Concepedia

Nitrogen and phosphorus use in maize sole cropping and maize/cowpea mixed cropping systems on an Alfisol in the northern Guinea Savanna of Ghana

Rolf H�rdter, Walter J. Horst

Biology and Fertility of Soils · 1991 · 16 citations · 18 references

DOI

Concepts

References

18

Comparison of Conventional and Automated Procedures for Nitrogen, Phosphorus, and Potassium Analysis of Plant Material Using a Single Digestion<sup>1</sup>

R. L. Thomas, R. W. Sheard, J. R. Moyer · Agronomy Journal · 1967 · 1.1K citations

, , +10

The acquisition of phosphorus byLupinus albus L.

W. K. Gardner, Douglas G. Parbery, David A. Barber · Plant and Soil · 1982 · 422 citations

, , +12

Farming Systems in the Tropics

J. T. Coppock, Hans Ruthenberg · Geographical Journal · 1973 · 407 citations

, , +5

Plant analysis: An interpretation manual, Published by Inkata Press Pty Ltd, North Clayton, Victoria 3168, Australia, Year of publication: 1986, Price: A$45.00 + A$8.00 p&amp;p

M. Krishna Siva Prasad · New Zealand Journal of Agricultural Research · 1987 · 351 citations · Full text

, , +4

The acquisition of phosphorus byLupinus albus L.

W. K. Gardner, KA Boundy · Plant and Soil · 1983 · 157 citations

, , +12