Necessary conditions to prevent soil compaction and increase the production of legumes in the Russian Far East

The article offers the way to solve the problem of production efficiency for leguminous plants, by improvement of agricultural machinery and harvesting technology, and the reduction of soil degradation caused by its compaction under agricultural machinery. The author gives his arguments in favor of the light combines use on waterlogged fields of the Russian Far East - they must have a reduced grain tank capacity and engine power. It is proposed some measures to lessen the pressure impact on the soil and costs of the fuel and combustive-lubricating materials.