Growth of ten multipurpose tree species on acid soils in Sangmelima, Cameroon

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

Agriculture, Earth Sciences, Soil Sciences +14

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

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

Agriculture, Agronomy, Soil Sciences +14

Soil chemical analysis

Journal of the Franklin Institute · 1958 · 4.7K citations

Agriculture, Chemistry, Soil Sciences +7

Test of an Ascorbic Acid Method for Determining Phosphorus in Water and NaHCO ₃ Extracts from Soil

Fumio Watanabe, S. R. Olsen · Soil Science Society of America Journal · 1965 · 2.5K citations

Agriculture, Agronomy, Soil Sciences +14

Properties and Management of Soils in the Tropics

Pedro Antonio Sánchez Miguel · Soil Science · 1977 · 1.3K citations

Agriculture, Agroforestry, Soil Sciences +17