Inorganic leaf phosphorus as an indicator of phosphorus nutrition in cereals

Phosphorus status of subterranean clover: a rapid and simple leaf test

1982 • 25 citations

Phosphorus compounds measured in a rapid and simple leaf test for the assessment of the phosphorus status of subterranean clover

1984 • 13 citations

Some extraction methods as indicators of need for phosphorus fertilization

1986 • 11 citations