{"id":1585,"date":"2017-09-01T10:38:24","date_gmt":"2017-09-01T08:38:24","guid":{"rendered":"http:\/\/spectors.eu\/wordpress\/?p=1585"},"modified":"2018-01-27T14:43:50","modified_gmt":"2018-01-27T13:43:50","slug":"haus-riswick-grass-trial-with-drones","status":"publish","type":"post","link":"https:\/\/spectors.eu\/wordpress\/haus-riswick-grass-trial-with-drones\/","title":{"rendered":"Haus Riswick grass trial with drones"},"content":{"rendered":"<p>On 29. August <span lang=\"EN-GB\">Harm Bartholomeus and Marcello Novani <\/span>from Wageningen University did some flights with drones provided with sensors in Haus Riswick, <span lang=\"EN-GB\">Landwirtschaftskammer of NRW property. <\/span><\/p>\n<p>The grass plots have been fertilized with different Nitrogen sources and amounts and the trial is performed in order to evaluate differences between the different plots. Not only drones have been used to take data, but also manual measurements of grass heights and furthermore samples for laboratory tests have been performed.<\/p>\n<p>The sensors on the drones included hypersprectral and optical cameras as well as a laser scanner.\u00a0 For the positioning and the mapping, ground markers have been placed around the surface object of the trial &#8211; they can be seen in some of the pictures-.<\/p>\n<p>Some videos of the drones in action are available, as well as pictures of the day:<\/p>\n<div class=\"wp-playlist wp-video-playlist wp-playlist-light\">\n\t\t<video controls=\"controls\" preload=\"none\" width=\"1478\"\n\t\t height=\"2634\"\t><\/video>\n\t<div class=\"wp-playlist-next\"><\/div>\n\t<div class=\"wp-playlist-prev\"><\/div>\n\t<noscript>\n\t<ol>\n\t\t<li><a href='https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5797.mp4'>hyperspectral1<\/a><\/li><li><a href='https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5802.mp4'>hypersprectral1 landing<\/a><\/li><li><a href='https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5815.mp4'>hyperspectral2<\/a><\/li><li><a href='https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5839.mp4'>laser scanner<\/a><\/li>\t<\/ol>\n\t<\/noscript>\n\t<script type=\"application\/json\" class=\"wp-playlist-script\">{\"type\":\"video\",\"tracklist\":true,\"tracknumbers\":true,\"images\":true,\"artists\":true,\"tracks\":[{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5797.mp4\",\"type\":\"video\/mp4\",\"title\":\"hyperspectral1\",\"caption\":\"\",\"description\":\"\",\"meta\":{\"length_formatted\":\"0:46\"},\"dimensions\":{\"original\":{\"width\":1280,\"height\":720},\"resized\":{\"width\":1478,\"height\":831}},\"image\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64},\"thumb\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64}},{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5802.mp4\",\"type\":\"video\/mp4\",\"title\":\"hypersprectral1 landing\",\"caption\":\"\",\"description\":\"\",\"meta\":{\"length_formatted\":\"0:39\"},\"dimensions\":{\"original\":{\"width\":404,\"height\":720},\"resized\":{\"width\":1478,\"height\":2634}},\"image\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64},\"thumb\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64}},{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5815.mp4\",\"type\":\"video\/mp4\",\"title\":\"hyperspectral2\",\"caption\":\"\",\"description\":\"\",\"meta\":{\"length_formatted\":\"0:42\"},\"dimensions\":{\"original\":{\"width\":404,\"height\":720},\"resized\":{\"width\":1478,\"height\":2634}},\"image\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64},\"thumb\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64}},{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/09\/MVI_5839.mp4\",\"type\":\"video\/mp4\",\"title\":\"laser scanner\",\"caption\":\"\",\"description\":\"\",\"meta\":{\"length_formatted\":\"0:43\"},\"dimensions\":{\"original\":{\"width\":404,\"height\":720},\"resized\":{\"width\":1478,\"height\":2634}},\"image\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64},\"thumb\":{\"src\":\"https:\/\/spectors.eu\/wordpress\/wp-includes\/images\/media\/video.svg\",\"width\":48,\"height\":64}}]}<\/script>\n<\/div>\n\t\n<p>&nbsp;<\/p>\n<div class=\"w-gallery layout_default cols_3 style_simple link_media\"><div class=\"w-gallery-list\"><a class=\"w-gallery-item order_1\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5662.jpg\" title=\"stationary hyperspectral system\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5662-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5662-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5662-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5662-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_2\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5682.jpg\" title=\"IMG_5682\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5682-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5682-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5682-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5682-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_3\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5683.jpg\" title=\"IMG_5683\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5683-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5683-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5683-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5683-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_4\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5734.jpg\" title=\"IMG_5734\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5734-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5734-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5734-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5734-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_5\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5735.jpg\" title=\"IMG_5735\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5735-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5735-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5735-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5735-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_6\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5789.jpg\" title=\"IMG_5789\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5789-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5789-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5789-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5789-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_7\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5790.jpg\" title=\"IMG_5790\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5790-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5790-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5790-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5790-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_8\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5801.jpg\" title=\"IMG_5801\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5801-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5801-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5801-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5801-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