this area there were only wells . Agriculture is by far the dominant sector in the economy: it contributes to more than 65% of GDP. The nomadic livestock sub-sector accounts for more than 44% of agricultural GDP and 50% of total agricultural employment. Nomadic livestock is the main source of Somali livelihoods. 5772/60012 source of the country’s foreign currency earnings . The Somali economy is the only one in the world where over half of the population is dependent on nomadic pastoralism .
Agroecology by Vytautas Pilipavičius