WorksheetsTYPES OF FERTILIZERS
Total questions: 20
Worksheet time: 7mins
The first fertilizer produced by chemical processes.
Urea
Superphosphate
ammonium phosphate
organic fertilizer
Developed a method to convert atmospheric nitrogen into fertilizer .
Rouelle and Wohler
Haber and Bosch
Bosch and Wohler
Rouelle and Haber
What is superphosphate made of?
by treating bones with sulfuric acid Coprolites and phosphate rock
a mixture of calcium acid phosphate and calcium sulfate
approximately equal amount of phosphorus and sulfur
made from insoluble mineral phosphates by treatment with sulfuric acid
This kind of fertilizer feed the soil.
organic fertilizer
synthetic fertilizer
This element supports vegetative growth of plants.
Nitrogen
Potassium
Phosphorus
Magnesium
This minerals from the soil improves roots and flowering of the plants.
Phosphorus
Nitrogen
Potassium
Calcium
This element boosts protection against environmental threats and
severe weather conditions to pest attacks.
Nitrogen
Potassium
Calcium
Phosphorus
In urea, what is the percentage composition of nitrogen?
46 %
20%
26%
2%
The following are other application of urea in industry EXCEPT.
animal feed additive
pharmaceuticals
resin production
fuel
What is the benefits of using Urea in plants?
It supply the plants with nitrogen in order to stimulate the growth of green, leafy vegetation.
Contribute to the process of photosynthesis
It is vital for seedlings and young plants.
Helps plants grown for their fruiting and flowering.
A method that uses microbes and earthworms to stabilize active organic materials and transform them into a useful soil amendment and source of plant nutrients.
Vermicompost
Green manure
Aerobic
Anaerobic
The following materials are possible for making compost EXCEPT.
Coffee residue
vegetable waste
pet waste
paper napkins
What is the chemical formula of Urea fertilizer?
CH₄N₂O
CaCO3
NH₄NO₃
(NH4)3PO4
Does urea contains Potassium and Phosphorus?
YES
NO
The following are ways to put urea in plants EXCEPT.
Dissolve it in water and spray in the leafy part of the plants
Sprinkle it on the area within the plants.
Put it directly in the roots of the plants.
Mix it with the soil before planting the seeds.
Indicator that shows plants have nitrogen deficiency.
pale-green color and yellowing of the leaves
Leaves may be curled, distorted, smaller than normal, or drop prematurely.
It stunts plant growth and reduces yield.
defoliation of lower leaves and reduced fruit yields
What is the main function of using egg shell as organic fertilizer?
strengthening plants' cell walls
increase crop production
stabilize the pH of the soil
support the water retention of the plants
The following are benefits of using eggshell as fertilizer EXCEPT.
encourage root growth
helps to lower the soil's pH level
Encourage a good bacterial population which in turn promotes healthy root growth.
stimulate flowering
The following are disadvantages of using eggshell as fertilizer EXCEPT.
eggshells contain bacteria
can attract rats to your compost pile
If you don’t crush the shells well enough, they will take a while to decompose
Won’t burn your plant’s roots
What is the chemical composition of eggshell?
NH4NO3
KNO3
(NH4)2SO 4
CaCO3
