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Seeds, Crops & Cultivation

Hydroponics Farming: How It Works, Costs to Consider and Best Crops

Hydroponics grows plants without soil, with roots in water or an inert medium that receives a balanced nutrient solution. It uses much less water than soil farming and gives clean produce, but setup costs and technical skill are higher.

Last reviewed: 7 November 2026

Common systems

  • NFT (nutrient film technique): a thin film of nutrient solution flows over roots in channels; popular for leafy greens.
  • DWC (deep water culture): roots hang in aerated nutrient solution.
  • Drip or media beds: plants grow in cocopeat or similar media with drip-fed nutrients; suits tomato, cucumber and capsicum.

What to manage

  • Nutrient solution pH (most crops do well around pH 5.5–6.5) and EC (strength).
  • Water quality, temperature and power backup for pumps.
  • Hygiene, because diseases can spread quickly through shared water.

Is it right for you?

Hydroponics works best close to city buyers who pay for clean, consistent produce such as lettuce, herbs and exotic greens. Start small, get training, and calculate electricity and nutrient costs before scaling. Protected cultivation support under horticulture schemes is mainly for polyhouses and shade nets; check with your state horticulture department.

Official source

Check the latest rules, benefits and forms here. KisanPe is an independent platform and is not a government website.

MIDH (Govt of India) ↗

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Common questions

Which crops grow best in hydroponics?

Leafy greens (lettuce, spinach), herbs (basil, mint) and vine crops like tomato and cucumber in media systems.

Does hydroponics need electricity?

Most systems need pumps and sometimes aeration and cooling, so plan for power and backup.

Is there a subsidy for hydroponics?

Support varies by state; protected cultivation (polyhouse, shade net) is covered under MIDH. Ask your state horticulture department.

General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.

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