Biology, asked by deepaklx, 1 year ago

how to protect the crop

Answers

Answered by abhishek2457
1
we protect the crops by giving water defend
from insects.

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Answered by sakshi7048
7
\underline{\bold{Crop\:Protection}}

The protection of crops from different harmful substances in a field is basically termed as crop protection .

\underline{\bold{Protection\:Fom\:Weeds}}

\bold{Weeds}

Unwanted plants that are grown with the main crop is basically termed as weeds.

For example- xanthium , chenopodium.

\bold{a)Mechanical\:method}

The removal of weeds by hoe , seed drill , by ploughing or by the manual method ( by hands ). this is basically termed as mechanical method of removing weeds.

\bold{b)Chemical\:method}

The removal of weeds by using chemical called weedicides in order to kill weeds is basically termed as chemical methods of removing weeds.

For example- by using 2-4D , MCPA.

\bold{c)Biological\:method}

the removal of weeds by some insects which basically consume the weeds . thus is basically termed as biological control of weeds.

For example- Prickly pear cactus by cochineal insect.
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