Key Agricultural Inputs for Productivity: Water, Seeds, and Fertilizers in India

Agricultural productivity is a delicate balance of nature and human intervention. When we think about farming, we often picture vast fields and hardworking farmers, but beneath this simple image lies a complex ecosystem of inputs that determine success or failure. In India, where agriculture sustains over half the population and contributes significantly to the economy, three fundamental inputs-water, seeds, and fertilizers-form the backbone of agricultural productivity. Understanding how these inputs work together, and how government initiatives support their availability, reveals the true story of India’s journey toward food security.

The critical role of irrigation in Indian agriculture 🔗

Water is life, and nowhere is this more evident than in agriculture. While monsoon rains have traditionally sustained Indian farming, their unpredictability has always posed challenges. Imagine a farmer who has prepared the land, sown seeds, and invested time and money, only to watch crops wither because the rains arrived late or not at all. This is where irrigation steps in as a game-changer.

Irrigation transforms agriculture from a gamble with nature into a calculated enterprise. When farmers have access to reliable water sources, they can plan multiple cropping seasons, grow water-intensive crops, and achieve significantly higher yields. The difference is stark: irrigated land typically produces two to three times more than rain-fed areas.

Government schemes expanding irrigation coverage 🔗

Recognizing irrigation’s transformative potential, the Indian government has launched several initiatives to expand irrigation infrastructure across the country. The Accelerated Irrigation Benefit Programme (AIBP), launched to expedite completion of ongoing irrigation projects, has been instrumental in creating millions of hectares of irrigation potential. This program focuses on completing major, medium, and minor irrigation projects that had been languishing due to funding constraints.

Working alongside AIBP, the Rural Infrastructure Development Fund (RIDF), managed by NABARD, provides financial support for irrigation infrastructure in rural areas. Since its inception, RIDF has funded hundreds of thousands of projects, helping states build the irrigation systems that farmers desperately need. The fund particularly targets minor irrigation schemes that benefit small and marginal farmers who might otherwise be excluded from large-scale projects.

The Pradhan Mantri Krishi Sinchayee Yojana (PMKSY), launched with the motto “Har Khet Ko Paani” (water to every field), represents a comprehensive approach to irrigation development. This umbrella scheme brings together various irrigation initiatives under one framework, focusing not just on creating irrigation potential but also on improving water use efficiency through micro-irrigation techniques like drip and sprinkler systems.

Seeds: The foundation of agricultural transformation 🔗

If water is the lifeblood of agriculture, seeds are its DNA. The quality of seeds planted determines everything that follows-the vigor of plants, their resistance to pests and diseases, their response to fertilizers, and ultimately, the harvest. This is why the introduction of high-yielding varieties (HYVs) marked a turning point in Indian agriculture.

The revolution of high-yielding varieties 🔗

High-yielding varieties represent years of careful breeding and selection to develop seeds that produce more grain per plant, mature faster, and respond better to inputs like fertilizers and irrigation. Think of them as the difference between a regular car and a high-performance vehicle-both serve the same basic purpose, but one does it far more efficiently.

The impact has been remarkable. Since 2014, the Indian Council of Agricultural Research (ICAR) has released 1,956 high-yielding stress-tolerant varieties, of which 1,622 are climate-resilient. These varieties are designed not just for high yields but also to withstand the challenges of drought, floods, salinity, and heat stress that are becoming increasingly common with climate change.

Consider the journey of a wheat farmer in Punjab. Decades ago, traditional wheat varieties might have yielded 10-12 quintals per hectare. Today, with high-yielding varieties and proper management, the same land can produce 40-50 quintals per hectare-a four-fold increase that has transformed both food security and farmer prosperity.

Ensuring seed quality and availability 🔗

Developing superior seed varieties is only half the battle; ensuring farmers have access to quality seeds is equally crucial. This is where the National Seeds Corporation (NSC), established in 1963, plays a vital role. NSC operates a network of farms and works with registered seed growers across the country to produce and distribute certified seeds of nearly 621 varieties covering 80 crops.

The Seed Village Program represents another innovative approach, where entire villages are designated for seed production under expert supervision. This decentralizes seed production, ensures better quality control through community involvement, and creates additional income opportunities for farmers who participate in seed multiplication programs.

Fertilizers: Nourishing the soil, feeding the nation 🔗

Even the best seeds and adequate water cannot compensate for depleted soil nutrients. Fertilizers replenish what crops extract from the soil, enabling sustained high productivity. However, fertilizer use is a delicate science-too little leads to poor yields, while too much or imbalanced application can damage soil health and the environment.

