Irrigation can be defined as
Irrigation can be defined as A. high water table for plants B. a system of farming in whivh…
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Which of the following is not an effect of bush burning on the soil?
Which of the following is not an effect of bush burning on the soil? A. sterilizing soil against…
Adoption of clean clearing of land in the tropical rain forest is not advisable because…
Adoption of clean clearing of land in the tropical rain forest is not advisable because it A. encourages…
Lodging in crops is caused by excess supply of
Lodging in crops is caused by excess supply of A. potassium B. sulphur C. iron D. nitrogen E.…
The texture and the mineral composition of soil depend mainly on
The texture and the mineral composition of soil depend mainly on A. topography B. light intensity C. organic…
Which of the following types of fertilizer is recommended for use in high quantities for…
Which of the following types of fertilizer is recommended for use in high quantities for groundnut production? A.…
In an experiment to determine the percentage of humus content in a soil, the following…
In an experiment to determine the percentage of humus content in a soil, the following results were obtained:…
The alternate heating and cooling of rocks will result in
The alternate heating and cooling of rocks will result in A. molten magma B. sublimation C. solidification D.…
Tropical crops grow best within the temperature range of
Tropical crops grow best within the temperature range of A. 400C-600C B. 350C-550C C. 300C-500C D. 180C-320C E.…
A biotic factor influencing agricultural production is
A biotic factor influencing agricultural production is A. rainfall B. predator C. soil structure D. wind E. temperture…