Evaluation of soil fertility: a modification to Bray's method

Authors

  • Francisco de A. F. de Mello USP; ESALQ; Departamento de Solos, Geologia e Fertilizantes

DOI:

https://doi.org/10.1590/S0071-12761987000100010

Abstract

In this paper a modification to Bray's (1948) method for constructing a calibration curve to soil avaible nutrients is proposed. Basically it consists in estimating the constant c value of the Mitscherlich equation in the linear form, by means of linear regression, and constructing a calibration curve with this value.

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Published

1987-01-01

Issue

Vol. 44 No. 1 (1987)

Section

nao definida

How to Cite

Mello, F. de A. F. de. (1987). Evaluation of soil fertility: a modification to Bray’s method . Anais Da Escola Superior De Agricultura Luiz De Queiroz, 44(1), 209-214. https://doi.org/10.1590/S0071-12761987000100010