Crop sensitivity to a pesticide can vary with - crop growth stage
The application of fertilizer through an irrigation system is called - fertigation
Excessive moisture generally ______ nutrient uptake - increases only N
Forage legumes _______ digestible protein compared to grasses? - are higher in protein
_____ are used to maintain natural enemies of insect pests - refuges
When is the average date for planting rice in Missouri - April 15 - June 10
Runoff decreases as ____ increases - surface residue
The stable form of organic matter is called ____. - humus
A limitation of GM (Genetically Modified) plants is _______. - A lack of marketability in some countries
In most situations, surface soil ____ will be lower after water erosion - organic matter content
Which of the following increases soil water storage - deep percolation
Which of the following factors is usually most important in determining when to plant - soil moisture
as soil pH decreases _____ increases - hydrogen ion concentration
, In a typical row crop production system, most of the soil organic matter originated from - crop residues
which of the following factors is not used in determining depth of planting - soil texture with depth
Starter Fertilizer is commonly recommended for___. - no-till
Which of the following is usually most important when selecting a variety for planting - yield potential
_____ fungicides are designed to kill specific pests - narrow spectrum
which of the following increases as a soil's clay content increases - surface area
____ fungicides are absorbed by the plant and distributed internally to prevent disease infection or kill
the pathogen without harming the plant - systemic
which of the following would not usually be a good source of N - irrigation water
By which methods is rice planted - drill-seeded and water-seeded
A ____ is specifically designed to improve ground water quality before ground water can move to a
stream - tree planting
insects that have egg, larva, pupa, and adult stages undergo _____ metamorphous - complete
If you subtract what from NFD you get the amount of hemicellulose - ADF
____ is important when applying herbicides to herbicide resistant to crops - drift
Split applications of nitrogen fertilizer _________ as compared to a single application of the same
amount of nitrogen. - reduces leaching losses
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