Post-fire erosion control mulches alter belowground processes and nitrate reductase activity of a perennial forb, heartleaf Arnica (Arnica cordifolia) /

Role of mulching techniques in tropical soil and water management /
by: Lal, R.
Published: (1975)

Ground water and soil nitrate one year after cultivation in Hailstone Basin near Rapelje, Montana /
by: Custer, Stephan G.
Published: (1971)

Soil nitrogen mineralization potential for improved fertilizer recommendations and decreased nitrate contamination of groundwater /
by: Franzluebbers, Alan J.
Published: (1995)

Nitrogen in agricultural soils /
Published: (1982)

Nitrogen in agricultural soils /
Published: (1982)

Managing nitrogen in crop production /
by: Scharf, Peter C. (Peter Clifton), 1959-
Published: (2015)

Effect of tillage, straw mulches and grass upon soil-moisture losses and soil temperatures in the lower Rio Grande Valley /
by: Gerard, C. J. (Cleveland Joseph), et al.
Published: (1959)

Applied mulches and mulching.
Published: (1961)

Studies on competition for N between arrowleaf clover and gulf ryegrass by using ¹⁵N depleted ammonium nitrate /
by: Morris, Dolen Ray, 1948-
Published: (1985)

Field test of hydrophobic soil clod mulch for soil water conservation in a semiarid area /
by: Horton, Robert, 1954-
Published: (1977)

Nitrogen in agricultural systems /
Published: (2008)

Estimation of nitric and nitrous nitrogen in soils /
by: Fraps, G. S. (George Stronach), 1876-
Published: (1931)

Advances in nitrogen cycling in agricultural ecosystems : proceedings of the Symposium on advances in nitrogen cycling in agricultural ecosystems held in Brisbane, Australia, 11-15th May 1987 /
Published: (1988)

Role of blue-green algae in nitrogen economy of Indian agriculture /
by: Singh, Rama Nagina (Botanist), 1915-
Published: (1961)

Mineral nitrogen in the plant-soil system /
by: Haynes, R. J.
Published: (1986)

Free amino acids, nitrate, and nitrate reductase in nitrogen fixation by soybean nodules /
by: Madtes, Paul Clayton
Published: (1978)

Flow of electrons in nitrate reductase from Chlorella vulgaris.
by: Mahan, James Rudolph
Published: (1984)

Soil nitrogen /
by: Bartholomew, W. V. (William Victor), 1908-2004
Published: (1965)

Relation of soil nitrogen, nitrification and ammonification to pot experiments /
by: Fraps, G. S. (George Stronach), 1876-
Published: (1921)

A Review of nitrogen in the tropics with particular reference to pastures ; a symposium [held in Brisbane, Feb. 1960] /
Published: (1962)

Soil nitrogen
by: Bartholomew, W. V. (William Victor), 1908-2004
Published: (1965)

Effects of tillage and nitrogen fertilization on nitrogen losses from soils used for corn production /
Published: (1990)

Terrestrial contribution of N to stream water in managed and undisturbed forested watersheds.
by: Gosz, James R.
Published: (1976)

Nitrogen fixation in tropical cropping systems /
by: Giller, Ken E. (Ken Everleigh)
Published: (1991)

Azot v pochvoobrazovanii i zemledelii /
Published: (1974)

Soil and fertilizer nitrogen : review study with particular reference to plant nutrition and environmental protection /
Published: (1984)

Nitrogen in organic wastes applied to soils /
Published: (1989)

Arnica montana : [orchestra, 1997] /
by: Lieuwen, Peter
Published: (1997)

Nitrification in Texas soils /
by: Fraps, G. S. (George Stronach), 1876-
Published: (1920)

Field measurements of ammonia volatilization from surface applications of nitrogen fertilizers to a calcareous soil /
by: Hargrove, W. L. (William Leonard)
Published: (1977)

Effects of Long-Term Agricultural Nitrogen Fertilization on Organic Carbon Cycling /
by: Epps, Annalee Carol
Published: (2023)

Nitrogen in the environment /
Published: (1978)

Evaluation of nitrogen application technique and tillage system on nitrogen runoff from an erodible soil /
by: Lembi, Carole A.
Published: (1985)

Relation of the total nitrogen of the soil to its needs as shown in pot experiments /
by: Fraps, G. S. (George Stronach), 1876-
Published: (1912)

Immobilization and mineralization of nitrogen in pasture soil /
by: Huntjens, J. L. M.
Published: (1972)

Studies on nitrogen mobilisation in forest soils. : Studier over kvavemobiliseringen i skogsjord /
by: Tamm, Carl Olof
Published: (1969)