德庆县新圩金鸡山,高程82米,面积139亩。其中北坡（阴坡）面积74.5亩,占总面积的53.6％,生长着良好的芒箕草和稀疏的马尾松,没有水土流失;南坡（阳坡）面积64.5亩,占总面积46.4％,是崩山群,有崩岗10个,直接危害农田100多亩,其中有50多亩变成湖洋田,有40多亩被泥沙覆盖变为沙渍地。该崩山在50年代已采用过崩岗口筑谷坊、拦沙坝等方法进行治理,收到一定的短期效果。但崩岗依然不断崩塌,水土还是流失,其主要原因是崩岗陡峭部份无法稳定,更难以绿化郁闭。1964年原肇庆地区水 Deqing Xinwei Jinji Mountain, elevation 82 meters, an area of ​​139 acres. Thereinto, the north slope (shady slope) covers an area of ​​74.5 mu, accounting for 53.6% of the total area, with good growth of Scirpus paniculata and sparse masson pine without water and soil loss; the south slope (sunny slope) covers an area of ​​64.5 mu, accounting for 46.4% , Is the collapse of the mountain group, collapsed Gang 10, directly endanger the farmland of 100 acres, of which 50 acres into a lake field, 40 acres of muddy sand into sandy patches. The collapse of the hill in the 50’s has been the collapse of Gangkou valley, barrage and other methods of treatment, received a certain short-term results. However, the collapse of the hilltops continued to collapse and water and soil were still lost. The main reason for this is the inability to stabilize steep sections and make it more difficult to green the canopy. The original water in Zhaoqing in 1964