 | 326 páginas
Economic policies may support development projects , but in ways that cannot be sustained . For example , the reliance on a technological package requiring the heavy use of chemical fertilizer may not be sustainable in a country in ... | |
 | 250 páginas
Economic policies may support development projects , but in ways that cannot be sustained . For example , the reliance on a technological package requiring the heavy use of chemical fertilizer may not be sustainable in a country in ... | |
 | 38 páginas
other sources than chemicals , e.g. organic fertilizers , solar energy , biomass energy , and others ( Ramsay , 1985 ) . ... 1989 ) as they influence the relative prices of agricultural goods and the prices of all agricultural products ... | |
 | 72 páginas
Food sales hurting Single mothers told The Gleaner it was becoming extremely difficult to provide nutritional meals to school-age children as food prices increase and salaries remain constant. According to Charlene Powell, mother of two ... | |
 | Ernesto Viglizzo, Juan P. Puignau - 1997 - 92 páginas
INFORMATION TECHNOLOGY AS A SUPPORT FOR SUSTAINABLE LAND USE STRATEGIES Figure 2. ... Explanantion : agricultural production becomes ever more efficient and surplusses and price support policies in Europe are a high financial burden . | |
| |