supported by the National Basic Research Program of China(973 Program,2011CB100501);the Key Technologies R&D Program of China during the 12th Five-Year Plan period(2015BAD22B03);the National High-Tech R&D Program of China(2013AA102901);the Special Fund for Agro-scientific Research in the Public Interest,China(201203077)
The improvement of soil productivity depends on a rational input of water and nutrients, optimal field management, and the increase of basic soil productivity(BSP). In this study, BSP is defined as the productive ca...