Nueva Ecija is one of the top producers of agricultural products in the country. Its principal crops is mainly rice but corn and onion are produced in quantity. The province is often referred to as the “Rice Granary of the Philippines.” Other major crops are mango, calamansi (calamondin orange), banana, garlic, and vegetables. The municipality of Bongabon at the eastern part of the province at the foot of the Sierra Madre mountains and its neighbouring Laur and Rizal are the major producers of onion and garlic. Bongabon is called the “onion capital of the country”. A sunflower farm is housed inside the Central Luzon State University campus in Science City of Muñoz.