Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Bunds (graded or level) Suited to altitude?Midland Suited to slope?

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Presentation transcript:

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Bunds (graded or level) Suited to altitude?Midland Suited to slope? 3-35% on cultivated land (level) 3-15% (graded), up to 5% for grassland Suited to rainfall conditions? 1400mm (graded) Suited to soil conditions? Not sandy, not stony, not shallow, moderately-well drained Suited to degraded land?Yes Land needsMedium Required level of labor input?High Required level of capital investment? Low Generates additional fodder?No Requires access to markets?Low Required level of cooperationHigh Hydrological purpose: Soil and water conservation Bio-physical purpose:Erosion reduction Socio-economic purposeIncreased crop yield Fanya Juu (graded or level) Hydrological purpose: Soil and water conservation Bio-physical purpose:Erosion reduction Socio-economic purposeIncreased crop yield Suited to altitude?Midland Suited to slope?3-15%, up to 5% for grassland Suited to rainfall conditions? mm >1400 if altitude m 1500 (level) > 1400mm (graded) Suited to soil conditions? Deep well drained soil not sandy not stony soils Suited to degraded land?No Land needsMedium Required level of labor input? High Required level of capital investment? Low Generates additional fodder?If combined with vegetation strip Requires access to markets?Low Required level of cooperationHigh SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Bench Terracing Suited to altitude?Midland, highland Suited to slope?15-50% Suited to rainfall conditions?All Suited to soil conditions? Deep well drained soil not sandy not stony soils Suited to degraded land?Yes Land needsMedium Required level of labor input?High Required level of capital investment? Low Generates additional fodder?Low Requires access to markets?Low Required level of cooperationHigh Hydrological purpose: Soil and water conservation Bio-physical purpose:Erosion reduction Socio-economic purposeIncrease crop productivity Conservation Tillage Hydrological purpose: Soil and water conservation Bio-physical purpose:Erosion reduction Socio-economic purposeIncrease crop productivity Suited to altitude?Midland, highland Suited to slope?All Suited to rainfall conditions?All Suited to soil conditions?Deep soil Suited to degraded land?No Land needsNo Required level of labor input? High Required level of capital investment? Low Generates additional fodder?Low Requires access to markets?Low Required level of cooperationLow SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Hillside Terraces (with or without trenches) Suited to altitude?Highland Suited to slope?15-50% Suited to rainfall conditions? <900mm Suited to soil conditions? Not vertisol, not sandy, medium-well drained Suited to degraded land?Yes Land needsMedium Required level of labor input?High Required level of capital investment? Low Generates additional fodder?If combined with vegetation strip Requires access to markets? Required level of cooperationHigh Hydrological purpose: Soil and water conservation Bio-physical purpose:Erosion reduction Socio-economic purposeIncreased yield Cut off drains/Waterways Hydrological purpose: Drainage Bio-physical purpose:Reduce soil erosion Socio-economic purposeIncreased yield Suited to altitude?Midland highland Suited to slope?< 50 % Suited to rainfall conditions? All Suited to soil conditions?Not on vertisol Suited to degraded land?Yes Land needsLow Required level of labor input?High Required level of capital investment? Low Generates additional fodder?If combined with vegetation strip Requires access to markets?Low Required level of cooperationHigh SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Hand-dug wells Hydrological purpose: Water storage Bio-physical purpose:- Socio-economic purposeCash crop in the dry season Suited to altitude?Lowland Suited to slope?< 35% Suited to rainfall conditions?All but access to groundwater Suited to soil conditions?Not stony, not shallow, not sandy Suited to degraded land?No Land needsMedium Required level of labor input?High Required level of capital investment? High Generates additional fodder?No Requires access to markets?High Required level of cooperationMedium Treadle pump Hydrological purpose: Water lifting Bio-physical purpose:- Socio-economic purposeCash crop in the dry season Suited to altitude?- Suited to slope?- Suited to rainfall conditions?All but access to water storage Suited to soil conditions?- Suited to degraded land?No Land needsNo Required level of labor input?High Required level of capital investment? Medium Generates additional fodder?No Requires access to markets?High Required level of cooperationLow SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells all Diesel pumps Hydrological purpose: Water lifting Bio-physical purpose:- Socio-economic purposeCash crop in the dry season Suited to altitude?- Suited to slope?- Suited to rainfall conditions?All but access to water storage Suited to soil conditions?