Kamis, 20 Februari 2014

IRRIGATION SAWAH

IRRIGATION SAWAHIntermittent irrigation is also called intermittent setting land conditions in dry conditions and alternately flooded for :· Water saving irrigation so that the area can be irrigated becomes more widespread.· Provide opportunities to get
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air to the roots so that it can evolve further.· Prevents iron poisoning .
      
· Prevent the accumulation of organic acids and H2S gases that inhibit root development .


Intermittent irrigation provide an opportunity for roots to grow better .
Intermittent irrigation reduces kerebahan .· Enabling yangbermanfaat microbial microorganisms .· Reduce kerebahan .· Reduce the amount of non-productive tillers ( not produce panicles and grain ) .· Uniform ripening grain and accelerate time to harvest .· Facilitate the embedding of fertilizer into the soil ( topsoil ) .· Facilitate pest control snails , reducing the spread of brown planthoppers and stem borers , and reduce damage to paddy crop due to pest rodents .
In doing intermittent irrigation to consider that the way this is done depends on :
· The type of soil ;

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land that can not hold water should be cautious in applying intermittent irrigation method , as did heavy soil types .· The pattern of irrigation in the local area ; already established that intermittent irrigation every 3 days , the pattern of existing irrigation followed this course .· In the wetland dried difficult because poor drainage , intermittent irrigation does not need to be practiced .In places that are difficult dried Because poor drainage , intermittent irrigation is not necessary .

Intermittent irrigation ways :· Planting seedlings in paddy conditions macakmacak .· Gradually 2-5 cm soil watered until the plants are 10 days old .· Allow the rice to dry themselves , without watered ( usually 5-6 days ) .· After cracking the ground for 1 day , irrigated rice fields back as high as 5 cm .· Allow the rice to dry themselves , without irrigated ( 5-6 days ) and watered as high as 5 cm .Requires intermittent irrigation when setting land flooded and drained .
· Repeat the above until entering stadia flowering plants .· Since the phase out interest until 10 days before harvest , irrigated land kept as high as 5 cm , then drained land .Ten days before harvest drained land .

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