kariba rural district- natural farming...

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GumunyuClinic

Gatse GatseGvt Clinic

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ChidamoyoMissionHospital

ChararaFarmClinic

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KARIBA RURAL DISTRICT- Natural Farming Regions14 February 2012

Map data source(s):Vector data from Surveyor General. Natural farmingregions from AgritexDisclaimers:The designations employed and the presentation ofmaterial on this map do not imply the expression of anyopinion whatsoever on the part of the Secretariat of theUnited Nations concerning the legal status of any country,territory, city or area or of its authorities, or concerning thedelimitation of its frontiers or boundaries.

Map Doc Name:GLIDE Number:Creation Date:Projection/Datum:Web Resources:Nominal Scale at A0 paper size: 1:0

ZWE-PLANNING_01_A0_120214_Kariba_Agro-Ecology

14 February 2012Arc 1960

http://ochaonline.un.org/zimbabwe

LegendSmall TownPlace of local ImportanceMissionMine

Primary School

Secondary School

Health Facility

Province Boundary

District Boundary

Ward Boundary

Major RoadSecondary RoadFeeder RoadConnector RoadTrack

Railway Line

Main River

Natural Farming Regions 1 - Specialized and diversified farming2A - Intensive farming2B - Intensive farming3 - Semi-intensive farming4 - Semi-extensive farming5 - Extensive farming

RELATED FARMING SYSTEMSRegion I - Specialized and Diversified Farming: Rainfall in this region is high (morethan 1000mm per annum in areas lying below 1700m altitude, and more than 900mmper annum at greater altitudes), normally with some precipitation in all months of theyear.Temperatures are normally comparatively low and the rainfall is consequently highlyaffective enabling afforestation, fruit and intensive livestock production to be practiced.In frost-free areas plantation crops such as tea, coffee and macadamia nuts can begrown, where the mean annual rainfall below 1400mm, supplementary irrigation ofthese plantation crops is required for top yields.Region IIA - Intesive Farming : Rainfall is confined to summer and is moderatelyhigh (750-1000mm). Two sub-regions have been defined. Sub-region IIA receives anaverage of at least 18 rainy pentads per season and normally enjoys reliableconditions, rarely experiencing severe dry spells in summer. The region is suitable forintensive systems of farming based on crops and /or livestock production.Region IIB - Intesive Farming : This sub-region receives an average of 16-18 rainypentads per season and is subject either to rather more severe dry spells during therainy season or to the occurrence of relatively short rainy seasons. In either event,crop yields in certain years will be affected, but not sufficiently and frequently tochange the overall utilization from intensive systems of farming.Region III - Semi-Intensive Farming : Rainfall in this region is moderate in totalamount (650-800mm), but, because much of it is accounted for by infrequent heavyfalls and temperatures are generally high, its effectiveness is reduced. This region willreceive an average of 14-16 rainy pentads per season. The region is also subject fairlysevere mid-season dry spells and therefore is marginal for maize, tobacco and cottonproduction,or for enterprises based on crop production alone. The farming systems, in conformitywith the natural conditioning factors, should therefore be based on both livestckproduction (assisted by the production of fodder crops) and cash crops under goodmanagement on soils of high available moisture potential.Region IV - Semi-Extensive Farming : This region experiences fairly low total rainfall(450-650mm) and is subject to periodic seasonal droughts and severe dry spellsduring the rainy season. The rainfall is too low and uncertain for cash cropping exceptin certain very favourable localities, where limited drought-resistant crops can afford asideline.The farming system should be based on livestock production, but it can be intensifiedto some extent by the growing of drought-tolerant fodder crops.Region V - Extensive Farming : The rainfall in this region is too low and erratic for thereliable production of even drought-resistant fodder and grain crops, and farming hastobe based on the utlization of veld alone. The extensive form of cattle ranching or gameranching is the only sound farming system for this region. Included in this region areareas of below 900m altitude, where the mean rainfall is below 650mm in the Zambezivalley and below 600mm in the Save-Limpopo valleys.

NOTE:A rainy pentad is defined as the centre one of three five-day periods (pentads) whichtogether receive more than 40 mm and two of which receive at least 8 mm of rainfall.