AGR203

1. Is not a macro nutrient

The richest and most
concentrated manure is

The procedure of removing
excess emerged seedlings
is referred to as

An acidic soil contains a
high

tractors are most suitable
for small operations

The conventional way of
breaking up soil lumps is
through

is the effect of low
temperature on crops.

The quality of sunlight
affects

is the effect of high wind
velocity on crops

An alkaline soil contains a
high

11. Cause litle injury to the corn

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

Can be a method of pest
control

China is one of the riches
centre of

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

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

17. Photo period refers to

What is the effect of high
wind velocity on crops

Is the process of
neutralizing acidic soil.

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 premitive tillage tools
were made of the following:
Bones, Stones, Metals and
Wood with the exeption of

23. 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 not an impliment for bed
preparation

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

One of this is not a tillage
practice

All cultivated plants were
domesticated from their

Grading and terracingare
done on a

An oxidised nutrient
becomes

The crawler tractor is used
for
operations

32. Is not a micro nutrient

An acidic soil contains a
high

tractors can be referred to
as general purpose
machines

during germination the
cotyledons are carried
above ground level due to
elongation of the region just
below the cotyledons such
kind of germination is
referred to as

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

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

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

Good soil aeration
facilitates

Good soil aeration
facilitates

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

42. Tillage facilitated all exept

What is the effect of high
wind velocity on crops

An alkaline soil contains a
high

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

Can be a method of pest
control

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

oxidation after tillage
facilitates
__Of nutrients

occurs when rainfall
intensity exceeds the
infiltration capacity of the
soil

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