Peck, T. R.

Soil testing, correlating and interpreting the analytical results : proceedings of a symposium... - Madison, Wis. : American Society of Agronomy, 1977 - 117 p. : gráfs. - Special publication ; 29 . - Special publication ; 29 .

38291


Muestreo de suelos.
Suelos--Análisis.

631.42 / P4