AGR203

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

Good soil aeration
facilitates

An oxidised nutrient
becomes

An oxidised nutrient
becomes

The procedure of removing
excess emerged seedlings
is referred to as

One of this is not a tillage
practice

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

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

9. Photo period is refers to

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

The conventional way of
breaking up soil lumps is
through

Good soil aeration
facilitates

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

China is one of the riches
centre of

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

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

Grading and terracingare
done on a

does not allow easy
percolation of water and
encourages surface run

oxidation after tillage
facilitates
__Of nutrients

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

Aerobic and anaerobics are
classifications of

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

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

The richest and most
concentrated manure is

the process of neutralizing
acidic soil is referred to as

is the effect of high wind
velocity on crops

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

tractors are most suitable
for small operations

30. Tillage facilitated all exept

Aerobic and anaerobics are
classifications of

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

33. Is not a type of tillage

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

35. Edaphic factors is refer to

Is the procedure used for
removing excess emerged
seedlings.

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

The quality of sunlight
affects

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

The conventional way of
breaking up soil lumps is
through

Is the equipment use to
measure relative humidity.

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

43. Cause litle injury to the corn

An alkaline soil contains a
high

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

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

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

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

An acidic soil contains a
high

50. Is not a macro nutrient