Herbs of Commerce, 2nd edition (2000)
The American Herbal Products Association’s Herbs of Commerce is a leading standard for all common and scientific plant names used for products containing herbs. The second edition lists Latin binomials, Standardized Common Names, Ayurvedic, Chinese (pinyin), and other common names for 2,048 species, including 25 fungi and 23 seaweeds. (1st edition; 2nd edition).
Reference courtesy of Leila Saldanha, USA National Institutes of Health

Glossary of Terms Used with UNECE Standards On Fresh Fruit and Vegetables (2016)
Covers food quality, sizing, ripeness, marketing and other descriptors.
https://www.unece.org/fileadmin/DAM/trade/agr/standard/fresh/StandardLayout/Glossary_FFV_2016_E.pdf
Reference courtesy of Graham King, Southern Cross University

Crop Progress/Crop Weather Terms and Definitions
Crop condition and soil quality, crop condition and phenological stages (for corn, soyabean, cotton etc.)
https://www.nass.usda.gov/Publications/National_Crop_Progress/terms_definitions.php
Reference courtesy of Graham King, Southern Cross University

Terminology for the Description of Developmental Stages of Horticultural Crops (1984)
http://ucce.ucdavis.edu/files/datastore/234-426.PDF
Reference courtesy of Graham King, Southern Cross University

Post-harvest losses: discovering the full story. Overview of the phenomenon of losses during the Post-harvest System (FAO, 2002)
http://www.fao.org/3/ac301e/ac301e03.htm
Reference courtesy of Graham King, Southern Cross University

Feedipedia.org: an online encyclopedia of animal feeds
feedipedia.org