AGR203

Is the procedure used for
removing excess emerged
seedlings.

s the total amount of water
applied through irrigation.

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

An oxidised nutrient
becomes

5. _Is not a tillage practice

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

Is not an impliment for bed
preparation

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

All cultivated plants were
domesticated from their

tractors are most suitable
for small operations

Good soil aeration
facilitates

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

is the effect of low
temperature on crops.

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

15. Is not a micro nutrient

Is the process of
neutralizing acidic soil.

China is one of the riches
centre of

Aerobic and anaerobics are
classifications of

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

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

One of this is not a tillage
practice

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

Stunted growth,Leaves turn
dark bluish green, purpling
and browning from tip
backward,Plants slow to
ripen, remaining green all
these are deficiency
symptoms of

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

is the effect of high wind
velocity on crops

27. Is not a macro nutrient

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

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

30. Photo period is refers to

Is the total amount of water
applied through irrigation

32. Is refer to Precipitation.

An alkaline soil contains a
high

Does not cause disease in
plants

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

Aerobic and anaerobics are
classifications of

A good seed bed should
have

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

Can be a method of pest
control

Grading and terracingare
done on a

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

Does not cause disease in
plants

What is the effect of low
temperature on crops

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

An acidic soil contains a
high

What is the effect of high
wind velocity on crops

What is the effect of high
wind velocity on crops

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

49. Tillage facilitated all exept

The richest and most
concentrated manure is