共 8 条
[6]
Effect of pH on nitrogen immobilization in two California soils[J] . F. E. Broadbent,K. B. Tyler.Plant and Soil . 1965 (3)
[7]
Relationship between ammonia volatilization ammonia concentration and water evaporation. Chao T ,Kroontje W. Soil Science Society of America Journal . 1964
[8]
Nitrogen supplying ability of paddy soils under field conditions in the phillipines. Shiga H,W Ventura. Soil Science and Plant Nutrition . 1976