Question

climatic conditions of rice

Answer 1

Answer:

Rice crop needs a hot and humid climate. It is best suited to regions which have high humidity, prolonged sunshine and an assured supply of water. The average temperature required throughout the life period of the crop ranges from 21 to 37º C. Maximum temp which the crop can tolerate 400C to 42 0C.

Explanation:

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Answer 2

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Rainfall

Rice cultivation is possible only in areas with good rainfall, as the crop requires standing water for growth. A monthly rainfall of 100-200 mm is a must and about 125 cm is during vegetative season. And there should be no water at ripening stage.

Temperature

Rice being a tropical and sub-tropical plant, requires a fairly high temperature, ranging from 20° to 40°C. The optimum temperature of 30°C during day time and 20°C during night time is considered favorable for its growth and development.

Sunlight

Sunlight is a must for all plant lives, a source of energy. During the ripening period of last 35 to 45 days, the yield is most benefited by sunlight. Bright sunshine with low temperature during ripening period of the crop helps in the development of carbohydrates in the grains. The effect of solar radiation is more profound where water, temperature and nitrogenous nutrients are not limiting factors.

Soil

Rice grows on a variety of soils like silts, loams and gravels. However, clayey loam is well suited to the raising of this crop.

Rice grows on a variety of soils like silts, loams and gravels. However, clayey loam is well suited to the raising of this crop.