1. Mineralization and immobilization of nitrogen;Alexander,1977
2. Soil erosion by wind. Cause, damage, control;Anderson,1966
3. Effect of moisture level on nitrogen immobilization as affected by wheat straw decomposition in soil;Bhardwaj;Zentralbratt frier Bakteriologie II Abt.,1978
4. Effect of burning cereal straw on soil properties and grain yields in Saskatchewan;Biederbeck;Soil Sci. Soc. Am. J.,1980
5. Total nitrogen inorganic forms of nitrogen;Bremner,1965