AGR203

tractors are most suitable
for small operations

2. Photo period is refers to

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

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

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 form of
soil collection tillage in
tropical Africa is called

Grading and terracing are
done on

8. Is refer to Precipitation.

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

What is the effect of high
wind velocity on crops

the most common tillage
implement among small
scale farmers is

s the total amount of water
applied through irrigation.

Seeds that are to be stored
are commonly protected
from diseases and pest by
treating them with
appropriate pesticides. This
procedure is referred to as

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

15. Is refer to Precipitation.

16. _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

A good seed bed should
have

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

Is the process of
neutralizing acidic soil.

Good soil aeration
facilitates

An acidic soil contains a
high

s the total amount of water
applied through irrigation.

Is the total amount of water
applied through irrigation

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.

An alkaline soil contains a
high

28. Is not a type of tillage

One of this is not a tillage
practice

The richest and most
concentrated manure is

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

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

Is not an impliment for bed
preparation

Does not cause disease in
plants

China is one of the riches
centre of

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

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

Is the procedure used for
removing excess emerged
seedlings.

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

42. Is not a macro nutrient

An alkaline soil contains a
high

The quality of sunlight
affects

Is the most common tillage
implement used among
small scale farmers.

Is an equipment for making
ridges

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

An acidic soil contains a
high

Does not cause disease in
plants

Grading and terracingare
done on a