AGR203

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

Is an equipment for making
ridges

A good seed bed should
have

Is the equipments use to
measure temperature.

The quality of sunlight
affects

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

tractors can be referred to
as general purpose
machines

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

the most ancient and most
universal forms of tillage is

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

s the total amount of water
applied through irrigation.

is refers to the number of
days between any two
subsequent irrigation during
periods without rainfall

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

the total amount of water
applied through irrigation is
called

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

16. Is not a type of tillage

An alkaline soil contains a
high

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

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

The richest and most
concentrated manure is

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

tractors do not usually have
adjustable tread of
adequate clearance for row
crop operations

One of this is not a tillage
practice

Aerobic and anaerobics are
classifications of

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

What is the effect of low
temperature on crops

27. Tillage facilitated all exept

28. Is refer to Precipitation.

The flowers of leguminous
field crops are

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

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

Good soil aeration
facilitates

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

34. Is refer to Precipitation.

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

China is one of the riches
centre of

An acidic soil contains a
high

Good soil aeration
facilitates

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

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

All
Benefits from improved soil
earation

An acidic soil contains a
high

s the total amount of water
applied through irrigation.

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

46. Is not a macro nutrient

oxidation after tillage
facilitates
__Of nutrients

does not allow easy
percolation of water and
encourages surface run

The conventional way of
breaking up soil lumps is
through

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