Concepedia

Effect of diet manipulation in dairy cow N balance and nitrogen oxides emissions from grasslands in northern Spain

H. Arriaga, S. Calsamiglia, P. Merino

Agriculture Ecosystems & Environment · 2009 · 40 citations · 55 references

DOI

Concepts

References

55

Official Methods of Analysis of

Analytical Chemistry · 1980 · 59.6K citations

, , +5

A CRITICAL EXAMINATION OF A RAPID METHOD FOR DETERMINING ORGANIC CARBON IN SOILS—EFFECT OF VARIATIONS IN DIGESTION CONDITIONS AND OF INORGANIC SOIL CONSTITUENTS

Allan Walkley · Soil Science · 1947 · 2.5K citations

, , +12

Exchange of trace gases between terrestrial ecosystems and the atmosphere

Plant Growth Regulation · 1991 · 1.2K citations

, , +14

ESTIMATION OF MICROBIAL PROTEIN SUPPLY TO SHEEP AND CATTLE BASED ON URINARY EXCRETION OF PURINE DERIVATIVES - AN OVERVIEW OF THE TECHNICAL DETAILS

Xiaohan Chen, Maria José Gomes · 1995 · 1.2K citations

, , +12

Automated and Manual Direct Methods for the Determination of Blood Urea

Walton H. Marsh, Benjamin P. Fingerhut, Henry Miller · Clinical Chemistry · 1965 · 1.1K citations

, , +6