Oxaline is primarily used in the field of agriculture as a fungicide. It effectively controls fungal diseases in various crops, including vegetables, fruits, and ornamental plants. The chemical works by inhibiting the growth of fungi, thereby protecting plants from infections that can lead to significant crop losses. Farmers apply oxaline through foliar sprays or soil treatments, depending on the type of crop and the nature of the fungal threat. Its use helps in maintaining crop health and ensuring higher yields, making it a valuable tool in modern agricultural practices. Additionally, oxaline is known for its relatively low environmental impact compared to some other fungicides, which contributes to its popularity among growers who are mindful of sustainable farming practices.