Soil health, water availability and suitable climatic conditions are essential prerequisites for agricultural activities. Activities such as intensive farming, excessive soil disturbance, the decrease in the amount of organic matter and poor use of agricultural inputs may result in soil deterioration and disruption of the functions of ecosystems. Regenerative agriculture is an agricultural approach aimed at improving soil health and productivity along with productive agriculture. Regenerative agriculture encourages agricultural practices such as reducing soil disturbances, crop rotations, planting cover crops, the use of organic matter and diverse crops. With increased soil health, regenerative agriculture can promote sustainable agriculture.
Soil Health Improvement:
Soil health is one of the central concepts of regenerative agriculture. Soil health provides for the proper growth of plants, soil nutrient and water retention and creates conditions for beneficial organisms. Increased soil health can also increase the resistance of agricultural land to various types of stress.
Soil disturbance minimization:
Over tilling can cause soil disturbance and loss of soil organic matter. In regenerative agriculture, it is recommended that tillage be minimized wherever possible in the farming operation. Minimal soil disturbance will help in protection of soil aggregate, minimal soil erosion risk and provide favorable soil organism habitat. However, the degree of tillage required will depend on the crop cultivated and the soil conditions.
Cover Crops:
Cover crops are planted in order to improve and protect the soil quality but not for harvest. Crops such as leguminous plants, grasses and other crops which are suitable for the farming operation are grown as cover crops whenever there are no agricultural activities going on. The cover crops act as protectors of the soil against erosion and will add to the soil through residues or incorporation. The leguminous crops grown as cover crops help fix nitrogen in the farming operation.
Importance of Crop Rotation:
Growing the same kind of plants over and over again can result in nutrient imbalance as well as invite some pests or other kinds of infections. In crop rotation, different kinds of plants are grown in the field in sequential order throughout the year. This practice might help in increasing nutrient cycling, disrupting the pests and disease cycle as well as increasing biological diversity in the field.
Adding Organic Materials to the Soil:
Organic materials play a key role in maintaining healthy soil structure and nutrient cycling. Use of regenerative agricultural practices like leaving the residues of crop, adding manure or compost and cover crops may increase organic material in the soil.
Soil Biological Diversity:
The healthy soil has to be filled with different kinds of living things such as bacteria, fungi, earthworms and so on. Their role is connected with decomposition, soil creation and nutrients cycling. In regeneration agriculture the focus is on creating the environment that provides biological diversity of organisms in the soil due to minimal disturbance and planting of vegetation and organic materials in the soil. These soils can help the whole system of agroecology.
Water Management Improvement:
Good soils with the proper structure and rich with organic matter can improve the capacity of soil for infiltration and moisture retention. With the use of methods of soil covering and minimal disturbances, regeneration agriculture can help prevent soil erosion and runoff caused by heavy rains. The capacity of moisture retention can protect plants from periods without any rainfall.
Prevention from Soil Erosion:
Soil erosion leads to the loss of topmost fertile layer of soil and hence affects the productivity of agricultural soils. Maintaining soil cover in the form of living vegetation or dead plant material on the soil surface is the best way to avoid soil erosion through either wind or water action. Cover cropping and reduction in the number of tillage actions can prove to be helpful in soil conservation.
Crop Diversity:
Crop diversity is one of the main components taken into account in regenerative agriculture. Diversification through planting of various kinds of crops, use of cover crops and at times including livestock or trees among crops can be quite effective in enhancing agricultural diversity. Crop diversity will help in maintaining the beneficial organisms and avoiding dependence on monoculture crops.
Possibility of Being Climate Resilient:
Due to climate change, there have been various types of stress which have occurred more frequently and intensely, including heat, drought and heavy rainfall. Practices which improve the quality of the soil, its ability to hold water and biological activity can help increase the resilience of farms against such stresses. Increased levels of soil organic matter can also result in carbon sequestration in the soil. Impacts of regenerative agriculture vary according to agriculture, soil and climate itself.
Regenerative Agriculture as an Approach to Farming:
The concept of regenerative agriculture is an approach to farming rather than one specific agricultural technique that incorporates various techniques. The efficiency of regenerative agriculture depends on various factors such as the soil, weather, crops being cultivated, as well as available resources in general. It takes time for regenerative agriculture to show its effectiveness, but it may be very useful.
Conclusion:
Regenerative agriculture approach can serve as a good long-term solution for improving agricultural practices in terms of quality and sustainability. The implementation of soil health, crop rotation, minimum tillage, cover crops, organic and water management will enable people to work with the forces of nature, rather than rely only on outside factors. This way, it will become possible to preserve the soil, increase circulation of nutrients and boost biodiversity without sacrificing agricultural productivity. Regenerative agriculture cannot be considered as a universal tool, as agricultural practices need to change according to local soil and weather conditions. Under the right management, regenerative agriculture can turn into one of the key components of sustainable agriculture in the future.
Author
M.Sc (Agriculture) in Agronomy, Centurion University of Technology and Management, Paralakhemundi, Odisha, 761211
B.Sc Agriculture, The Neotia University, South 24 Parganas , West Bengal, 743368
