Agronomy
Legumes can fix nitrogen from the atmosphere. Which of the following is a legume?
White clover
Which of the following is considered a secondary nutrient?
calcium
Which soil texture tends to have the highest cation exchange capacity range?
organic soils
seeds that are viable may fail to germinate when planted. Failure of this seed to
germinate may be caused by:
hard seed coat or dormancy
Which of the following crop species are primarily cross pollinated?
corn and alfalfa
Application of nitrogen to legume forage crops such as alfalfa and red clover is not
recommended since:
with the help of bacteria, these crops can fix atmospheric nitrogen
You have a bunker silo that will hold 400 tons of wet corn silage packed at an
average density. If you anticipate corn silage yields of 5 tons per acre of dry matter,
how many acres of corn will you need to plant in order to fill your bunker silo at
harvest?
28 acres
each year, millions of acres of winter wheat in the central plains of the US are utilized
as a dual crop. The wheat is grazed early in the growing season and cattle are
subsequently removed in order to get a grain crop, the livestock must be removed
before:
jointing stage
The first mechanical seed drill was invented in 1730 by:
Jethro Tull
Your neighbor had a field sprayed about two weeks ago while it was windy. Over the
period your lawn and flowers started tuming yellow and died. Your shrubs also have
some die back. Which of the following herbicide modes of action most likely caused
this damage?
Amino acid inhibitor
Which of the following species is a monocot?
sorghum
Legumes can fix nitrogen from the atmosphere. Which of the following is a legume?
White clover
Which of the following is considered a secondary nutrient?
calcium
Which soil texture tends to have the highest cation exchange capacity range?
organic soils
At which stage does corn require the most water?
silking
Which of the following pesticide formulations is most damaging to spray equipment?
wettable powder
What is the most important concept of applying pesticides?
read and follow the label
Which of the following is most toxic?
An insecticide with an LD of 700
Generally, which nutrient deficiency causes tissues to turn yellow at a pH above 7.2?
Legumes can fix nitrogen from the atmosphere. Which of the following is a legume?
White clover
Which of the following is considered a secondary nutrient?
calcium
Which soil texture tends to have the highest cation exchange capacity range?
organic soils
seeds that are viable may fail to germinate when planted. Failure of this seed to
germinate may be caused by:
hard seed coat or dormancy
Which of the following crop species are primarily cross pollinated?
corn and alfalfa
Application of nitrogen to legume forage crops such as alfalfa and red clover is not
recommended since:
with the help of bacteria, these crops can fix atmospheric nitrogen
You have a bunker silo that will hold 400 tons of wet corn silage packed at an
average density. If you anticipate corn silage yields of 5 tons per acre of dry matter,
how many acres of corn will you need to plant in order to fill your bunker silo at
harvest?
28 acres
each year, millions of acres of winter wheat in the central plains of the US are utilized
as a dual crop. The wheat is grazed early in the growing season and cattle are
subsequently removed in order to get a grain crop, the livestock must be removed
before:
jointing stage
The first mechanical seed drill was invented in 1730 by:
Jethro Tull
Your neighbor had a field sprayed about two weeks ago while it was windy. Over the
period your lawn and flowers started tuming yellow and died. Your shrubs also have
some die back. Which of the following herbicide modes of action most likely caused
this damage?
Amino acid inhibitor
Which of the following species is a monocot?
sorghum
Legumes can fix nitrogen from the atmosphere. Which of the following is a legume?
White clover
Which of the following is considered a secondary nutrient?
calcium
Which soil texture tends to have the highest cation exchange capacity range?
organic soils
At which stage does corn require the most water?
silking
Which of the following pesticide formulations is most damaging to spray equipment?
wettable powder
What is the most important concept of applying pesticides?
read and follow the label
Which of the following is most toxic?
An insecticide with an LD of 700
Generally, which nutrient deficiency causes tissues to turn yellow at a pH above 7.2?