Did crop get enough water in Maharashtra this Kharif season?

Posted on Posted in agri, Agriculture, Algorithm Development, Consultancy, Crop insurance, disaster, Disaster Management, satellite, Satellite Remote Sensing, Water Resources

The Kharif season is approaching its end and the availability of water to crops in Maharashtra using Satellite microwave remote sensing reasonably be quantified. The satellite estimated daily soil moisture is converted into monthly average relative soil moisture for June-September 2017 as shown in the figures.

During June, relative soil moisture varies from 0 to 0.8. Soil moisture is low in most part of the state except few patches in certain districts such as Ahmadnagar, Pune, Satara, Solapur, Osmanabad and Sangali. The low soil moisture in June had impacted the sowing activities adversaly ((http://www.deccanchronicle.com/nation/current-affairs/140616/imd-tells-farmers-to-postpone-sowing-as-monsoon-delayed-in-maharashtra.html)).

In July, relative soil moisture was better than June in most of the states, however still below 0.5. Though the soil moisture improved in July, however, it was still not sufficient to eliminate the water stress in the crops and provide a conductive environment for the crops to grow.

Subsequently, Soil moisture in August improved significantly that varied from 0.4 to 0.8, except some districts such as Amaravati, Aurangabad, Nashik and Pune division, having soil moisture below 0.3. This being the time for the grain filling activities of crops, the yield in these districts is expected to adversely impacted.

Soil moisture was found to be improved further in September, as most of the state has relative soil moisture around 0.8, providing a conducive environment during the ripening stage of the crops. However, still, some parts of Vidarbha and Pune regions had relative soil moisture less than 0.5. Vidarbha and Marathwada regions are the drought-prone regions, which received the deficient rainfall (23% as of 20th September) this season. ((http://economictimes.indiatimes.com/news/politics-and-nation/late-monsoon-surge-to-shower-relief-on-states-at-drought-risk/articleshow/60775218.cms)).

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