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WorksheetsAgriscience Unit 19
Total questions: 24
Worksheet time: 12mins
Monocots have one seed leaf; dicots have two seed leaves.
True
False
The time of the year has no influence on your decision as to the location of your garden.
True
False
The pH range for most vegetable crops is 5.5 to 7.5.
True
False
An organic farmer can use some chemicals, but no fertilizer on his/her crop.
True
False
A grower can extend the length of the growing season by starting frost-sensitive plants in a greenhouse.
True
False
It always takes many days for insects to devour plant leaves, which gives a grower enough time to spray with chemicals.
True
False
Sprinkler irrigation achieves the objective of applying a uniform amount of water.
True
False
Hydroponics does not use soil to anchor or feed plants.
True
False
Movement of air through the soil is
decay
aeration
flow
passage
What is the best kind of organic matter to add to the soil?
sawdust
phosphorus
ashes
animal manure
What type of storage is recommended for fresh vegetables?
freezing
cooking
refrigeration
covering
Identify the choice that best completes the statement or answers the question. 12. The best tiller of the soil is
the tractor.
the shovel.
the earthworm.
the soil microbes.
Identify the choice that best completes the statement or answers the question. 13. Night crawlers are
earthworms
crawdads
sand crabs
indigo snakes
Earthworm holes can go as deep as
12 inches
24 inches
36 inches
48 inches
As part of their diet, earthworms must have
crop residue or organic matter.
gravel or decomposed granite.
some type of green food source.
insects.
Earthworms are beneficial to the soil because they
create tunnels, starting at the surface of the soil, that collect rainwater as it falls.
eat unwanted insects.
create tunnels for easy root development of young plants.
digest unwanted debris found in all soils.
The analysis or ratio on a fertilizer bag indicates the percentages of three major nutrients in the following order:
nitrogen, potassium, phosphorus
phosphorus, nitrogen, potassium
nitrogen, phosphorus, potassium
phosphorus, potassium, nitrogen
The analysis or ratio of the three major nutrients on a fertilizer bag is labeled by
the actual name of the nutrient inside the bag of fertilizer.
three numbers.
the first letter of each of the three major nutrients in the bag of fertilizer.
the manufacturer's willingness to add the analysis to the label.
Green manure is
crops that are grasses or legumes that are still in their growing stage.
cattle, sheep, and goat manures.
animal manures that have not been allowed to dry.
crops such as legumes.
Organic farmers have learned that insect pests can be discouraged from their fields by treating their crops with
pepper and garlic spray.
dried marigold flowers.
organic chemicals.
sweet anise and vanilla extract spray.
As the last resort against pests, an organic farmer can use
a. a pre-emergence herbicide.
b. sulfur and rotenone.
c. gypsum and Round Up®.
d. none of the above
The most efficient method of irrigation is
sprinkler irrigation.
flood irrigation.
furrow irrigation.
drip irrigation.
Vegetable crops like a pH range of 5.5 to 7.5, which means most vegetables like a soil that is
more acidic than alkali.
more alkali than acidic.
more neutral than acidic or alkali.
only alkali.
Fertilizers are added to the soil to increase the amount of _______________ available to the plants.
nutrients
water
sunlight
carbon dioxide
