SARE » Products » Systems Research for Agriculture » Chapter Three: Planning Interdisciplinary Agricultural Systems Research » Experimental Design Using Simulated Agricultural Systems » Long-Term Experiments Systems Research for Agriculture Long-Term Experiments SARE Outreach Laurie E. Drinkwater, Diana Friedman, Louise Buck | 2016 | 96 pages PDF (1.8 MB) Order in Print $20.00 or call (301) 779-1007 to order.