[{"text_idx": "#000003", "text": "Cutting pesticide spray residue on crops aim of grant, esploro"}, {"text_idx": "#000004", "text": "Reducing the use of broad-spectrum pesticides that leave residues on food marks the focus of a new research project led by Lav Khot, an assistant professor in the Department of Biological Systems Engineering at Washington State University."}, {"text_idx": "#000005", "text": "Efforts by Khot and his cohorts will be funded through a 3\u2010year, $300,000 New Investigator grant from the Foundation for Food and Agriculture Research (FFAR)."}, {"text_idx": "#000006", "text": "WSU professor Lav Khot prepares flying an 8\u2010bladed octo\u2010copter over a vineyard to measure the irrigation effectiveness."}, {"text_idx": "#000008", "text": "\u201cIn the lab, we\u2019ll look at how efficient we are in effectively delivering ozonated water as spray to control insects and other pests,\u201d said Khot, the principal investigator on the grant. \u201cThe challenge is to deliver the required concentration at the point\u2010of\u2010contact. If we\u2019re successful, then we\u2019ll apply the sprays in a limited manner with the goal of reducing chemical residues on the produce.\u201d"}, {"text_idx": "#000009", "text": "Khot said some commercial companies are advertising new ozonated water sprayers that have made promising claims regarding pest and disease control outcomes in orchard crops. Growers want independent data and validation before making a significant investment into these technologies."}, {"text_idx": "#000010", "text": "Khot and his team also will look at emerging technologies to study new organic products like plant extracts and highly refined petroleum oils. They will test application using smart sprayers to study their effectiveness in pest control, Khot said."}, {"text_idx": "#000011", "text": "\u201cThere\u2019s a lot of interest in these oils,\u201d said Khot. \u201cThey\u2019ve been very efficient in fighting citrus greening disease in Florida, and we want to see if they can be used in Washington agriculture.\u201d"}]