AGR203

Aerobic and anaerobics are
classifications of

Sometimes sowing is done
by scattering the seeds at
random on the field or plot.
This method of sowing is
referred to as

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

4. Is not a type of tillage

An alkaline soil contains a
high

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

The quality of sunlight
affects

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

China is one of the riches
centre of

Good soil aeration
facilitates

Is the equipment use to
measure relative humidity.

13. Is not a micro nutrient

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

All
Benefits from improved soil
earation

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

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

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

Calcium carbonate is used
to neutralize

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

An alkaline soil contains a
high

An acidic soil contains a
high

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

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

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

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

is the effect of low
temperature on crops.

An acidic soil contains a
high

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

The conventional way of
breaking up soil lumps is
through

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

Is not an impliment for bed
preparation

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

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

36. _Is not a tillage practice

37. Photo period is refers to

38. Photo period refers to

39. Cause litle injury to the corn

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

Does not cause disease in
plants

s the total amount of water
applied through irrigation.

Grading and terracingare
done on a

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

The flowers of leguminous
field crops are

Good soil aeration
facilitates

What is the effect of low
temperature on crops

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

49. Is not a macro nutrient

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