_9\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5806.jpg\" title=\"IMG_5806\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5806-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5806-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5806-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5806-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_10\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5810.jpg\" title=\"IMG_5810\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5810-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5810-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5810-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5810-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_11\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5812.jpg\" title=\"IMG_5812\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5812-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5812-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5812-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5812-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_12\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5816.jpg\" title=\"IMG_5816\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5816-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5816-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5816-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5816-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_13\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5820.jpg\" title=\"IMG_5820\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5820-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5820-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5820-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5820-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_14\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5822.jpg\" title=\"IMG_5822\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5822-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5822-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5822-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5822-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_15\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5823.jpg\" title=\"IMG_5823\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5823-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5823-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5823-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5823-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_16\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5826.jpg\" title=\"IMG_5826\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5826-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5826-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5826-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5826-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_17\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5827.jpg\" title=\"IMG_5827\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5827-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5827-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5827-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5827-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_18\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5833.jpg\" title=\"IMG_5833\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5833-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5833-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5833-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5833-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_19\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5838.jpg\" title=\"IMG_5838\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5838-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5838-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5838-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5838-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_20\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5848.jpg\" title=\"IMG_5848\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5848-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5848-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5848-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5848-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_21\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5852.jpg\" title=\"IMG_5852\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5852-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5852-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5852-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5852-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_22\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5857.jpg\" title=\"IMG_5857\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5857-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5857-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5857-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5857-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><a class=\"w-gallery-item order_23\" href=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5859.jpg\" title=\"IMG_5859\"><div class=\"w-gallery-item-img\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"600\" src=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5859-600x600.jpg\" class=\"attachment-tnail-1x1 size-tnail-1x1\" alt=\"\" srcset=\"https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5859-600x600.jpg 600w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5859-150x150.jpg 150w, https:\/\/spectors.eu\/wordpress\/wp-content\/uploads\/2017\/08\/IMG_5859-350x350.jpg 350w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div><\/a><\/div><\/div>\n\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On 29. August Harm Bartholomeus and Marcello Novani from Wageningen University did some flights with drones provided with sensors in Haus Riswick, Landwirtschaftskammer of NRW property. The grass plots have been fertilized with different Nitrogen sources and amounts and the trial is performed in order to evaluate differences between the different plots. Not only drones&#8230;<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34,27,45],"tags":[],"class_list":["post-1585","post","type-post","status-publish","format-standard","hentry","category-all","category-big-drones","category-fieldwork"],"_links":{"self":[{"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/posts\/1585","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/comments?post=1585"}],"version-history":[{"count":7,"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/posts\/1585\/revisions"}],"predecessor-version":[{"id":1985,"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/posts\/1585\/revisions\/1985"}],"wp:attachment":[{"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/media?parent=1585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/categories?post=1585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spectors.eu\/wordpress\/wp-json\/wp\/v2\/tags?post=1585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}