Friday 27th Oct. 2017
Agricultural Science Paper I (Alternative to Practical)
3.30 pm – 5.00 pm
It will be posted Free here
ii)pils of yam(tubers)
to determine the presence of living organism in the soil
i)Collection of fresh garden soil in a piece of cellophane bag.
ii)One sample is heated and both bags are tied up with string.
iii)Placed all in a flask containing lime water
iv)The other end of flask is corked and allowed the veting for six hours.
v)The heated sample serves as control experiment to kill all organisms in the soil.
To kill all organisms in the soil.
C – The lime water turns milky since carbondioxide is released
D – The lime water remains the same
C – The unheated soil has micro organisms that release carbondioxide
D – The heated soil do not have any to release to the carbondioxide.
E- coco nut tree
F- bod pest
disease: palm bud
i)leads to scientific resreach and discovery
ii)it destroys the plant for a form of ecosystem
i)destorys the start of the tubers
ii)reduce the total farm yield
application of pesticides(DDT)
crop rotation practise
i)feed for animals
i)plough is for tilling the soil
ii)ridger is for making ridges
ii)it is compled to a tractor
iii)for mechanized farming
VI-vertical disc hitch