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

By Carol Goland, 1993.

List of Tables

(page xxi)

Table 7.15 Proportion of Fields in Years 2 - 4 of the estancia rotation receiving application of each fertilizer type (by crop) 262

Table 7.16 ANOVAs for N, P, and K (Kg/Ha) - Estancia Fields in 2nd, 3rd, and 4th Year of the Rotation, by Crop 263

Table 7.17 Sample and Distribution of Fertilization in Maize Fields 266

Table 7.18 Proportion of maize fields receiving application of each fertilizer type 267

Table 7.19 ANOVAs for N, P, AND K (Kg/Ha) Applied for Maize Fields 268

Table 8.1 Net Yields per Hectare for Five Crops, by Community and Year - Monocrops and Polycrops Combined (with statistical comparison of differences between years and community) 272

Table 8.2 Net Yields per Hectare for Four Crops - Community Comparisons for Monocropped Fields Only 275

Table 8.3 Net Yields per Hectare for Five Crops - Monocrops and Polycrops Compared (both failed and productive fields) 277

Table 8.4 Net Yield per Hectare, Puna Ayllu - Estancia and Awi Awi Compared 279

Table 8.5 Average Net Potato Yields (Kg/Ha), for Individual Families (1985-86) 281

Table 8.6 Average Net Potato Yields (Kg/Ha), for Individual Families (1986-87) 282

Table 8.7 Average Net Oca Yields (Kg/Ha), for Individual Families (1985-86) 284

Table 8.8 Average Net Oca Yields (Kg/Ha), for Individual Families (1986-87) 285

Table 8.9 Average Net Habas Yields (Kg/Ha), for Individual Families (1986-87) 287

Table 8.10 Crop Yields in other Andean Communities and Experimental Plots 288

Table 8.11 Crop Yields (Kg) per Day's Work for Five Crops - Monocrops Only 289

Table 8.12 Descriptive Statistics for Dependent and Independent Variables for Analysis of Potato Yields 297

Table 8.13 Pearson Product Moment Correlations of the Independent Variables with Potato Yields 298

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Table 8.14 Correlation Coefficients among Independent Variables used in Regression Analyses for Potato Yields 300

Table 8.15 Regression Coefficients from Stepwise Regression Equations Estimating Potato Yields 303

Table 8.16 Descriptive Statistics for Dependent and Independent Variables for Analysis of Oca Yields 306

Table 8.17 Pearson Product Moment Correlations of the Independent Variables with Oca Yields 307

Table 8.18 Regression Coefficients from Weighted Least Squares Model Estimating Oca Yields 309

Table 8.19 Descriptive Statistics for Dependent and Independent Variables for Analysis of Habas Yields 312

Table 8.20 Pearson Product Moment Correlations of the Independent Variables with Habas Yields 313

Table 8.21 Correlation Coefficients among Independent Variables used in Regression Analyses for Habas Yields 314

Table 9.1 Predicted Caloric Requirements by Age-Sex Cohort 321

Table 9.2 Calories per Hectare Produced by Different Crops 323

Table 9.3 Disaster Threshold for Family B 324

Table 9.4 Annual Caloric Needs for Study Families 326

Table 9.5 Disaster Levels (yld/ha potatoes) Calculated for Study Families 327

Table 9.6 Reduction in Variance for Potato Fields of Family Q (1986-87) 329

Table 9.7 Reduction in Variance for Potato Fields of Ura Ayllu Study Families 331

Table 9.8 Reduction in Variance for Potato Fields of Puna Ayllu Study Families 332

Table 9.9 Frequency of Disaster for Family Q (1986-87) 333

Table 9.10 Frequency of Disaster for Ura Ayllu Study Families (1986-87) 335

Table 9.11 Frequency of Disaster for Puna Ayllu Study Families (1986-87) 336

Table 9.12 Energy Expenditure in Travel to Potato Fields for Family P (1986-87) 342

Table 9.13 Reduction in Net Potato Yields given Travel Costs for Family F (1986-87) 343

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Table 9.14 Percent Reduction in Yield by Families – Summary 345

Table 9.15 Calculation of Net Yields on a Consolidated Field for Family A 347

Table 9.16 Average Reduction due to Travel for Consolidated Fields 349

Table 9.17 Average Reduction due to Travel to Scattered Fields 350

Table 9.18 Costs and Benefits of Scattering 352