Cultivating Diversity: Field Scattering as Agricultural Risk Management in Cuyo Cuyo, Department of Puno, Peru

Table 9.8
Reduction in variance for potato fields of Puna Ayllu study families

(page 332)

  L M N O P Q R S T Average Reduction Count
Total-cv* 49.4 60.0 53.6 74.4 55.3 78.1 52.9 104.4 56.7 65.0 9
n = 2 cv 54.8% 63.3% 57.7% 62.4% 62.4% 62.3% 59.8% 57.7% 65.1% 60.6% 9
n = 3 cv 33.4% 47.4% 38.5% 46.1% 46.1% 46.1% 41.9% 38.5% 50.1% 43.1% 9
n = 4 cv   37.4% 25.0% 35.6% 35.6% 35.6% 29.9% 25.0% 40.9% 33.1% 8
n = 5 cv   29.9%   27.6% 27.6% 27.6% 20.0%   34.2% 27.8% 6
n = 6 cv   23.7%   20.8% 20.8% 20.8%     28.9% 23.0% 5
n = 7 cv   18.1%   14.3% 14.3% 14.3%     24.4% 17.1% 5
n = 8 cv   12.5%             20.4% 16.5% 2
n = 9 cv                 16.7% 16.7% 1
n = 10 cv                 13.0% 13.0% 1
n = 11 cv                 9.1% 9.1% 1
n = 12 cv                      

* Numbers in this row are the actual coefficient of variation calculated. Values in subsequent rows are the percentage reduction relative to this number.