The use of parasites and predators to control weeds is re...
The use of parasites and predators to control weeds is referred to as
Biological control
Chemical control
Cultural control
Mechanical control
Correct answer is A
No explanation has been provided for this answer.
The following are advantages of sub-surface irrigation except that ...
Which of the following is an effect of stability of market price in agricultural production? ...
Which of the following factors is the least important in selecting a site for a fish-pond? ...
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The machine used for removing seeds from maize cobs is called a ...
Which of the following is the function of nitrosomonas in the nitrogen cycle? ...
Which of the following practices promote agricultural development? ...