Concepedia

Comparative evaluation of the contributions of soil physicochemical properties to variations in the yields of four major staple food crops in eastern Nigeria

C. L. A. Asadu, A. G. O. Dixon, R. I. Okechukwu

Soil and Tillage Research · 2002 · 11 citations · 15 references

DOI

Concepts

References

15

AN EXAMINATION OF THE DEGTJAREFF METHOD FOR DETERMINING SOIL ORGANIC MATTER, AND A PROPOSED MODIFICATION OF THE CHROMIC ACID TITRATION METHOD

Allan Walkley, I. ARMSTRONG BLACK · Soil Science · 1934 · 21.7K citations · Full text

, , +14

DETERMINATION OF TOTAL, ORGANIC, AND AVAILABLE FORMS OF PHOSPHORUS IN SOILS

R. H. Bray, L. T. Kurtz · Soil Science · 1945 · 7.7K citations

, , +14

A Recalibration of the Hydrometer Method for Making Mechanical Analysis of Soils<sup>1</sup>

George John Bouyoucos · Agronomy Journal · 1951 · 1.8K citations

, , +10

Official Methods of Analysis: 15th Edition

TrAC Trends in Analytical Chemistry · 1990 · 781 citations

, , +7

Colorimetric Determination of Boron Using Carmine

J. T. Hatcher, L. V. Wilcox · Analytical Chemistry · 1950 · 276 citations

, , +9