AGR203

the process of making hard
seed covering weaker or
pervious to water and
gases is referred to as

Is the process of
neutralizing acidic soil.

Calcium carbonate is used
to neutralize

is used for making plates in
tractor batteries

The conventional way of
breaking up soil lumps is
through

6. Is not a type of tillage

fertilizer which supply two
or three of the major plant
nutrient elements e.g.
nitrogen, phosphorus, and
potassium is called

8. Is not a micro nutrient

stunted growth,Loss of
green color, yellow
discoloration of leaves from
tip backward, older leaves
brown all these are
deficiency symptoms of

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

In order to prevent the
breakdown of soil
aggregates due to raindrop
impact, their aggregate
stability must be improved
by

Good soil aeration
facilitates

All
Benefits from improved soil
earation

s the total amount of water
applied through irrigation.

tractors do not usually have
adjustable tread of
adequate clearance for row
crop operations

16. Is refer to Precipitation.

The quality of sunlight
affects

Lossens the soil and result
in a seed bed suitable for
germination

which of the following farm
implements perform the
functions such as smooth
and pulverize plowed soil
compact it and destroy
weeds

The richest and most
concentrated manure is

Aerobic and anaerobics are
classifications of

All these can be
incorporated into the soil
Through Tillage: Rocks,
Organic matter, Humus and
Weeds with the exception
of

Good soil aeration
facilitates

Only
Elements have been found
to be essentials for all
plants and four others have
been found essentials for
some plant.

Grading and terracingare
done on a

26. _Is not a tillage practice

27. Tillage facilitated all exept

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

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

the practice of cultivating
and planting on strips of
land that are of the same
elevation is called

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

s the total amount of water
applied through irrigation.

tractors are most suitable
for small operations

One of this is not a tillage
practice

the practice of growing and
Ploughing in green crops to
increase the organic matter
content of the soil is
referred to as

One of this is not a tillage
practice

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

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

Is the total amount of water
applied through irrigation

When a living seed fails to
germinate even when
provided with the normal
conditions necessary for
germination, such a seed is
said to be

A good seed bed should
have

The crawler tractor is used
for
operations

which of the following soil
type does not allow easy
percolation of water and
encourages surface run

Tillage is define as
changing the soil condition
with a
__for the benefit of Man

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

What is the effect of low
temperature on crops

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

the most ancient and most
universal forms of tillage is

The procedure of removing
excess emerged seedlings
is referred to as