John Deere combine harvesters sit on display during the Farm Progress Show in Boone, Iowa, U.S., on Tuesday, Aug. 28, 2018.Daniel Acker | Bloomberg | Getty ImagesDeere missed earnings expectations for its fiscal third quarter and lowered its guidance for the full year on Friday, saying farmers were delaying purchases because of uncertainty around the trade war.The equipment company reported adjusted earnings of $2.71 per share on $8.97 billion in revenue. Analysts expected $2.85 in earnings per share and $9.39 billion in revenue, according to Refinitiv.The stock was already down 13% this month before the earnings report. It rose 3.7% Friday.”The guidance cut wasn’t too bad, and then Deere also announced that they think they can bring their margins up sort of structurally … so they have a plan for the future that’s pretty good,” Rob Wertheimer of Melius Research said on CNBC’s “Squawk Box” after the earnings announcement.The company lowered guidance for the second consecutive quarter, saying it expects a 4% increase in sales and $3.2 billion in net income for the year. In May, the company said it expected a 5% increase in sales and net income of $3.3 billion.”John Deere’s third-quarter results reflected the high degree of uncertainty that continues to overshadow the agricultural sector,” Samuel Allen, chairman and chief executive officer, said in a statement. “Concerns about export-market access, near-term demand for commodities such as soybeans, and overall crop conditions, have caused many farmers to postpone major equipment purchases.””At the same time, general economic conditions remain positive and are contributing to strong results for Deere’s construction and forestry business,” Allen said.The trade war between the U.S. and China has pressured Deere from multiple directions. The company is sensitive to steel prices for production costs and sells products to farmers, whose crops exports are facing uncertain demand from China.Equipment sales declined 3% compared with the same quarter last year. The decline was due mainly to the company’s agriculture and turf segment, which saw sales decline 6%.On Monday, the U.S. Department of Agriculture projected corn production to be 13.9 billion bushels for the 2019/20 crop year, an increase of 26 million from its July projection.Shares of Deere fell more than 4% on Monday following the release of USDA’s updated projections. Corn futures also dropped.Fellow machinery manufacturer Caterpillar also missed earnings and revenue estimates last month and lowered its full-year earnings guidance.