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Browsing by Author "Vahrmeijer, JT"

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Are sap flow measurements useful for determining water use of fruit orchards, when absolute values are important?

Author: Taylor, NJ ; Ibraimo, NA ; Annandale, JG ; Everson, CS ; Vahrmeijer, JT ; Gush, Mark B Date: Jun 2013 The determination of accurate figures for orchard water use is critical for improved irrigation scheduling and for the issuing of water licenses. Under- or over estimations can have serious implications for production and water resources in ... Read more
Citrus water use in South Africa

Author: Vahrmeijer, JT ; Annandale, JG ; Gush, Mark B ; Taylor, NJ Date: Sep 2012 Agriculture, as the largest user of fresh water worldwide, is under close scrutiny to justify its use of water due to the increase in competition from a number of end-users. Apart from on-farm measures to increase water use efficiency, ... Read more
Crop coefficient approaches based on fixed estimates of leaf resistance are not appropriate for estimating water use of citrus

Author: Taylor, NJ ; Mahohoma, W ; Vahrmeijer, JT ; Gush, Mark B ; Allen, RG ; Annandale, JG Date: 01 Mar 2015 The estimation of crop water use is critical for accurate irrigation scheduling and water licenses. However, the direct measurement of crop water use is too expensive and time-consuming to be performed under all possible conditions, which ... Read more
Understanding the dynamics of citrus water use

Author: Taylor, NJ ; Annandale, JG ; Vahrmeijer, JT ; Gush, Mark B Date: Dec 2012 The quantification of water use of citrus orchards is important in order to prevent stress developing in the orchard and to avoid wasting precious water resources. Measurement of citrus orchard water use is not possible under all environ-mental ... Read more

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Browsing by Author "Vahrmeijer, JT"

Browsing by Author "Vahrmeijer, JT"

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All of ResearchSpace

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Legislation and compliance

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