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Organic materials which are added to soil of crop field to improve its physical conditions are called Manures
Biological contrl is a method of control of pest or weed in which one living organism is used to control another living organism.
Weeds are plants that grow in places where they are not wanted.
Pesticides are Toxic chemicals.
Chemicals used to kill weeds are called Weedicides
Fill in the blanks: Organic materials which are added to soil of crop field to improve its physical conditions are called……………..
Organic materials which are added to soil of crop field to improve its physical conditions are called Manures
Organic materials which are added to soil of crop field to improve its physical conditions are called Manures
See lessFill in the blanks: ………….. is a method of control of pest or weed in which one living organism is used to control another living organism.
Biological contrl is a method of control of pest or weed in which one living organism is used to control another living organism.
Biological contrl is a method of control of pest or weed in which one living organism is used to control another living organism.
See lessFill in the blanks: ……… are plants that grow in places where they are not wanted.
Weeds are plants that grow in places where they are not wanted.
Weeds are plants that grow in places where they are not wanted.
See lessFill in the blanks: Pesticides are ………………… chemicals.
Pesticides are Toxic chemicals.
Pesticides are Toxic chemicals.
See lessFill in the blanks: Chemicals used to kill weeds are called……..
Chemicals used to kill weeds are called Weedicides
Chemicals used to kill weeds are called Weedicides
See less