... in money and in kind, of income and expenses, loans and repayments, economic and social activities, movements of food stocks, the availability of food for the family, and the family's ... the climate, nature, germination and flowering and animal behaviour and for their social and economic life. Scientists, in their laboratories and their offices, have another ... traditional and modern rural structures on the dynamics of development. 390 Thierno Aliou Ba and Bernard Crousse of niébé beans, maize, and a number of fodder plants and vegetables....