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Advancing Smart Farming Thanks to Geospatial Technologies
The Netherlands’ agricultural exports are booming. In 2016, a record EUR85 billion worth of farming products were shipped around the globe, making the country (with an area of only 41,543 square kilometres!) the second-largest exporting nation in the world. Precision agriculture, also known as ‘smart farming’, is likely to further boost these export activities significantly in the coming years, as geospatial technologies help farmers to continue to increase their production.

The use of global navigation satellite systems (GNSS) – in particular GPS – has already become mainstream in the agriculture sector. Various machinery guiding and positioning solutions are available for farmers which have increased production and improved the yield per field. Seeding, harvesting and fertilisation are carried out much more efficiently than in the pre-GNSS era. Over the next decade, GNSS is expected to also expand in developing countries to the benefit of local farmers.

However, there is more than GNSS alone. Another geospatial technology that will offer exponential opportunities to the agricultural industry is remote sensing. This sensor-based technology observes the Earth from above and can be done from space – using satellites – but also from aircraft or unmanned aerial vehicles (UAVs or ‘drones’). Remote sensing using UAVs is within reach for many farmers, as these vehicles are flexible, small and relatively cheap. The most advanced remote sensing technology is hyperspectral imaging, but this has remained costly so far. There are now a number of interesting initiatives to substantially reduce the costs, however, so things seem to be moving in the right direction. In the meantime, multispectral imaging is a cheaper alternative. Despite being less suitable for specific agricultural tasks, multispectral imaging can still help the farmer to create a prescription map which supports more efficient use of fertilisers or a reduction in pesticides. Multispectral imaging of vegetation also is a good tool to identify crop stress indicators or a shortage (or abundance) of nutrients or water.

An innovation with a very promising future in farming is thermal imaging. This technology has enjoyed rapid growth and has already gained a foothold in various realms of agriculture, such as plant disease detection, nursery monitoring, irrigation scheduling and yield forecasting. Lightweight multispectral and thermal sensors on small UAVs are now reasonably priced and hence more accessible for farmers.

But what about good, old-fashioned GPS – the global positioning satellite system that has become so vital for so many farmers nowadays? Well, that will remain one of the pillars of modern agriculture. In fact, precise positioning will be the driving force behind the next revolution that will advance smart farming: driverless tractors. Farming without driving a tractor…that’s certainly something to digest for the diehard farmer. But GNSS will continue to make their mark in agriculture.


source:
https://www.gim-international.com/content/article/advancing-smart-farming-thanks-to-geospatial-technologies?utm_source=Newsletter+Superlist&utm_campaign=6c96ae3460-EMAIL_CAMPAIGN_2018_06_28_GIM&utm_medium=email&utm_term=0_9bcc6040d6-6c96ae3460-46367773&mc_cid=6c96ae3460&mc_eid=06be137504
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