The right to farm all land is hereby recognized to exist as a natural right and is also hereby ordained to exist as a permitted use in all zones where it currently legally exists or is currently an allowed use under this chapter and all other ordinances of the Township, county and state dealing with health, sanitation and environmental protection. The "right to farm," as it is used in this section, includes the use of irrigation pumps and equipment, aerial and ground seeding and spraying, tractors, farm laborers and the application of chemical fertilizers, insecticides and herbicides, as well as other mechanized equipment and modern procedures, including composting and on-site disposal of organic waste, all for the purpose of producing from the land agricultural products such as but not limited to vegetables, grains, hay, fruits, fibers, wood, trees, plants, shrubs, flowers and seeds, as well as the propagation and maintenance of horses, cows and other grazing livestock, fowl production, the maintenance of swine (as per and in accordance with Board of Health regulations) and providing for the processing and packaging, wholesaling and retailing of such products as contribute to farm income, including the construction of buildings, fences and parking areas in conformance with Township codes. Livestock fencing shall conform to the use intended and shall require a permit with no fee.