1.the cost-effective production of high quality plants and animals
2. the efficient use and conservation of nutrient resources
3. maintenance or enhancement of soil quality
4. protection of the environment beyond the soil
What are the four goals of nutrient management?
100
Confined animal feeding operations (CAFOs) have primarily what environmental impact?
What is groundwater contamination
100
What method spreads fertilizer evenly over the entire field?
What is Broadcasting
100
True or False. A critical component of tissue analysis is sampling the correct plant part?
What is True.
100
The major transportation method for phosphorus
What is water runoff
200
A conceptual model of nutrient inputs and outputs
What is a nutrient flow chart?
200
Two of the four main types of industrial and municipal by-products are what?
What is municipal garbage, sewage effluents and sludges, food-processing wastes, and wastes of the lumber industry
200
True or False. It is best to apply mobile nutrients as soon as seeds are planted.
What is False. It is best to apply mobile nutrients as close to the period of rapid plant uptake of nutrients.
200
What are two of four the most reliable and common tests used to anaylze soil samples?
What is pH, potassium, phosphorus, and magnesium.
200
How deep in the soil profile does the phosphorus tend to accumulate?
What is 1-2 cm
300
These two nutrients are associated with water quality problems
What are Nitrogen and Phosphorous?
300
Using dry-weight measurements, animal manures contain roughly what amount of potassium?
What is 1-3% K
300
this method applies small portions of liquid fertilizer next to every individual plant
What is point injection
300
What is the sufficiency range?
What is the range of tissue concentration at which the supply of a nutrient is sufficient for optimal plant growth.
300
Phosphorus is a major pollutant when close to this
What is a sensitive body of water
400
This kind of pollutions comes directly from sources such as factories and sewage outfalls
What is point source pollution?
400
Two beneficial characteristics of manure fertilizers that are often overlooked in importance are what?
What is soil organic matter and micronutrients
400
plant production can be no greater than that level allowed by the growth factor present in the lowest amount relative to the optimum amount for that factor.
What is "the law of the minimum" or the limiting factor?
400
True or False. It is only necessary to take one soil core in an area in order to get an accurate representation of the land?
What is False. It is suggested to take at least 12-15 subsamples randomly scattered across the land that is to be represented.
500
A buffer strip of dense vegetation situated along the bank of a river or lake.
What is a riparian buffer zone?
500
Forest irrigation is one method to deal with what waste water treatment by-product?
What is sewage sludge
500
this application method reduces the amount of contact between soil particles and the fertilizer nutrient thus minimizing the opportunity for adverse fixation reactions.
What is localized placement
500
What are two of the three tools used to diagnois soil fertility?
What is field observations, plant tissue analysis, and soil analysis.