AGR203

An alkaline soil contains a
high

One of this is not a tillage
practice

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

tractors are most suitable
for small operations

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

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

What is the effect of high
wind velocity on crops

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

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

Does not cause disease in
plants

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

Aerobic and anaerobics are
classifications of

the most ancient and most
universal forms of tillage is

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

15. Is not a micro nutrient

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

Is the equipment use to
measure relative humidity.

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

the most common tillage
implement among small
scale farmers is

the total amount of water
applied through irrigation is
called

Can be a method of pest
control

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

The flowers of leguminous
field crops are

Grading and terracing are
done on

26. Can cause Erosion

An oxidised nutrient
becomes

28. _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

The crawler tractor is used
for
operations

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

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

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

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

One of this is not a tillage
practice

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

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

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

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

irrigation method, where
water is applied directly to
the soil surface from a
channel located at the
upper reach of the field is
known as

oxidation after tillage
facilitates
__Of nutrients

tractors can be referred to
as general purpose
machines

Is not an impliment for bed
preparation

s the total amount of water
applied through irrigation.

What is the effect of high
wind velocity on crops

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

does not allow easy
percolation of water and
encourages surface run

49. Tillage facilitated all exept

50. Is refer to Precipitation.