Nature's bounty: Nitrogen-fixing plants for mountain farmers, Tang Ya, , Nature's bounty: Nitrogen-fixing plants for mountain farmers, p.27, (2004) Abstract

Effects of contour hedgerows on runoff flow and soil erosion control in a dry valley of the Jinsha River, He YongHua,; Tang Ya,; Sun Hui,; Chen KeMing, , Mountain agriculture in the Hindu Kush-Himalayan region: Proceedings of an International Symposium held in Kathmandu, Nepal on 21-24 May, 2001, p.91-95, (2003) Abstract

Effects of contour hedgerows of nitrogen fixing plants on soil fertility and yields of sloping croplands in a dry valley of the Jinsha River, China, Sun Hui,; Tang Ya,; Wang ChunMing,; Chen KeMing, , Mountain agriculture in the Hindu Kush-Himalayan region: Proceedings of an International Symposium held in Kathmandu, Nepal on 21-24 May, 2001, p.97-102, (2003) Abstract

Why don't farmers adopt recommended technologies? The example of contour hedgerow intercropping technology, Tang Ya, , Mountain agriculture in the Hindu Kush-Himalayan region: Proceedings of an International Symposium held in Kathmandu, Nepal on 21-24 May, 2001, p.69-74, (2003) Abstract