Glossary P

The Environmental Glossary. Letter P +++ Popular Articles: 'Peak power', 'Parallel connection', 'Pollution'

A Primary oil recovery is Pumping out the crude oil that Flows by gravity into the bottom of an oil well. See enhanced oil recovery, secondary oil recovery.

Primary productivity see gross primary productivity, net primary productivity.

A Primary Tillage is the mechanical manipulation of soil that displaces and shatters soil to reduce soil strength and to bury or mix plant materials and crop chemicals in the tillage

A primary wastewater treatment is the first stage of the wastewater-treatment process where mechanical methods, such as filters and scrapers, are used to remove pollutants.

principal axes are new variables created by ordination analysis that account for variation in the data.

A Principal Components Analysis (PCA) is a linear multivariate ordination technique that determines a reduced set of coordinate axes.

- Prior appropriation doctrine : A prior appropriation doctrine is the system for allocating water to private individuals used in most Western states. The doctrine of Prior Appropriation was in common use throughout

A Private Applicator is a category of applicator certification for farmers and/or employees such that they can legally apply restricted use pesticides or supervise others doing so who

Private Trucking Fleets are Private fleets serve the needs of their owners, and do not ordinarily offer commercial trucking services to other customers.

Deutsch: Umweltwahrscheinlichkeit / Español: Probabilidad Ambiental / Português: Probabilidade Ambiental / Français: Probabilité Environnementale / Italiano: Probabilità Ambientale /

A Probability is chance that a given event will occur.

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