WorksheetsFERTILIZERS
Total questions: 34
Worksheet time: 18mins
What is manure?
Chemicals
Decaying organic matter
By-products of oil production
Which of the following is TRUE of inorganic fertilizers?
They release nutrients through decomposers
They are not synthetically manufactured
They release nutrients quickly
Organic farmers are prohibited from using ___________?
Fertilizers
Pesticides
Growth Hormones
Antibiotics
All are prohibited by organic farmers
What is used by organic farmers to enrich the soil?
Fertilizer
Pesticides
Antibiotics
Manure from animals
Crop rotation is used by organic farmers to preserve the qualities of the soil?
YES
NO
Who relies on the natural enemies of pest?
Conventional Farmer
Organic Farmer
It is made from natural and organic materials mainly manure, compost or other animal and plant products.
Inorganic Fertilizer
Organic Fertilizer
Nitrogen Fertilizer
Phosphate Fertilizer
It is made up of chemical component that contain necessary nutrients needed by plants
Inorganic Fertilizer
Organic Fertilizer
Nitrogen Fertilizer
Phosphate Fertilizer
In the acronym NPK, N stands for?
Potassium
Phosphorus
Nitrogen
Oxygen
In the acronym NPK, P stands for?
Potassium
Phosphorus
Nitrogen
Oxygen
In the acronym NPK, K stands for?
Potassium
Phosphorus
Nitrogen
Oxygen
In the acronym NPK, K stands for?
Potassium
Phosphorus
Nitrogen
Oxygen
How many percent of nitrogen does Urea have?
46%
16%
60%
50%
How many percent of potassium does Murate of Potash (MOP) have?
46%
16%
60%
50%
It is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply one or more plant nutrients essential to the growth of plants.
Fertilizer
Left over
Pesticide
Insecticide
What are the three essential elements that plants require?
nitrogen phosphate potassium
nitrogen sulphur potassium
nitrogen potassium phosphorous
nitrogen potassium polonium
Which of the following would be a suitable fertiliser?
nitrogen dioxide
potassium nitrate
copper phosphate
nitrogen oxide
What three element do plants obtain from the atmosphere?
Carbon Dioxide, Boron, Sodium
Carbon, Hydrogen, Oxygen
Oxygen, Hydrogen, Magnesium
Hydrogen, Copper, Zinc
How do plants use Carbon, Hydrogen, and Oxygen in the metabolic process?
Used to make food and break down stored sugars
Used to break down food and make glucose
Used to help the plant grow
The plant does not use Carbon, Hydrogen, and Oxygen in the metabolic process
What do the nutrients in the soil have to do before being absorbed through the plant's roots?
It needs to wait for the seed to germinate before it does anything.
It needs to transpire.
It needs to evaporate.
It has to be dissolved in the water
How many essential nutrients are needed by plants in different amounts?
12
10- 15
16 or 17
All of them
What can be added to increase nutrients in the soil?
Fertilizer
Fertilizer and Compost
Water
Compost
What is deficiency?
That does not relate to plants.
The lack of water in a plant.
This is when it has rained for several days and there is no sun reaching the plant.
A shortage of given nutrient needed by a plant.
What is needed in the greatest amount by plants for maximum growth?
Water
Micronutrients
Macronutrients
Sunlight
What nutrients are usually lacking in the soil?
Nitrogen, Phosphorus, Potassium
Nitrogen, Oxygen, Zinc
Sodium, Potassium, Hydrogen
Iron, Cobalt, Copper
What are elements that are required for plant growth which are needed but in only very small amounts?
Macronutrients
Sunlight
Water
Micronutrients
What are three examples of trace elements?
Zinc, Hydrogen, Sodium
Iron, Boron, Maganese
Copper, Chromium, Calcium
Chlorine, Potassium, Titanium
What can be added to the environment around the plant that contain essential plant nutrients?
Water
Sunlight
Fertilizer
Food
How is fertilizer added?
Irrigation Water
Soil
Air or sprayed on leaves
All of the above
What is fertilizer labeled with?
5 Numbers
3 Numbers
2 Numbers
Nothing
What could happen to plants if you apply too much fertilizer?
You can burn the plant
You can drown the plant
It will grow too tall
You can never over fertilize
What factors need to be considered when choosing fertilizer?
Nutrients needed
Soil structure
Soil chemistry
All of the above
What is the most important soil properties that affects the availability of nutrients?
Amount of Oxygen Present
The amount of water available to the roots
Soil pH
How many plants are in the surrounding area
What is organic fertilizer?
The nutrients in a product come from remains or by- products of once a living organisms.
The nutrients in a product come from a factory.
The nutrients in a product are mixed together by a farmer.
The nutrients in a product are man made.
