T. Greweling

Nitrogen and Phosphorous Content of Water from Tile Drains at Two Levels of Management and Fertilization1

S. Klausner, D. J. Lathwell, P. Zwerman, 1972 .

Determination of nitrate nitrogen in bovine blood, milk, urine, and rumen liquor.

K. Davison, T. Greweling, C. Morris, 1964 .

Explosion hazard when decomposing organic matter with nitrates

T. Greweling, 1969 .

Extraction procedure for quantitative determination of six elements in plant tissue.

J. Baker, T. Greweling, 1967 .