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  • When Heavy Rains Drain the Soil: A Growing Threat to Mango and Cashew Farmers

    Mar 29th, 2026

    India’s agriculture, long dependent on the monsoon for sustenance and growth, is now facing a paradox where excessive rainfall is quietly eroding the very foundation of farm productivity soil health. Emerging evidence from coastal regions such as the Konkan belt in Maharashtra, Karnataka’s coastal districts, and Goa highlights a growing crisis of nutrient depletion driven by heavy rains and compounded by climate variability. Findings from the Indian Council of Agricultural Research and state governments reveal that intense rainfall between June and September leads to severe leaching of essential nutrients such as nitrogen, calcium, magnesium and potassium. Light-textured soils in these regions are particularly vulnerable, allowing nutrients to be washed away rapidly, leaving crops starved of critical inputs. As a result, crops like mango and cashew key to the region’s horticultural economy—are witnessing declining yields and weakening resilience. What makes this crisis more alarming is its link to climate change . Increasingly erratic rainfall patterns, marked by short bursts of intense precipitation, are accelerating leaching and erosion . This not only strips soils of nutrients but also reduces their capacity to retain moisture, undermining long-term productivity . In several regions, recent field reports indicate sharp declines in output, pointing to a dangerous intersection of climate stress and deteriorating soil conditions. At the core of the problem lies a broader soil health crisis that has not received adequate policy attention. While India has made strides in boosting foodgrain production, the focus on fertiliser use has often overlooked the importance of balanced nutrient application, particularly micronutrients like zinc. ICAR studies underline that nitrogen levels remain low in a majority of soils, while deficiencies of calcium , magnesium and micronutrients continue to constrain yields. To its credit, the government has rolled out several schemes aimed at addressing these concerns. Programmes under the Mission for Integrated Development of Horticulture and the Rashtriya Krishi Vikas Yojana promote nutrient management, soil testing and capacity-building. Initiatives such as the Integrated Nutrient Management Programme seek to encourage scientific fertiliser use. However, the gap between policy design and field-level implementation remains stark. Farmers often lack access to timely soil testing, awareness about micronutrient deficiencies, and affordable advanced inputs. While innovations like nano-urea and multi-nutrient foliar sprays are being promoted through Krishi Vigyan Kendras and agricultural universities, the absence of targeted subsidy support limits their widespread adoption. Without adequate incentives, the transition to improved technology remains slow. The real challenge, therefore, is not the absence of schemes but their effective delivery. Bridging the last-mile gap requires stronger extension systems, localised advisories, and sustained farmer engagement. It also calls for a shift in policy thinking from maximising short-term output to ensuring long-term sustainability of soils. India’s agricultural future depends not just on the monsoon, but on the health of its soils. If current trends continue, the silent depletion of nutrients could evolve into a full-blown crisis, threatening both farmer incomes and food security. Addressing this requires a holistic approach that integrates climate resilience, balanced fertilisation, and robust institutional support. As Minister of State for Agriculture and Farmers Welfare Ramnath Thakur recently noted in the Rajya Sabha, nutrient loss in high rainfall regions is a persistent concern. The warning is clear: unless India places soil at the centre of its agricultural strategy, the gains of past decades may slowly be washed away.


    Source: https://tmv.in/
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