AGR203

All
Benefits from improved soil
earation

An alkaline soil contains a
high

tractors are most suitable
for small operations

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

Good soil aeration
facilitates

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

may be defined as a
protective covering over the
soil surface that is intended
to minimize evaporation
losses

The quality of sunlight
affects

9. Is refer to Precipitation.

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

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

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

One of this is not a tillage
practice

14. Tillage facilitated all exept

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

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

Grading and terracingare
done on a

The conventional way of
breaking up soil lumps is
through

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

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

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

The conventional way of
breaking up soil lumps is
through

The richest and most
concentrated manure is

24. Is not a macro nutrient

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

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

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

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

The procedure of removing
excess emerged seedlings
is referred to as

tractors can be referred to
as general purpose
machines

Good soil aeration
facilitates

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

the most common tillage
implement among small
scale farmers is

An alkaline soil contains a
high

36. Edaphic factors is refer to

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

Calcium carbonate is used
to neutralize

Does not cause disease in
plants

40. _Is not a tillage practice

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

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

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

All cultivated plants were
domesticated from their

Is an equipment for making
ridges

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

Is the total amount of water
applied through irrigation

during germination the
cotyledons are carried
above ground level due to
elongation of the region just
below the cotyledons such
kind of germination is
referred to as

An acidic soil contains a
high

Good soil aeration
facilitates