Horizons
layers of soil that make up the soil profile
Biological yield
the amount of dry matter produced per unit area
economic yield
The amount of the part of the plant of usable marketable value is called the
biomass
the quantity of live organic matter in a given area at a given point ...
➫ The amount of the part of the plant of usable marketable value is called the
biomass
➫ the quantity of live organic matter in a given area at a given point in time is called the
Harvest index
➫ the portion of the crop that is of economic importance
,roots
➫ plants uptake water through the
hydroponics
➫ a technique of growing plants (without soil) in water containing dissolved nutrients
sand
➫ soil particles that are 0.02 to 2 mm are called
silt
➫ soil particles that are 0.002 to 0.02 are called
soil
➫ soil particles that are smaller than 0.002 are called
the standerd test weight for a bushel of soybeans is
, ➫ 60lbs
prussic acid poisoning is a potential risk for livestock grazing on what forage
crop
➫ sorghum stalks
which of the following are non parasitic plants
➫ mustards
which method of pest management uses one organism to control the population
of another
➫ biological pest management
which method of pest management use chemicals to control pest populations
➫ chemical pest management
which method of pest management uses physical means such as traps tillage
heat treatment ect to manage pest populations
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TestTrackers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.