Can Smart Seed Coating Help Farmers Protect Crops From Climate Stress?

Seeds are the first point where a crop faces heat, drought, pests and poor soil conditions. A new Smart Seed Coating Technology developed by ICAR-Indian Institute of Oilseeds Research aims to protect seeds during this vulnerable stage while delivering nutrients and beneficial microorganisms directly around the seed.

Developed at ICAR-IIOR, Hyderabad, the technology uses biodegradable biopolymer materials to create a protective coating around seeds. The coating can carry beneficial microbes, nutrients, micronutrients, crop protection agents and plant growth-promoting compounds, creating a targeted treatment at the seed-soil interface.

Field demonstrations in Telangana showed nearly 30% higher yields in groundnut and soybean compared with conventional farmer practices. Multi-location trials across soybean, maize, groundnut, chickpea, cotton, mustard and pigeon pea also recorded productivity gains ranging from 12% to 37% over untreated controls.

Poor germination or weak seedlings can reduce the final crop stand before farmers have a chance to correct the problem. This becomes more serious in rainfed areas, where delayed rainfall, dry spells and poor soil moisture can leave newly planted seeds exposed to stress during early growth.

The Smart Seed coating is designed to create a protective microenvironment around the seed. According to ICAR, this can support faster germination, stronger seedlings and better root development. The approach is meant to help crops establish more reliably when early-season conditions are difficult.

Unlike a conventional treatment designed for one purpose, the ICAR-IIOR technology can combine several inputs in one coating. This means nutrients, biological agents and crop-protection materials can be delivered close to the seed rather than applied broadly across the field.

How Farmers Could Benefit

Better establishment can improve the number of healthy plants in a field. When more seeds germinate and seedlings survive, farmers can achieve a more uniform crop stand. This can support later crop management because plants have greater chances of developing evenly across the field.

The technology may be especially useful for rainfed farming. ICAR says rainfed agriculture covers a major share of India’s cultivated area and remains exposed to delayed monsoons, intermittent droughts, moisture stress, poor soils, pests and diseases. Stronger early growth can reduce some of these risks.

Farmers could also benefit from more targeted use of inputs. Because the coating carries materials directly around the seed, the technology aims to improve nutrient and biological use efficiency. This does not mean farmers can remove all other inputs, since crop requirements still depend on soil and growing conditions.

ICAR-IIOR says the platform can be adapted for cereals, millets, pulses, oilseeds, fibre crops, fodder crops, vegetables, spices and horticultural crops. This makes the technology broader than a treatment designed for one crop, although field performance still needs to be assessed for each use.

For oilseed farmers, the reported groundnut and soybean results are particularly relevant. These crops are important for domestic edible-oil production and are often grown under rainfed conditions. Better establishment could help farmers protect yield potential when rainfall and soil moisture are less predictable.

From Research To Farmers

ICAR-IIOR is working with public and private seed systems to move the technology beyond research demonstrations. Potential partners include seed corporations, cooperative seed federations, Farmer Producer Organisations, seed-processing units, seed entrepreneurs and private seed companies involved in production and distribution.

Large-scale adoption will depend on more than yield results. Farmers will also need to know the cost of treated seed, how the coating affects seed storage, where quality-treated seed can be purchased and whether the benefits remain consistent across different soils, climates and farming systems.

The technology is part of a wider push to make seeds more resilient before they enter the field. ICAR has also highlighted climate-resilient varieties, biological inputs, integrated pest management and agricultural mechanisation as areas where research needs to reach farmers more effectively.

Farmers will also need reliable access to quality seed if such technologies are to reach fields at scale. Seed companies, Farmer Producer Organisations, seed-processing units and government seed agencies could help make enhanced planting material available through established distribution networks.

For farmers, Smart Seed technology should be viewed as a potential tool rather than a replacement for good farm management. Soil testing, suitable varieties, timely sowing, moisture conservation and pest monitoring will remain important. If affordable and consistent, stronger seed establishment could become another layer of climate resilience.