The role of nitrogen in grassland productivity : a review of information from temperate regions

by D. C. Whitehead.

Farnham Royal : Commonwealth Agricultural Bureaux, 1970.

[1], viii, 202 págs. : ilustraciones ; 22 cm.

Serie: Commonwealth Bureau of Pastures and Field Crops, Hurley, Eng. (Berkshire). Bulletin ; 48

ISBN: 0851980155

Bibliografía: p. 162-195.