Advances in soil physics and soil water management research in South Africa, 1979–2003

Bennie, A. T.P.; Hensley, M.

doi:10.1080/02571862.2004.10635063

Cited by 10 publications

(5 citation statements)

References 49 publications

(36 reference statements)

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“…In contrast, the present study demonstrated that a constantly high soil water content had no notable effects on grapevine vegetative growth except véraison, compared with non-irrigated grapevines (Table 2). Low soil temperature caused by waterlogged soil condition restricted grapevine growth (Bennie and Hensley, 2004). In the present study, there was no difference in soil temperature between non-irrigated and irrigated experimental plots due to sheet treatment to maintain a constantly high soil water content.…”

Section: Discussioncontrasting

confidence: 57%

Effects of constantly high soil water content on vegetative growth and grape quality in Japan with high rainfall during grapevine growing season

Kobayashi

Yamamoto

Ikeda

et al. 2020

Folia Horticulturae

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Excess water in vineyard soils during grapevine growing season is expected to become a critical issue in Japan. The objective of this study was to investigate the effects of constantly high soil water content which was controlled at constantly more than 20% water content in soil on vegetative growth and berry quality of Cabernet Sauvignon over a 3-year growing season. A wireless sensor networking system for real-time monitoring of soil moisture was used to check that the experimental plot had constantly more than 20% water content in soil. Véraison in the experimental plot controlled at constantly high soil water content started 10 days, 4 days and 1 day later than that in the non-irrigated experimental plot in the 2017, 2018 and 2019 growing seasons, respectively. The constantly high soil water content had no notable effects on berry quality, such as berry characteristics and berry composition, at harvest compared with the non-irrigated experimental plot, although there was a certain tendency that constantly high soil water content decreased anthocyanin contents in berry skins compared with those of non-irrigated grapevines during the three growing seasons. We postulated that waterlogging damage due to the increase in soil water content by frequent rainfall would be minimised by the selection of rootstock that confers tolerance to waterlogging stress for scion cultivars and/or viticultural practices to prevent decrease in soil temperature. Also, the introduction of Internet of Things technology for monitoring water status in vineyard soil is expected to contribute to improving practical approaches to vineyard soil water management.

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Section: Discussioncontrasting

confidence: 57%

Effects of constantly high soil water content on vegetative growth and grape quality in Japan with high rainfall during grapevine growing season

Kobayashi

Yamamoto

Ikeda

et al. 2020

Folia Horticulturae

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“…This scenario is even worse when water loss through runoff, evaporation and deep drainage occur on unproductive soils. According to Bennie and Hensley (2004) high-energy rainstorms combined with soil crusting, floods, hail, frost and varying intensity of droughts are commonplace in South African dryland production. Le Roux et al (2008) reported an annual topsoil loss of 13 metric ton per hectare in South Africa due to water erosion alone.…”

Section: The Importance Of Ca For Rain-fed Productionmentioning

confidence: 99%

Conservation Agriculture in rainfed annual crop production in South Africa

Strauss

Swanepoel

Laker

et al. 2021

South African Journal of Plant and Soil

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The pressures from population growth, changing diets and climate change are driving the need to transform global food production to ensure efficiency, improved reliability and more sustainable production methods. The arable land for crop production and permanent pastures in South Africa account for 10 to 12 percent of the total land surface. South Africa is classified as semi-arid, with the average rainfall below the world average. Dryland agriculture thus has to identify and promote management systems with high water-use efficiency; this is crucial in a country with a debilitating water deficit. Climate change is expected to exacerbate climate variability in South Africa and thus exert even more pressure on rain-fed dryland production. Conservation Agriculture is a holistic set of principles aimed as a guide to sustainable, reliable and climate smart farming practices. Although initially set as a guide for grain farmers the principles are also applicable, through adaptation of the three basic principles, to other agricultural commodities. The three principal system have been extensively promoted with successful adoption and adaptation in many countries. This paper aims to highlight the research results and challenges of rain-fed Conservation Agriculture in South Africa.

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“…The poor efficiency was in spite of the mulches during the 2000/01 period. Bennie and Hensley () explained that mulch loses its water conservation advantage when drying cycles exceed 15 – 20 days under semi‐arid conditions. An analysis of the climatic conditions showed that the 2000/01 fallow period was very dry compared to the 2001/02 season.…”

Section: Role and Function Of Irwhmentioning

confidence: 99%

The Nature and Function of the In‐field Rainwater Harvesting System to Improve Agronomic Sustainability

Rensburg

Botha

Anderson

et al. 2012

Irrigation and Drainage

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Hensley et al. (2000) proposed an in‐field rainwater harvesting (IRWH) technique for rural farmers located east of Bloemfontein South Africa, a semi‐arid environment. This technique combines the advantages of water harvesting, no‐till and basin tillage to stop ex‐field runoff on high clay soils. The full agronomic potential of the IRWH technique has not, however, been reached because the main cause of water loss is evaporation. Evaporation dominates the hydrological cycle in semi‐arid environments. This paper reviews the nature and design of the IRWH system, specifically the effect of mulch type on evaporation and yield. The effect of mulch type on yield is described by an infiltration ratio of the basin versus the runoff area over a period of three years. The function of the basin and catchment area is also discussed. The function of the basin area was to stop ex‐field runoff completely, to maximize infiltration and to store the collected water in the soil layers beneath the evaporation sensitive zone. The catchment area was designed to promote in‐field runoff and to act as a storage medium for water. Results from this research provide a new perspective on mulch management within water harvesting systems. Copyright © 2012 John Wiley & Sons, Ltd.

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Advances in soil physics and soil water management research in South Africa, 1979–2003

Cited by 10 publications

References 49 publications

Effects of constantly high soil water content on vegetative growth and grape quality in Japan with high rainfall during grapevine growing season

Effects of constantly high soil water content on vegetative growth and grape quality in Japan with high rainfall during grapevine growing season

Conservation Agriculture in rainfed annual crop production in South Africa

The Nature and Function of the In‐field Rainwater Harvesting System to Improve Agronomic Sustainability

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