technologies Traditional stone wall terraces [South Africa] Stone walls built on sloping fields to create terraces for cultivation and conservation: both ancient and contemporary. អ្នកចងក្រង៖ William Critchley 2 មករា 2011, 10:18
technologies Agronomic & vegetative rehabilitation [South Africa] Combinations; cultivation & vegetative អ្នកចងក្រង៖ Klaus Kellner 24 មករា 2011, 9:56
technologies Water Harvesting & Basin tillage [South Africa] In-field water harvesting technique អ្នកចងក្រង៖ Cobus Botha 3 កុម្ភះ 2011, 19:31
technologies Controlling of soil erosion during crop production [South Africa] The technology that applies contouring, mulching and intercropping in SWC. អ្នកចងក្រង៖ Ursula Gaemperli 9 កុម្ភះ 2011, 9:28
technologies Sub-surface drainage on irrigated lands [South Africa] Drainage of saturated and salinised soils by means of sub-soil drainage pipes អ្នកចងក្រង៖ Hans Edward King 16 មករា 2011, 8:11
technologies Gravity type inverted tyre structure [South Africa] Stabilising of gully erosion by means of gravity type inverted tyre structures filled with stone. អ្នកចងក្រង៖ Mirjam Staehli 18 មករា 2011, 19:55
technologies Chemical bush control [South Africa] To either clear or thin bush (trees) in encroached areas by chemical means. អ្នកចងក្រង៖ Unknown User 19 មករា 2011, 10:37
technologies Rip-ploughing, oversowing [South Africa] Ripploughing and oversowing (sodsowing) of extensive grazing land in order to improve productivity of a semi-arid rangeland. អ្នកចងក្រង៖ Unknown User 15 មករា 2011, 17:45
technologies Water run-off control plan on cultivated land [South Africa] Artificially built watercourses with contour banks with a specific gradient អ្នកចងក្រង៖ Ursula Gaemperli 18 មករា 2011, 14:23
technologies Restoration on degraded duplex soils [South Africa] Restoration of degraded grazing land. អ្នកចងក្រង៖ Francois De Wet 19 មករា 2011, 18:53
