The most efficient irrigation method on large scale farms involve the use of
Overhead irrigation facilities
Flooding system
Underground porous pipes
Shadoof system
Correct answer is A
No explanation has been provided for this answer.
Which of the following is not a principal of crop rotation?
Deep-rooted crops should be followed by shallow rooted crops
A period of fallow must be provided in the cours of the rotation
A leguminous crop should be included in the system
Crops that can be attacked by the same pest should not follow each other
Correct answer is B
No explanation has been provided for this answer.
Nitrogen deficiency in plants can lead to the following except
Stunted growth
Excessive growth
Lower protein content of crop products
General yellowing of leaves
Correct answer is B
No explanation has been provided for this answer.
Nitrogen may be lost from the soil through the following processes except
Crop removal
Soil erosion
Leaching
Irrigation
Correct answer is D
No explanation has been provided for this answer.
66.7%
60.0%
15.0%
33.3%
Correct answer is D
No explanation has been provided for this answer.