متن اصلی - انگلیسی - Coatings first were developed for ...

Coatings first were developed for cereal seeds in the 1930's by Germains, a British seed company. Large scale commercial use of coating began in the 1960's with precision sowing for the European greenhouse transplant industry. When California outlawed the short handled hoe in the mid 1970's, the use of coated seed for precision field seeders increased.