व्हाट इज द सिग्निफिकेंट ऑफ क्लाइमेट एंड सॉइल रिक्वायरमेंट इन क्रॉप प्रोडक्शन
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Answer:
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Explanation:
Climatic factors influence all aspects and stages of plant growth and hence affect
agricultural productivity and stability of production. Their influence extends from
the upper reaches of the atmosphere, in which spores and pollen are encountered, to
the soil depth penetrated by the roots. Although water supply plays a dominant role
in dryland agriculture, other climatic factors either enhance or reduce problems of
water deficit, or have beneficial or negative effects on crop production.
Enormous amounts of climatic data are collected daily, in practically every coun-
try. These efforts involve considerable investment in personnel and capital; it would
be an excercise in futility if these data were not put to use for increasing agricultural
productivity.
Agricultural metereology has been defined as the discipline that studies the rela-
tionship between agricultural production and climatic factors and attempts to en-
hance their favourable effects and/or attenuate their adverse effects.
Much information has accrued in this discipline in recent years as the result of a
considerable research effort in the laboratory, in growth chambers and in the field,
and practical application of this know-how is being developed.
Plant responses to climate
Each climate factor has a range of optimum intensity which differs with species, and
within species, with different growth stages.
Beyond the limits of the optimum intensity, plant development is adversely af-
fected, either by excess or deficiency intensity of the factor involved. The resulting
stress may cause physical or chemical changes, such as structural damage or destruc-
tion of enzymes that are vital to essential metabolic processes, or they may simply
cause a slowing down of these functions, that return to normal when the stress ceases.
According to the degree of intensity, the effects of a climate factor may therefore
be favourable, neutral, harmful or lethal.
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