Arid Eco‐Region and Dryland Soil Health

Le résumé fourni par la source

This chapter presents some technological solutions and policy measures to holistically address soil and nutrient-related constraints in arid and semi-arid drylands in India. Drought reduced the percentage of nitrogen and phosphorus, suggesting that it hindered nutrient uptake rather than growth. Land degradation is a significant issue in arid and semiarid regions. Climate change is the most serious threat, affecting the environment, economy, and society in a variety of ways. Soil and climatic factors are the main issues limiting high productivity levels of rainfed crops grown by resource-poor farmers. Thus, the yield gaps between potential, on-station farm yields and adopted crop management practices are high. Need-based fertilizer application is a system in which the amount and type of fertilizer applications to the soils and/or plants is based on soil testing.

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