The Agricultural Development Bank is the Agricultural Bank of China, and IFAD is a financial institution in the United Nations system, providing loans for food and agricultural development for developing member countries. There is no relationship between them.
The full name of IFAD is the International Fund for Agricultural Development, which is headquartered in Rome, Italy. Its purpose is to raise funds and provide them to developing member countries on preferential terms for developing grain production, improving people's nutritional level and gradually eliminating rural poverty.