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Soil Health Management Practices for Higher Crop Productivity


Dr. P. Madhavi, Dr. Ch. Pallavi, Dr. D. Swetha, Dr. Dr. A. Srinivas
Pages: 45-62
ISBN: 978-93-5834-815-6


Latest Trends in Agriculture Sciences (Volume -7)

Latest Trends in Agriculture Sciences
(Volume - 7)

Abstract

Soil is a vital natural resource that provides water, nutrients, and mechanical support for plant growth. Soil is constantly manipulated in an agroecosystem as a result of input addition, nutrient removal, changing water balance, and microbial activity. These processes have an impact on soil properties (physical, chemical, and biological), and the deviation from normal status is governed by soil buffering capacity and resilience. If these changes exceed the capacity of soil resilience, the soil loses its original state, resulting in soil degradation. The world's degraded area currently ranges between 1,036 and 1,470 million hectares. On the other hand, global food systems face a number of challenges, including reducing environmental impact, adapting to changing climate, increasing yields, and maintaining and/or improving crop nutrition quality. Soil health management techniques offer promising solutions for mitigating environmental impacts and potentially increasing economic returns. This emphasizes the importance of maintaining soil health rather than simply adding inputs for crop production. To keep soil healthy, it is necessary to maintain its physical, chemical, and biological properties, which can be accomplished by using various agronomic approaches. Diversification of nutrient sources, with a focus on organic sources, adoption of conservation agriculture principles, enhancement of soil microbial diversity, efficient resource recycling via the integrated farming system, and amendment addition to correct soil reactions are all potential options for improving soil health. Agro-techniques such as green and brown manuring in arable land, as well as agroforestry on degraded and marginal land, were implemented piecemeal and for economic gain. The potential of these and other soil-maintenance options must be recognized, evaluated, and quantified before they can be widely applied in soil health management. Crop residue, agro-industrial waste, and untreated mineral or industrial waste (basic slag, phosphogypsum, etc.) can be used as soil amendments to maintain healthy soil while also providing crop nutrition. Furthermore, rather than simply applying manures and fertilizers to crops, emphasis is placed on innovative soil health management approaches.

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