AGR203

One of this is not a tillage
practice

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

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

An oxidised nutrient
becomes

The crawler tractor is used
for
operations

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

7. Photo period refers to

8. Photo period is refers to

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

Can be a method of pest
control

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

the most common tillage
implement among small
scale farmers is

Is the process of
neutralizing acidic soil.

Can be a method of pest
control

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

The quality of sunlight
affects

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

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

Aerobic and anaerobics are
classifications of

20. Cause litle injury to the corn

the practice of cultivating
and planting on strips of
land that are of the same
elevation is called

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

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

24. Edaphic factors is refer to

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

Is an equipment for making
ridges

Good soil aeration
facilitates

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

Grading and terracingare
done on a

30. Tillage facilitated all exept

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

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

Grading and terracing are
done on

is commonly practiced with
respect to crops that are
planted in rows. It involves
tilling the areas between
the crop rows

the process of neutralizing
acidic soil is referred to as

36. Is not a micro nutrient

The richest and most
concentrated manure is

is the effect of low
temperature on crops.

Good soil aeration
facilitates

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

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

An oxidised nutrient
becomes

The procedure of removing
excess emerged seedlings
is referred to as

is used for making plates in
tractor batteries

Is the equipments use to
measure temperature.

An acidic soil contains a
high

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

What is the effect of low
temperature on crops

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

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