The science of balanced nutrition 🔗

Plants need multiple nutrients in specific proportions, much like humans need a balanced diet. The three primary nutrients-nitrogen (N), phosphorus (P), and potassium (K)-are required in relatively large quantities, while secondary and micronutrients are needed in smaller amounts but are equally essential. The ideal NPK ratio is recommended at 4:2:1, but India’s actual usage pattern has been skewed, with excessive nitrogen use compared to phosphorus and potassium.

This imbalance creates problems. Excessive nitrogen application, while initially boosting green growth, can lead to lodging (plants falling over), increased pest susceptibility, and groundwater pollution. Meanwhile, phosphorus and potassium deficiencies limit the full potential of crops to utilize available nitrogen efficiently.

Government measures promoting balanced fertilization 🔗

Recognizing these challenges, the government introduced the Nutrient Based Subsidy (NBS) Scheme in 2010. Unlike the earlier system where subsidies were product-based, NBS provides subsidies based on the nutrient content of fertilizers. This incentivizes manufacturers to produce balanced fertilizers and encourages farmers to use phosphorus and potassium fertilizers more liberally.

The Soil Health Card Scheme, launched in 2015, takes personalization a step further by providing farmers with specific nutrient recommendations based on soil testing. Imagine visiting a doctor who prescribes medicine without examining you-that’s what blanket fertilizer recommendations do. Soil health cards give farmers a “health report” of their soil, enabling precise fertilization that improves productivity while reducing waste.

The government has also promoted customized fertilizers tailored to specific crops and regions. These formulations provide nutrients in proportions that match crop requirements and local soil conditions, moving away from the one-size-fits-all approach. Additionally, the mandatory neem coating of urea, introduced in 2015, slows nitrogen release, improving efficiency and reducing losses through volatilization and leaching.

The synergy of integrated input management 🔗

The true power of agricultural inputs emerges when they work in harmony. Seeds with high genetic potential require adequate water to express their traits fully. Both seeds and water need proper nutrition through fertilizers to achieve maximum productivity. This synergy explains why the Green Revolution succeeded-it wasn’t just about seeds or water or fertilizers in isolation, but about bringing all three together with proper management practices.

Consider a farmer in Haryana growing rice. With traditional varieties, limited irrigation, and minimal fertilizer use, yields might reach 20 quintals per hectare. Introduce a high-yielding variety and yields might increase to 25 quintals. Add assured irrigation and yields could climb to 35 quintals. Apply balanced fertilization and yields could reach 50 quintals or more. Each input multiplies the effect of others, creating exponential rather than additive benefits.

However, this synergy requires knowledge and resources. Government extension services, farmer training programs, and agricultural universities play crucial roles in helping farmers understand and implement integrated input management. The challenge is ensuring these support systems reach every farmer, especially small and marginal farmers who constitute the majority.

Challenges and the path forward 🔗

Despite significant progress, challenges remain. Irrigation coverage still reaches only about 50% of cultivated land, leaving vast areas dependent on erratic rainfall. Seed replacement rates-the proportion of area sown with certified seeds-remain below optimal levels for many crops, with farmers often saving and reusing seeds for multiple seasons, leading to genetic deterioration.

Fertilizer use, while improving, still shows regional and nutrient imbalances. Some regions overuse fertilizers, particularly nitrogen, while others remain underutilized. The high cost of phosphatic and potassic fertilizers, despite subsidies, sometimes discourages their adequate application.

The path forward involves continuing investment in irrigation infrastructure, particularly water-efficient technologies like drip and sprinkler systems that can stretch limited water resources. Seed systems need strengthening through better linkages between research institutions, seed production agencies, and farmers. Fertilizer policies must continue evolving to encourage balanced nutrition while ensuring affordability and promoting organic alternatives that improve long-term soil health.

Climate change adds another layer of complexity, requiring development of varieties that can withstand increasingly variable weather patterns, along with irrigation systems that adapt to changing water availability and fertilization practices that maintain productivity on stressed soils.

What do you think? How can India ensure that innovations in agricultural inputs reach small farmers who need them most? What role should traditional farming wisdom play alongside modern scientific approaches to water, seed, and nutrient management?

References

1. https://www.civilsdaily.com/story/irrigation-in-india/
2. https://www.nabard.org/hindi/auth/writereaddata/File/handbook-on-ridf.pdf
3. https://www.pib.gov.in/Pressreleaseshare.aspx?PRID=1845109
4. https://www.accesstoseeds.org/index/south-southeast-asia/company-scorecards/national-seeds-corporation/
5. https://www.drishtiias.com/daily-updates/daily-news-analysis/nutrient-based-subsidynbs-scheme