共 2 条
[1]
Effect of organic manuring on the activities of the enzymes hydrolysing sucrose and urea and on soil aggregation[J] . A. Balasubramanian,R. Siddaramappa,G. Rangaswami.Plant and Soil . 1972 (2)
[2]
Acta Univ. Agr. Brn. Fac. Agron . 1973