Bolivie (1) République de Madagascar (1) Uru language (1) Tillage (1) Sowing (1) Sound recordings (1) Soils, Salts in (1) Soils--Sampling (1) Soils (1) Soil fertility (1) Sieges (1) Salinity (1) Research (1) Quinoa (1) Production (Economic theory) (1) Phosphorus (1) Onions (1) No-tillage (1) Matter (1) Machinery (1) Shingles (Disease) (1) Franks (1) Fertility (1) Farm mechanization (1) Families (1) Diagnosis (1) Chipaya language (1) Carrots (1) Agricultural productivity (1) Disabilities (1)