By Jonathan O’Callaghan from NYT Science https://ift.tt/cS8ridg via IFTTT
California's air quality regulations help farmers prosper
Study of 35-year period shows marked increase in production of perennial crops
More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=300234&WT.mc_id=USNSF_1
This is a Research News item.
Read more at nsf.gov
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