- Suited to degraded land?No Land needsNo Required level of labor input?Low Required level of capital investment? High Generates additional fodder?No Requires access to markets?High Required level of cooperationLow Hydrological purpose: Water recharge Bio-physical purpose:Soil fertility Socio-economic purposeFodder for livestock Suited to altitude?- Suited to slope? < 50% Suited to rainfall conditions?- Suited to soil conditions?- Suited to degraded land?No Land needsNo Required level of labor input?Medium Required level of capital investment? Low Generates additional fodder?Yes Requires access to markets?Low Required level of cooperationLow Improved soil nutrient input (organic and inorganic fertilizer) SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells all Underground cisterns Hydrological purpose: Water storage Bio-physical purpose:- Socio-economic purposeSupplementary irrigation Suited to altitude?- Suited to slope?- Suited to rainfall conditions?- Suited to soil conditions?Deep, not vertisol Suited to degraded land?Yes Land needsMedium Required level of labor input?Medium Required level of capital investment? High Generates additional fodder?No Requires access to markets?High Required level of cooperationLow Percolation pond/ percolation pit Hydrological purpose: Water storage Bio-physical purpose: Socio-economic purposeIncreased crop yield Suited to altitude?Midland-highland Suited to slope? < 50% Suited to rainfall conditions?All Suited to soil conditions? Not vertisol, not sandy, moderately- well drained Suited to degraded land?Yes Land needsHigh Required level of labor input?Medium Required level of capital investment? Low Generates additional fodder?No Requires access to markets?No Required level of cooperationLow SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Pond Hydrological purpose: Water storage Bio-physical purpose:- Socio-economic purpose Supplementary irrigation for cash crop Suited to altitude?Midland-highland Suited to slope? < 50% Suited to rainfall conditions?- Suited to soil conditions? Not vertisol, not sandy, moderately- well drained Suited to degraded land?No Land needsYes Required level of labor input?High Required level of capital investment? Medium Generates additional fodder?- Requires access to markets?High Required level of cooperationLow Drip irrigation Hydrological purpose: Water lifting Bio-physical purpose:- Socio-economic purposeImproved yield Suited to altitude?- Suited to slope?- Suited to rainfall conditions?< 900 mm, access to water Suited to soil conditions? Not on sandy, moderately-well drained Suited to degraded land? No Land needsNo Required level of labor input?Low Required level of capital investment? High Generates additional fodder?No Requires access to markets?High Required level of cooperationLow SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells all Roof water harvesting Hydrological purpose: Water storage Bio-physical purpose: Socio-economic purpose Supplementary irrigation for cash crop Suited to altitude?- Suited to slope?- Suited to rainfall conditions?All Suited to soil conditions?- Suited to degraded land?Yes Land needsLow Required level of labor input?Low Required level of capital investment? High Generates additional fodder?No Requires access to markets?Medium Required level of cooperationLow Micro dam construction Hydrological purpose: Water storage Bio-physical purpose:- Socio-economic purpose Supplementary irrigation for cash crop Suited to altitude?Midland-lowland Suited to slope?< 50% Suited to rainfall conditions?- Suited to soil conditions?- Suited to degraded land?Yes Land needsMedium Required level of labor input?High Required level of capital investment? High Generates additional fodder?No Requires access to markets?High Required level of cooperationMedium SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells all Hydrological purpose: Increase infiltration Bio-physical purpose:Reduce erosion Socio-economic purposeIncrease high quality fodder Suited to altitude?All but on degraded grassland only Suited to slope?All Suited to rainfall conditions?All Suited to soil conditions?All Suited to degraded land?Yes Land needsYes Required level of labor input?Low Required level of capital investment? Low Generates additional fodder?Yes Requires access to markets?Medium Required level of cooperationHigh Tied ridge Hydrological purpose: In-situ water storage Bio-physical purpose:Restore degraded land Socio-economic purposeCultivation on degraded land Suited to altitude?- Suited to slope? Suited to rainfall conditions? < 900 mm <1400 mm if altitude <2300m Suited to soil conditions? Moderately -deep, not sandy, medium-well drained Suited to degraded land?No Land needsYes Required level of labor input?Medium Required level of capital investment? High Generates additional fodder?No Requires access to markets?Low Required level of cooperationLow Area exclosure with enrichment planting SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells all Diversion Weir Hydrological purpose: Use of river Bio-physical purpose:- Socio-economic purpose Supplementary irrigation for cash crop Suited to altitude?Lowland Suited to slope?