10. Oregon farmers of apples and pears have been promoted as successful examples of Integrated Pest Management.
11. The IPPC uses scientists from different organisations.
12. Straw mulch experiments produced unplanned benefits.
13. The apple industry is now facing a lot of competition from abroad.
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2016-02-26
2016-02-26
2016-02-26
2016-02-26
2016-02-26
2016-02-26