the most common tool used by soil samplers to acquire a particular soil sample
What is an auger
100
a soil scientist is considered this
What is a pedologist
100
the levels of these chemicals are being tested when responsive or non-responsive conclusions are drawn
What is Potassium and Phosphorus (P and K)
100
incentive by the government in the 1930s to retain soil quality involved these measures.
What is planting trees and soil conservation
100
type of sampling that is relatively expensive and can be useful to unknown pastures that have not been tested recently
What is Grid sampling
200
a farming practice that allows a crop to grow without tilling at the end of the harvest season, right over the top of the previous years' crop
What is no-till farming
200
soils can be measured in this format
What is horizons
200
when soils are considered alkaline, we are looking at this level or measurement
What is soil pH
200
type of soil sampling that requires prior knowledge about the field that is being tested
What is zone sampling
200
area of the world that is frozen is considered to be part of this "sphere"
What is the cryosphere
300
land that has been converted back to grazing from an unsuccessful crop attempt
What is a pasture
300
this refers to the global level of water consumption, pertaining to soil sciences
What is Hydro-logic cycle
300
this only develops when there is an interaction between the hydrosphere, lithosphere, atmosphere and biosphere.
What is the pedosphere
300
While Grid sampling is a non-random system of soil sampling, this type is random and varies from year to year
What is Whole Field
300
time of year where fertilizer recommendation is more conservative
What is autumn or fall
400
the most efficient way to sample ones crop land
What is grid sampling
400
the skin of the earth, the biologically living structure or medium of elements, the living, porous structure that composes the foundation of nature
What is soil
400
alkalinity causes a soils to pH to become this
What is basic
400
name some of the areas in a field that would not be part of a typical soil sample:
What is :
under a fence
in a ditch
in or near tree rows
slue areas
extremely low areas
400
the layout or the mapping of cropland by elevation
What is topography
500
type of soil conservation that uses a Geo-referenced sampling plot method
What is zone soil conservation
500
the number one causative agent for both erosion and soil disruption
What is water
500
a chemical in science that is necessary for life on earth, but is highly poisonous, difficult to manufacture, yet extremely useful in the upper atmosphere.
What is ozone (O3)
500
range where either Phosphorus or Potassium levels are in the “high” category for fertilizers
What is Responsive range
500
one of the fundamental goals of soil sampling is this
What is
Estimate the nutrients needed for economically profitable crop production
Monitor changes in nutrient status over time