1. USDA, 2020a. World agricultural production. Available at: https://downloads.usda.library.cornell.edu/usda-esmis/files/5q47rn72z/ft849d88n/q811m8874/production.pdf Accessed: 2020-12-08.
2. USDA, 2020b. Grain: world markets and trade. Available at: https://apps.fas.usda.gov/psdonline/circulars/2020/11/grain.pdfAccessed: 2020-12-08.
3. USDA, 2020c. Sugar: world markets and trade. Available at: https://apps.fas.usda.gov/psdonline/circulars/2020/10/sugar.pdf Accessed: 2020-12-08.
4. USDA, 2020d. Fresh apples, grapes, and pears: world markets and trade. Available at: https://apps.fas.usda.gov/psdonline/circulars/2020/10/fruit.pdf Accessed: 2020-12-08.
5. USDA, 2020e. Fresh peaches and cherries: world markets and trade. Available at: https://apps.fas.usda.gov/psdonline/circulars/2020/11/stonefruit.pdf Accessed: 2020-12-08.