六合彩图库

Video. In the Sahel, it only rains for three months each year. During this short period, rural populations grow their food for the year. Given this insecurity, agroforestry鈥檚 multiple advantages are a blessing: adaptation to climate change, improving soil fertility and even crop protection against pests, according to recent scientific findings. A report on Faidherbia albida, an emblematic tree in central Senegal.