woodland soil
2.3. The soil and water losses early is very light and its difference is not notable in woodland of different afforesting means of commercial forest, by the data the soil and water losses is lightest in woodland afforested by sloping means than other afforesting means, which need to be studied, but by long-see the seedling will grow best in zonal woodland.
3.Effects of ecomat on soil water and nutrients of woodland in Tongzhou district, Beijing city were investigated by comparing the soil with ecomat with that without ecomat. The investigation yielded the following results: 1. in 0~20cm and 20~40cm soil layers, the annual water content was increased respectively by 25.3% and 15.1% on the average.

