Oregon agriculture’s roller coaster ride this past decade is reflected in a close look at the numbers for each of the state’s top ten commodities. Some are trending up, some our trending down. Bruce Pokarney, with the Oregon Department of Agriculture lists Oregon's top ranked agricultural commodities by value of production. "The top ten Oregon ag commodities, in order, are greenhouse and nursery, cattle and calves, hay, wheat, milk, grass seed, potatoes, onions, Christmas trees, and cherries."  Still at number one is greenhouse and nursery products valued at $667 million. But this sector has dropped 36% since its high water mark of more than a billion dollars in 2007.  Overall, the value of Oregon's agricultural production stands at $4.4 billion.