AGR203

Continuous use of
ammoniacal or ammoniumforming fertilizers on acidic
soil should be avoided as it
tend to make the soil

Is an equipment for making
ridges

Is the procedure used for
removing excess emerged
seedlings.

A tractor that has a track
running the full length on
both sides is

the process of neutralizing
acidic soil is referred to as

the most ancient and most
universal forms of tillage is

Does not cause disease in
plants

cereal crops such as maize,
sorghum and millet are
planted with a definite inter
and intra row spacing to
achieve a precise plant
density. This method is
called

An oxidised nutrient
becomes

Among these: Disc, Chsel,
Rotary hoe and Subsoiler
one is not primary tillage
equipment

One of this is not a tillage
practice

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

Grading and terracingare
done on a

Can be a method of pest
control

In this method the irrigation
water is applied to the crop
above the ground surface in
the form of spray

16. _Is not a tillage practice

the most common form of
soil collection tillage in
tropical Africa is called

irrigation method, where
water is applied directly to
the soil surface from a
channel located at the
upper reach of the field is
known as

19. Photo period refers to

Is refers to the spraying of
the leaves of growing plants
with suitable fertilizer
solutions

the practice where crop
production is carried out
with as little tillage or soil
disturbance as possible is
known as

What is the effect of low
temperature on crops

23. Is not a type of tillage

is refers to the number of
days between any two
subsequent irrigation during
periods without rainfall

is used for making plates in
tractor batteries

refers to the spraying of the
leaves of growing plants
with suitable fertilizer
solutions

27. Is not a micro nutrient

oxidation after tillage
facilitates
__Of nutrients

An oxidised nutrient
becomes

All cultivated plants were
domesticated from their

The procedure of removing
excess emerged seedlings
is referred to as

Sometimes sowing is done
by scattering the seeds at
random on the field or plot.
This method of sowing is
referred to as

is the method the irrigation
where by water is applied to
the crop above the ground
surface in the form of spray.

maintaining more moisture
in the soil,increasing
surface roughness and
reducing wind velocity are
all measures of

the most common tillage
implement among small
scale farmers is

the total amount of water
applied through irrigation is
called

Good soil aeration
facilitates

the amount of irrigation
water required to bring the
soil moisture level in the
effective root zone to field
capacity is called

is commonly practiced with
respect to crops that are
planted in rows. It involves
tilling the areas between
the crop rows

The conventional way of
breaking up soil lumps is
through

Is the process of
neutralizing acidic soil.

Grading and terracing are
done on

Can be a method of pest
control

when the cotyledons
remain at the level where
the seed was planted and
are not carried above
ground. Such seedlings
exhibit

Does not cause disease in
plants

Is not an impliment for bed
preparation

An alkaline soil contains a
high

tractors are most suitable
for small operations

when the seeds are
germinated at temperatures
slightly above freezing
before they are sown. This
process is called

50. Is refer to Precipitation.