មានតែទិន្នន័យដែលបានប្រកាសជាសាធារណៈ ទើបអាចមើលឃើញ។

លទ្ធផលស្វែងរករបស់អ្នក (2448)

Chemical bush control
technologies

Chemical bush control [South Africa]

To either clear or thin bush (trees) in encroached areas by chemical means.

  • អ្នកចងក្រង៖ Unknown User
Rip-ploughing, oversowing
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
Strip mine rehabilitation
technologies

Strip mine rehabilitation [South Africa]

Rehabilitation of areas degraded by strip mining, through returning stockpiled topsoil and transplanting of indigenous species, to promote revegetation.

  • អ្នកចងក្រង៖ Kirsten Mahood
Wetland rehabilitation
technologies

Wetland rehabilitation [South Africa]

To rehabilitate/stabilise distorted wetlands as close as possible to its original state/function.

  • អ្នកចងក្រង៖ Unknown User