1-4 of 4 Books
Effects of long-term residue management and nitrogen fertilization on availability and profile distribution of nitrogen, phosphorus, and sulfur
Effects of long-term residue management and nitrogen fertilization on availability and profile distribution of nitrogen, phosphorus, and sulfur
By Robert A. Christ
Applicability of the Mitscherlich method to the determination of phosphorus deficiencies of Iowa soils ..
Applicability of the Mitscherlich method to the determination of phosphorus deficiencies of Iowa soils ..
By Clifford Dale Hoover,C. Dale Hoover
Effect of solution nitrogen and phosphorus on growth, carbon allocation and nitrogen fixation of red alder seedlings
Effect of solution nitrogen and phosphorus on growth, carbon allocation and nitrogen fixation of red alder seedlings
By Cynthia C. Lipp
Understanding phosphorus and its use in agriculture
Understanding phosphorus and its use in agriculture
By A.E Johnston