- Suited to rainfall conditions?All but proximity to river Suited to soil conditions?Not sandy soils Suited to degraded land?Yes Land needsMedium Required level of labor input?High Required level of capital investment? Medium-high Generates additional fodder?No Requires access to markets?High Required level of cooperationHigh Limiting animal movement Hydrological purpose: Increased water infiltration Bio-physical purpose:Grazing land improvement Socio-economic purpose- Suited to altitude? - Suited to slope? - Suited to rainfall conditions? - Suited to soil conditions? Suited to degraded land?Yes Land needsLow Required level of labor input?Low Required level of capital investment? Low Generates additional fodder?- Requires access to markets?Low Required level of cooperationHigh SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Checkdams Hydrological purpose: Soil and water conservation Bio-physical purpose:Soil fertility Socio-economic purpose- Suited to altitude?Midland Suited to slope? 1-35% Suited to rainfall conditions?All Suited to soil conditions?All Suited to degraded land?All Land needsYes Required level of labor input?Low Required level of capital investment? High Generates additional fodder?If vegetative check dam Requires access to markets?Low Required level of cooperationMedium Grass strips along contour Suited to altitude?Midland Suited to slope?< 15% Suited to rainfall conditions?> 900 mm Suited to soil conditions?- Suited to degraded land?Yes Land needsHigh Required level of labor input?Medium Required level of capital investment? Low Generates additional fodder?Yes Requires access to markets?Low Required level of cooperationLow Hydrological purpose: Soil and water conservation Bio-physical purpose:Soil fertility Socio-economic purposeForage for livestock SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Crop-based fertility management (Legume, intercropping, crop rotation) Hydrological purpose: Water recharge Bio-physical purpose:Soil fertility Socio-economic purposeFodder for livestock Suited to altitude?- Suited to slope? < 50% Suited to rainfall conditions?- Suited to soil conditions?- Suited to degraded land?No Land needsNo Required level of labor input?Medium Required level of capital investment? Low Generates additional fodder?Yes Requires access to markets?Low Required level of cooperationLow Hydrological purpose: Increased water efficiency Bio-physical purpose:- Socio-economic purposeIncreased livestock productivity Suited to altitude?- Suited to slope?- Suited to rainfall conditions?- Suited to soil conditions?- Suited to degraded land?No Land needsNo Required level of labor input?Medium Required level of capital investment? High Generates additional fodder?No Requires access to markets?High Required level of cooperationLow Improved livestock breeds SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Orchards (fruit) Hydrological purpose: Ground water recharge Bio-physical purpose:Erosion reduction Socio-economic purposeTimber, fruit and fodder Suited to altitude?- Suited to slope? - Suited to rainfall conditions?Depends on the fruit Suited to soil conditions?Deep soil Suited to degraded land?Yes Land needsHigh Required level of labor input?Medium Required level of capital investment? Medium Generates additional fodder?No Requires access to markets?High Required level of cooperationLow Woodlots Hydrological purpose: Ground water recharge Bio-physical purpose:Erosion reduction Socio-economic purposeTimber, fruit and fodder Suited to altitude?- Suited to slope?- Suited to rainfall conditions?Depends on tree type Suited to soil conditions?Depends on tree type Suited to degraded land?Yes Land needsYes Required level of labor input?Medium Required level of capital investment? Medium Generates additional fodder?Yes if multipurpose tree Requires access to markets?Low Required level of cooperationLow SA :

Hand dug shallow wellPractice Group: WellsHand dug shallow wellPractice Group: Wells Contour hedgerow/ boundary planting Hydrological purpose: Ground water recharge Bio-physical purpose:Erosion reduction Socio-economic purposeTimber, fruit and fodder Suited to altitude?- Suited to slope?- Suited to rainfall conditions?Depends on tree type Suited to soil conditions?Depends on tree type Suited to degraded land?Yes Land needsLow Required level of labor input?Low Required level of capital investment? Low Generates additional fodder?Yes if multipurpose tree Requires access to markets?Low Required level of cooperationLow Over-sewing Hydrological purpose: - Bio-physical purpose:Grazing land productivity Socio-economic purposeIncreased high quality fodder Suited to altitude? - Suited to slope? - Suited to rainfall conditions? - Suited to soil conditions?- Suited to degraded land?Yes on grassland land Land needsNo Required level of labor input?Low Required level of capital investment? Low Generates additional fodder?Yes Requires access to markets?Medium Required level of cooperationMedium SA :