| Leaching irrigated saline sandy to sandy loam apedal soils with water of a constant salinity JH Barnard, LD van Rensburg, ATP Bennie Irrigation science 28, 191-201, 2010 | 74 | 2010 |
| Effect of irrigation water and water table salinity on the growth and water use of selected crops L Ehlers, JH Barnard, SB Dikgwatlhe, LD Van Rensburg, GM Ceronio, ... Water Research Commission Report, 07, 2007 | 31 | 2007 |
| Phosphorus management issues for crop production: A review T Mardamootoo, CC Du Preez, JH Barnard African Journal of Agricultural Research 17 (7), 939-952, 2021 | 27 | 2021 |
| Managing salinity associated with irrigation at Orange-Riet and Vaalharts Irrigation Schemes LD Van Rensburg, JH Barnard, ATP Bennie, JB Sparrow, CC Du Preez Water Research Commission (WRC): Pretoria, South Africa, 2012 | 24 | 2012 |
| Risk Based, Site-specific, Irrigation Water Quality Guidelines: Description of decision support system M Du Plessis, J Annandale, N Benadé, M Van der Laan, HS Jooste, ... Water Research Commission, 2017 | 21 | 2017 |
| Modelling the economic tradeoffs between allocating water for crop production or leaching for salinity management N Matthews, B Grové, JH Barnard, LD Van Rensburg Water SA 36 (1), 2010 | 16 | 2010 |
| Short-term effects of conservation agriculture strategies on the soil quality of a Haplic Plinthosol in Eastern Cape, South Africa I Gura, PNS Mnkeni, CC Du Preez, JH Barnard Soil and Tillage Research 220, 105378, 2022 | 14 | 2022 |
| SWAMP: A soil layer water supply model for simulating macroscopic crop water uptake under osmotic stress JH Barnard, ATP Bennie, LD Van Rensburg, CC Du Preez Agricultural Water Management 148, 150-163, 2015 | 11 | 2015 |
| Simulating water uptake of irrigated field crops from non-saline water table soils: validation and application of the model SWAMP JH Barnard, LD Van Rensburg, ATP Bennie, CC Du Preez Agricultural water management 126, 19-32, 2013 | 11 | 2013 |
| Formulating and assessing best water and salt management practices: lessons from non-saline and water-logged irrigated fields JH Barnard, N Matthews, CC du Preez Agricultural Water Management 247, 106706, 2021 | 8 | 2021 |
| Risk based, site specific, irrigation water quality guidelines: Volume 1 Description of decision support system. WRC Report No. TT 727/17 M Du Plessis, J Annandale, N Benade, M Van der Laan, S Jooste, ... Water Research Commission, Private Bag X 103, 0031, 2017 | 8 | 2017 |
| Agricultural phosphorus management for environmental protection: A review T Mardamootoo, CC Du Preez, JH Barnard Journal of geoscience and environment protection 9 (8), 48-81, 2021 | 7 | 2021 |
| Determining the water footprints of selected field and forage crops, and derived products in South Africa H Jordaan, E Owusu-Sekyere, M Scheepers, P Nkhuoa, J Barnard University of the Free State: Bloemfontein, South Africa, 2019 | 6 | 2019 |
| Soil depth inferred from electromagnetic induction measurements J VAN TOL, J BARNARD, L VAN RENSBURG, P LE ROUX African Journal of Agricultural Research 8 (6), 519-524, 2013 | 6 | 2013 |
| On-farm water and salt management guidelines for irrigated crops: Level three decision support JH Barnard, LD Van Rensburg, R Van Antwerpen, PS Van Heerden, ... Water Research Commission, Report No K 5, 2020 | 5 | 2020 |
| Malt barley (Hordeum vulgare L.) water use and grain yield response to saline irrigation under shallow groundwater table conditions VN Mathinya, LD van Rensburg, SSW Mavimbela, JH Barnard Irrigation and Drainage 68 (5), 867-880, 2019 | 5 | 2019 |
| Water and salt balances of two shallow groundwater cropping systems using subjective and objective irrigation scheduling JH Barnard, LD van Rensburg, ATP Bennie, CC du Preez Water SA 43 (4), 581-594, 2017 | 4 | 2017 |
| On-farm management of salinity associated with irrigation for the Orange-Riet and Vaalharts schemes JH Barnard University of the Free State, 2013 | 4 | 2013 |
| Leaching of excess salts from the root zone of apedal soils JH Barnard University of the Free State, 2006 | 4 | 2006 |
| Spatial characterization of total salt in non-saline soil solutions through electromagnetic induction JH Barnard, CC du Preez Catena 216, 106395, 2022 | 2 | 2022 |
