On the ecology of Azolla filiculoides Lam. in Damietta district, Egypt

TWINSPAN, a FORTRAN program for arranging multivariate data in an ordered two-way table by classification of the individuals and attributes

M.O. Hill, M.O. Hill · Medical Entomology and Zoology · 1979 · 3.1K citations

Natural Sciences, Biostatistics, Categorical Data Analysis +13

COLORIMETRIC DETERMINATION OF PHOSPHORUS IN SOIL AND PLANT MATERIALS WITH ASCORBIC ACID

Matt K. John · Soil Science · 1970 · 873 citations

Agriculture, Agronomy, Soil Sciences +10

Azolla: Botany, physiology, and use as a green manure

Thomas A. Lumpkin, Donald L. Plucknett · Economic Botany · 1980 · 352 citations

Agriculture, Agronomy, Botany +11

Standard Methods for the Examination of Water, Sewage, and Industrial Wastes

Jack J. Hinman · American Journal of Public Health and the Nations Health · 1955 · 349 citations

Management, Environmental Sciences, Environmental Health +16

Azolla: Biology and agronomic significance

A. W. Moore · The Botanical Review · 1969 · 271 citations

Agriculture, Agronomy, Plant Sciences +8