Swaine, D. J.
The trace-element content of soils / by D.J. Swaine. - Farnham Royal, Bucks : Commonwealth Agricultural Bureaux, 1969. - viii, 157 p. - Commonwealth Bureau of Soil Science technical communication ; no. 48 .
Trace-elements--Specifications.
Soils--Trace element content--Specifications.
The trace-element content of soils / by D.J. Swaine. - Farnham Royal, Bucks : Commonwealth Agricultural Bureaux, 1969. - viii, 157 p. - Commonwealth Bureau of Soil Science technical communication ; no. 48 .
Trace-elements--Specifications.
Soils--Trace element content--Specifications.