|
32P |
Phosphorus-32 (radioisotope) |
|
AEI |
Agronomic economic efficiency |
|
AGL |
Land and Water Development Division, Agriculture Department, FAO |
|
Al |
Aluminium |
|
As |
Arsenic |
|
ASI |
Absolute solubility index |
|
BNF |
Biological nitrogen fixation |
|
BPL |
Bone phosphate of lime |
|
BRGM |
Bureau of Geological and Mining Research (France) |
|
C |
Carbon |
|
Ca |
Calcium |
|
CA |
Citric acid |
|
CCE |
Calcium carbonate equivalent |
|
Cd |
Cadmium |
|
CGIAR |
Consultative Group on International Agricultural Research |
|
CIRAD |
Centre de Cooperation Internationale en Recherche Agronomique pour le Developpement |
|
Cl |
Chlorine |
|
CMDT |
Malian Company for the Development of Textiles |
|
CO2 |
Carbon dioxide |
|
Cp |
P ion concentration in soil solution |
|
Cr |
Chromium |
|
CR |
Equilibrium P concentration sustained by a PR |
|
CRP |
Coordinated research project |
|
Cu |
Copper |
|
DAP |
Di-ammonium phosphate |
|
DAPR |
Direct application phosphate rock |
|
Dm |
Mean diffusion |
|
DSS |
Decision-support system |
|
DSSAT |
Decision Support System for Agrotechnology Transfer |
|
E value |
Exchangeable P |
|
E1 |
Isotopically exchangeable P at 1 minute |
|
EC |
European Community |
|
EDS |
Energy dispersive X-ray analysis |
|
F |
Fluorine |
|
FA |
Formic acid |
|
FAO/IAEA |
Joint FAO/IAEA Division of Nuclear Techniques in Food and Agriculture |
|
Fe |
Iron |
|
FSU |
Former Soviet Union |
|
H |
Hydrogen |
|
Hg |
Mercury |
|
IAEA |
International Atomic Energy Agency |
|
ICRAF |
International Centre for Research in Agroforestry |
|
IEK |
Isotopic exchange kinetic |
|
IFDC |
International Centre for Soil Fertility and Agricultural Development, formerly International Fertilizer Development Center |
|
IMPHOS |
Institut Mondial du Phosphate |
|
K |
Potassium |
|
L |
Labile |
|
LDCs |
Least developing countries |
|
LOI |
Loss on ignition |
|
MAP |
Mono-ammonium phosphate |
|
Mg |
Magnesium |
|
Mn |
Manganese |
|
Mo |
Molybdenum |
|
N |
Nitrogen |
|
Na |
Sodium |
|
NAC |
Neutral ammonium citrate |
|
NGO |
Non-governmental organization |
|
NORAGRIC |
Centre for Environment and International Development, Agricultural University of Norway |
|
NPK |
Compound nitrogen, phosphorus and potassium containing fertilizers |
|
NPV |
Net present value |
|
O |
Oxygen |
|
P |
Phosphorus (element) |
|
P fertilizer |
Phosphatic fertilizer |
|
P2O5 |
Phosphorus pentoxide (phosphate) |
|
PAPR |
Partially acidulated phosphate rock |
|
Pb |
Lead |
|
Pi |
Iron-oxide-impregnated paper |
|
PPCL |
Pyrites, Phosphates and Chemicals Ltd. (India) |
|
PR |
Phosphate rock |
|
PR/S |
Phosphate rock elemental sulphur assemblage |
|
PR-DSS |
Phosphate rock decision-support system |
|
PRs |
Phosphate rocks, PR materials, PR products |
|
PSM |
Phosphate solubilizing micro-organisms |
|
RAE |
Relative agronomic effectiveness |
|
RELARF |
Red Latinoamericana de Roca Fosforica |
|
RPR |
Reactive phosphate rock |
|
RR |
Relative response |
|
Se |
Selenium |
|
SEM |
Scanning electron microscopy |
|
SFET |
Soil fertility enhancing technology |
|
SFI |
Soil Fertility Initiative |
|
Si |
Silicon |
|
SSP |
Single superphosphate |
|
STPP |
Sodium tri-polyphosphate |
|
SV |
Substitution value |
|
SV50 |
Substitution values of TSP (50% maximum yield) for North Carolina PR |
|
TPR |
Tilemsi phosphate rock |
|
TSP |
Triple superphosphate |
|
U |
Uranium |
|
USGS |
United States Geological Survey |
|
V |
Vanadium |
|
VAM |
Vesicular-arbuscular mycorrhizae |
|
WSP |
Water-soluble phosphate |
|
XRD |
X-ray diffraction |
|
Zn |
Zinc |
