Improved and tall varieties of wheat require 25 to 30 cm of water. In these varieties, there are three critical stages from the point of view of water use –
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Tillering stage (30 days after sowing),
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Flowering stage (50 to 55 days after sowing)
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Milking stage (95 days after the sowing stage) etc.
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Irrigation in this stage increases the yield.
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It is necessary to give 8 cm of water in each irrigation.
Dwarf wheat varieties require more water from the beginning, due to which the development of roots and tillers is more, and the plants get more spikes. As a result, more yield is obtained. These varieties require 40 to 50 cm of water. It is necessary to give 6 to 7 cm of water per irrigation.
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First irrigation at the time of sowing
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Second irrigation 21-25 days after sowing (at CRI stage)
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Third irrigation 41-45 days after sowing (at the tillering stage)
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Fourth irrigation 61-65 days after sowing (at the flowering stage)
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Fifth irrigation 81-85 days after sowing (at grain filling stage)
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Out of this, the crown root initiation and flowering stages are the most important stages.
In the late variety, irrigation should be kept at every 20 days intervals, from the flowering stage to the grain-filling stage, and must take care of the water, due to the high temperature, the water dries up quickly and the grains get wrinkled. That’s why it is necessary to give water from time to time in late-sown wheat.
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