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Agricultural Reviews
Year : 2006, Volume : 27, Issue : 3
First page : ( 223) Last page : ( 228)
Print ISSN : 0253-1496.

Effect of few important climatic factors on phenology, growth and yield of rice and wheat - A review

Goswami B., Mahi G.S., Saikia Uday S.*

Punjab Agricultural University, Ludhiana-141 004, India.

*Part address: Division of Agricultural Physics, IARI, New Delhi-110 012, India.

Abstract

Weather and climate greatly influence the agricultural productivity in any region. Agricultural production and productivity of any region is being regulated by the prevailing climate of that area through temperature, rainfall, light intensity, radiation, sunshine duration etc. The importance of temperature and humidity in enhancing plant nutrient availability and absorption and also the role they play in disease and pest infestation is well documented. Relationship between two or more weather parameters and grain yield of crops can be used for yield prediction well before the actual harvesting of the crops. The unusual weather during reproductive period of a crop adversely affects the crop productivity. In recent years untimely rainfall during maturity period has affected rice and wheat cropping system. Although the climate is the least manageable part of environmental resources, yet a better understanding of the climatic resources and their interactions with agricultural parameters can help to increase the crop productivity.

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