Utilization of green manure for raising soil fertility in china
1983
BIN, JIAO
This article consists of three parts. Part 1 introduces the history and development of green manure in China, treating the utilization and evaluation of green manure in ancient times and, briefly, the development of green-manure crops after the founding of the Peopleʼs Republic of China. Part 2 deals with the kinds of green-manure crops cultivated and utilized at present and the arrangements in planting systems. Part 3 discusses the effectiveness of green manure on: the expansion of the soil nitrogen source; the concentrating and activating of soil phosphorus; the maintenance and renewal of soil organic matter; the improvement of soil structures and physical characteristics; the increase of soil-nutrient-supplying capacity; increasing yields of plants, etc.
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