More than 40 per cent of China is grasslands and savannahs and much of it is in dry areas with low productivity. However, the Songnen Plain and Hulunbuir Plateau in the northeast are two of the ...

Cultivated land, forests, grasslands, deserts and tidelands are ... mainly on the Northeast Plain, the North China Plain, the Middle-Lower Yangtze Plain, the Pearl River Delta and the Sichuan ...

The study of an area on Salisbury Plain, degraded by years of cultivation, revealed how combinations of plants based on their size and shape could restore soil fertility in chalk grasslands. Up to 40 ...