C.L. Howell1*, K.Hoogendijk1,2, P.A. Myburgh1,3 and E.L. Lategan2
(1) ARC Infruitec-Nietvoorbij, Private Bag X5026, 7599, Stellenbosch, South Africa.
(2) Soil Science Department, University of Stellenbosch, Private Bag X1, 7602 Matieland, South Africa. (3) Retired
Submitted for publication: September 2022 Accepted for publication: October 2022