AGR203

seeds of many plants
require moist chilling
conditions for a period of
time to render them
capable of germination.
This process is called

Does not cause disease in
plants

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

4. Can cause Erosion

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

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 procedure used for
removing excess emerged
seedlings.

One of this is not a tillage
practice

A good seed bed should
have

Grading and terracing are
done on

The richest and most
concentrated manure is

The conventional way of
breaking up soil lumps is
through

Can be a method of pest
control

the most common tillage
implement among small
scale farmers is

An oxidised nutrient
becomes

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

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

19. Edaphic factors is refer to

the quantity of water,
regardless of its source,
required by a crop in a
given period for its normal
growth and development
under field conditions at a
specific place is referred to
as

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

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

the addition of any calcium
or calcium and magnesiumcontaining compound to the
soil for reducing acidity is
called

the total amount of water
applied through irrigation is
called

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

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

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

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

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

What is the effect of low
temperature on crops

s the total amount of water
applied through irrigation.

Aerobic and anaerobics are
classifications of

The procedure of removing
excess emerged seedlings
is referred to as

All cultivated plants were
domesticated from their

oxidation after tillage
facilitates
__Of nutrients

An oxidised nutrient
becomes

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

is the effect of low
temperature on crops.

40. _Is not a tillage practice

is used for making plates in
tractor batteries

this refers to the application
of fertilizers into the soil
close to the seed or plant
and is employed when
relatively small quantities of
fertilizers are to be applied

Is the total amount of water
applied through irrigation

44. Cause litle injury to the corn

Is the process of
neutralizing acidic soil.

all these elements are
major plant nutrient: Fe, N,
P and K with the exception
of one

Can be a method of pest
control

is generally defined as the
artificial application of water
to the soil for the purpose of
supplying the moisture
essential for plant growth

Is the equipment use to
measure relative humidity.

The conventional way of
breaking up soil lumps is
through