TY  - BOOK
AU  - Henry,H.A.L.
AU  - Jefferies,R.L.
TI  - Free amino acid, ammonium and nitrate concentrations in soil solutions of a grazed coastal marsh in relation to plant growth
KW  - AMINO ACID UPTAKE
KW  - MINERALIZATION
KW  - NITROGEN AVAILABILITY
KW  - NITROGEN CYCLING
KW  - ORGANIC NITROGEN
N2  - Soluble free amino acids, ammonium and nitrate ions as sources of nitrogen for plant growth were measured in soils of a coastal marsh grazed by snow geese in Manitoba, Canada. Amounts of nitrogen, primarily ammonium ions, increased in the latter half of the growing season and over winter, but fell to low values early in the growing season. Free amino acid concentrations relative to ammonium concentrations were highest during the period of rapid plant growth in early summer, especially in soils in the intertidal zone, where the median ratio of amino acid nitrogen to ammonium nitrogen was 0·36 and amino acid concentrations exceeded those of ammonium ions in 24
UR  - https://drive.google.com/file/d/1ur1oHBUQK1m-MDGi8W-JLwHoK9VKhXTc/view?usp=drivesdk
ER  -