Question 21· Soil fertility, manures and fertilisers· JAMB
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JAMB Agricultural Science questions: Soil fertility, manures and fertilisers
24 questions with answers and explanations. Tap an option to check yourself.
All topicsAgricultural economics and extension · 22Animal pests and diseases · 20Animal reproduction and nutrition · 20Classification and anatomy of farm animals · 19Crop classification and propagation · 18Crop pests and diseases · 20Farm tools and mechanisation · 17Fisheries and aquaculture · 17Forestry · 15Husbandry of field crops · 22Irrigation and drainage · 18Livestock management · 19Meaning and importance of agriculture · 19Soil fertility, manures and fertilisers · 24Soil formation and properties · 21Weeds and weed control · 15
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Question 22· Soil fertility, manures and fertilisers· JAMB
Yellowing of the older leaves of maize most likely shows a shortage of
Explanation and discussionQuestion 23· Soil fertility, manures and fertilisers· JAMB
Rhizobium bacteria live in the root nodules of
Explanation and discussionQuestion 24· Soil fertility, manures and fertilisers· JAMB
Which of these practices reduces soil fertility?
Explanation and discussion
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