Managing Soil Organic Matter under Dryland Farming Systems for Climate Change Adaptation and Sustaining Agriculture Productivity

Le résumé fourni par la source

Soil erosion and land degradation are led by frequent floods and droughts which are the prime reasons of low productivity in land areas. Poor soil conservation practices, lack of technology transfer, and low-yielding crop varieties are further degrading soil fertility status of land under rainfed farming. In general, crops grown on rainfed soils are highly prone to drought stress and multi-nutrient deficiencies, because these are coarse-textured soils of low water and nutrient retention capacity, low soil organic matter (SOM) content with less aggregate stability. Mono-cropping of staple crops and mining of essential nutrients from soil have caused nutrient imbalance and deterioration of soil quality. Degrading soils, accelerating soil erosion, depleting soil fertility, decreasing soil moisture-holding capacity, depleting ground water table, and increasing multiple nutrient deficiencies lead to low crop yields and perpetuate rural poverty.

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