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

Table 8.3
Net Yields per Hectare for Five Crops - Monocrops and Polycrops Compared (both failed and productive fields), 1986 and 1987 harvests combined

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Cropping Potato
(kg/ha)		 Oca
(kg/ha)		 Illaco
(kg/ha)		 Isaño
(kg/ha)		 Habas
(kg/ha)

Monocrop

N 239 127 19 0 106
Mean 8576 8488 5156 -- 1250
S.D. 7351 7836 4910 -- 1358

Polycrop

N 1 29 23 9 11
Mean 2681 7310 6398 6892 316
S.D. -- 7968 6673 8216 409

T-Stat -- 0.7282 -0.6740 -- 5.1701
Sig. -- 0.4676 0.5042 -- 0.00011