technologies Traditional stone wall terraces [South Africa] Stone walls built on sloping fields to create terraces for cultivation and conservation: both ancient and contemporary. جامع المعلومات: William Critchley 01/02/2011 10:18 ص
technologies Agronomic & vegetative rehabilitation [South Africa] Combinations; cultivation & vegetative جامع المعلومات: Klaus Kellner 01/24/2011 9:56 ص
technologies Water Harvesting & Basin tillage [South Africa] In-field water harvesting technique جامع المعلومات: Cobus Botha 02/03/2011 7:31 م
technologies Controlling of soil erosion during crop production [South Africa] The technology that applies contouring, mulching and intercropping in SWC. جامع المعلومات: Ursula Gaemperli 02/09/2011 9:28 ص
technologies Sub-surface drainage on irrigated lands [South Africa] Drainage of saturated and salinised soils by means of sub-soil drainage pipes جامع المعلومات: Hans Edward King 01/16/2011 8:11 ص
technologies Gravity type inverted tyre structure [South Africa] Stabilising of gully erosion by means of gravity type inverted tyre structures filled with stone. جامع المعلومات: Mirjam Staehli 01/18/2011 7:55 م
technologies Chemical bush control [South Africa] To either clear or thin bush (trees) in encroached areas by chemical means. جامع المعلومات: Unknown User 01/19/2011 10:37 ص
technologies Rip-ploughing, oversowing [South Africa] Ripploughing and oversowing (sodsowing) of extensive grazing land in order to improve productivity of a semi-arid rangeland. جامع المعلومات: Unknown User 01/15/2011 5:45 م
technologies Water run-off control plan on cultivated land [South Africa] Artificially built watercourses with contour banks with a specific gradient جامع المعلومات: Ursula Gaemperli 01/18/2011 2:23 م
technologies Restoration on degraded duplex soils [South Africa] Restoration of degraded grazing land. جامع المعلومات: Francois De Wet 01/19/2011 6:53 م
