Effects of selected soil and water conservation techniques on runoff, sediment yield and maize productivity under sub-humid and semi-arid conditions in Kenya

Ngetich, Felix K.; Diels, Jan; Shisanya, C.A.; Mugwe, J. N.; Mucheru-Muna, M.; Mugendi, Daniel N.

doi:10.1016/j.catena.2014.05.026

Cited by 72 publications

(46 citation statements)

References 45 publications

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“…The problem lies in the incorrect association between land-use, soil type and relief, which can produce and/or increase the rate of sediment production by runoff (Rosa et al, 2000;Tullos and Neumann, 2006;Ngetich et al, 2014). In this context, areas with inappropriate land-use (concerning relief and soil) were considered the priority sites for restoration, focusing on water conservation.…”

Section: Criterionmentioning

confidence: 98%

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Priority areas for forest restoration aiming at the conservation of water resources

Vettorazzi

Valente

2016

Ecological Engineering

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Section: Criterionmentioning

confidence: 98%

“…The greater the intensity and frequency of rainfall, the highest the chances of roads increase the production of sediments. Unsuitable land use in sensitive locations, in terms of relief and soils, enhances the sediment production (Tullos and Neumann, 2006;Ngetich et al, 2014).…”

Section: Solutionmentioning

confidence: 99%

Priority areas for forest restoration aiming at the conservation of water resources

Vettorazzi

Valente

2016

Ecological Engineering

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“…Runoff depth was calculated using runoff volume and plot areas. Runoff coefficient was determined and expressed in percentage using the following equation (Ngetich et al, 2014):…”

Section: Discussionmentioning

confidence: 99%

“…Runoff depth was calculated using runoff volume and plot areas. Runoff coefficient was determined and expressed in percentage using the following equation (Ngetich et al ., ):

italicRC = \frac{Q}{P}

Where : P is the rainfall depth (mm) and Q is the runoff depth (mm).…”

Section: Methodsmentioning

confidence: 99%

Controllability of Phosphorus Losses in Surface Runoff from Sloping Farmland Treated by Agricultural Practices

et al. 2017

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Phosphorus (P) loss from arable sloping land due to water erosion causes off‐site environment pollution in the Three Gorges area in China. This study aims to estimate the effects of agricultural practices on the reduction of P losses during water erosion processes under natural precipitation conditions: contour culturing with organic matter addition (CT + OM), contour culturing with wheat straw mulching (CT + SM), contour culturing with straw mulching and organic matter addition (CT + OM + SM) and conventional downslope culturing framework as a control (CK). Results demonstrated that CT + OM + SM could viably diminish runoff, sediment yields and P losses from arable sloping land. Compared with CK, CT + OM, CT + SM and CT + OM + SM lessened the surface runoff depths by 19%, 34% and 50%, respectively. A high curve number value induced a notable runoff potential from the plot. The surface‐runoff‐related total P (TP) loads for CK with yearly measures of 1·56 kg ha−1 were significantly higher than those for CT + OM, CT + SM and CT + OM + SM at 1·07, 0·77 and 0·51 kg ha−1 (p < 0·05), respectively. With all things considered, the particulate P losses represented a significant division of TP losses, adding up to almost 80% in 2014 and 79% in 2015. The outcomes demonstrated that surface protection and organic matter addition are two of the greatest agricultural protection practices that lessen P losses in the surface runoff from sloping farmland by water erosion. Copyright © 2017 John Wiley & Sons, Ltd.

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“…Summary of desired outputs from arable ecosystems, the management interventions designed to achieve these goals, and the system components and processes that provide the mechanism by which management results in output. (Ngetich et al 2014) resulting in a decrease in crop production efficiency and increases in water pollution Soil water quality is measured using ceramic cup lysimeters to collect soil water to depths of 10, 30, and 50 cm of resilience in the emerged weed community to change in management (Hawes et al 2005). Functional diversity and composition of the emerged flora are necessary to support a wide range of invertebrate trophic and functional groups (Hawes et al 2003, 2010, Karley et al 2008, Storkey et al 2013) that provide essential ecosystem services such as pollination, natural enemy predation of crop pests, and decomposition of dead organic matter in the soil (Dungait et al 2013, Shackleford et al 2014, Hawes 2016, Jeanneret et al 2016.…”

Section: System Indicatorsmentioning

confidence: 99%

A whole‐systems approach for assessing measures to improve arable ecosystem sustainability

Hawes

Begg

Iannetta

et al. 2016

Ecosyst Health Sustain

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There is increasing pressure on the agricultural industry to maintain or increase production of high‐quality food while maintaining long‐term environmental sustainability. UK and EU policies and practices have been developed and implemented in an attempt to improve the sustainability and efficiency of arable farming and satisfy these potentially conflicting requirements. However, to the authors' knowledge, there has been no attempt to quantify whether new interventions have the desired effect on improving sustainability at a whole‐systems level. Most studies focus on one, or a few, elements of a specific system and therefore fail to account for trade‐offs and conflicts between the many different interacting components. Here, we propose a whole‐systems approach based on a suite of indicators for a complete and holistic assessment of the efficacy of policies to improve economic, environmental, and ecological sustainability.

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Effects of selected soil and water conservation techniques on runoff, sediment yield and maize productivity under sub-humid and semi-arid conditions in Kenya

Cited by 72 publications

References 45 publications

Priority areas for forest restoration aiming at the conservation of water resources

Priority areas for forest restoration aiming at the conservation of water resources

Controllability of Phosphorus Losses in Surface Runoff from Sloping Farmland Treated by Agricultural Practices

A whole‐systems approach for assessing measures to improve arable ecosystem sustainability

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