Hydroponic farm construction · Tamil Nadu

Hydroponic Farm Construction in Polur

Monthly climate, crop windows and nearby markets for a hydroponic farm in Polur, with Fan & Pad for greens, natural ventilation for vine crops.

Sudhir Devkar, founder of Kryzen Biotech

By Sudhir Devkar, Founder & CEO, Kryzen Biotech

Updated · 5 min read

Hydroponic farm construction in Polur: nFT flatbed hydroponic farm with lettuce, built by Kryzen

Planning hydroponic farm construction in Polur? Polur is a small town in Tiruvannamalai district, Tamil Nadu, home to about 28,000 people (GeoNames)[1][2], about 140 km from Chennai. We have used the monthly climate for Polur to plan a structure, a growing system and a crop calendar, so you can compare them with your own plot and buyers.

Climate for hydroponic farm construction in Polur

April is the hottest month in Polur, with average daily highs of about 38°C. January has the coolest nights, averaging 17°C.[3] The area gets about 1,098 mm of rain a year, most of it in August to November, peaking in November at about 223 mm. Average humidity stays at 75% or more in September to January, which raises the risk of leaf disease and slows evaporative cooling. Polur sits about 171 m above sea level.[2] On the Köppen–Geiger climate map, Polur falls in the tropical savanna (dry winter) zone (Aw).[4]

Polur climate by month

MonthAvg high (°C)Avg low (°C)Humidity (%)Rain (mm)
Jan28.717.17814
Feb32.018.0708
Mar36.020.96217
Apr37.724.06033
May37.225.76071
Jun35.324.96166
Jul34.424.16497
Aug33.523.569123
Sep32.123.176141
Oct30.322.481212
Nov28.220.485223
Dec27.418.48493
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Polur. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[3]

Which greenhouse suits Polur?

For hydroponic farm construction in Polur, the structure decides which months you can crop and what it costs to run. Average highs stay at 33°C or more in March to August, with moderate humidity of about 63%. In that dry air, wet pads can bring a 38°C April afternoon down to roughly 33°C inside a Fan & Pad polyhouse, which keeps herbs and vine crops going; lettuce will still struggle in the hottest weeks. Capsicum, cucumber and tomato do well in a naturally ventilated polyhouse with a shade screen. If you want one structure, decide by crop: greens all year point to Fan & Pad; vine crops point to a naturally ventilated house.

Protected structures to compare

Plan for heavy rain in November (about 223 mm): raise the plinth, size the gutters for that month and keep drains away from the nutrient tank. Sunlight peaks in April at about 6.6 kWh per m² a day, so add a shade screen for leafy greens in the brightest months. A nethouse, the lowest-cost option, can grow hardy crops in December to February, when it is mild and fairly dry.

Hydroponic crops for Polur

Based on Polur's climate, the crops with the longest growing windows are basil (all year), mint (all year) and cucumber (all year). Basil fits all year with Fan & Pad cooling. Strawberry is hard to time here, so we would leave it out of the first season. These are the crops we would plan first for hydroponic farm construction in Polur.

Months each crop suits in Polur

CropNaturally ventilated polyhouseWith Fan & Pad cooling
LettuceDecSep–Feb
SpinachDecSep–Feb
CorianderNov–JanJun–Mar
ParsleyDecSep–Feb
BasilAug–FebAll year
MintOct–FebAll year
CucumberAug–FebAll year
TomatoOct–JanJun–Apr
CapsicumOct–JanAll year
StrawberryDifficultDifficult
Kryzen planning estimate from the monthly averages above and each crop's usual day and night temperature range. Variety, nutrient temperature and shading change the result, so confirm with a trial.

Hydroponic systems for these crops

Suggested crops for Polur

Selling your harvest in and around Polur

28,000People in Polur (GeoNames)[1]
₹8,325Spending per person per month, urban Tamil Nadu, 2023–24[5]
140 kmto Chennai, the nearest metro (straight line)

Urban households in Tamil Nadu spent an average of ₹8,325 per person per month in 2023–24, above the all-India urban average of ₹7,078.[5] Local demand in Polur may be small for exotic greens, so plan where the rest of the harvest goes. Vellore, about 50 km away, is the nearest larger market on our list. For premium salad and herb buyers, Chennai is within a day's delivery, about 140 km away.

Hydroponic farm construction in Polur with Kryzen

We have built 9 projects in Tamil Nadu so far (see our project map (opens in a new tab)). Polur is about 820 km in a straight line from our factory and master warehouse at Degaon, Wai (Satara), our nearest site.

Towns near Polur

We also plan and build farms in these towns near Polur:

Map of Tamil Nadu

Check other locations in Tamil Nadu

We have farm planning pages for 121 towns in Tamil Nadu, each with its own climate, crops and market notes.

All Tamil Nadu locations

Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.

Hydroponic farm construction in Polur: FAQs

Can a hydroponic farm run all year in Polur?

Yes, with the right structure. For Polur we would plan Fan & Pad cooling for leafy greens and a naturally ventilated polyhouse for vine crops. Even then, lettuce is hard to grow in March to August, so plan another crop for those months.

Which polyhouse is best for Polur?

With April highs of about 38°C and 60% average humidity in that month, we would start with Fan & Pad cooling for leafy greens and a naturally ventilated polyhouse for vine crops.

Which hydroponic crops should I start with in Polur?

Going by the monthly climate, basil, mint and cucumber have the longest growing windows. Confirm prices and volumes with buyers before you plant.

Does Kryzen build hydroponic farms in Polur?

Yes. Our nearest site is our factory and master warehouse at Degaon, Wai (Satara), about 820 km away, and we have built 9 projects in Tamil Nadu.

Is there a subsidy for polyhouse or hydroponic farms in Tamil Nadu?

Yes. Protected cultivation projects in Tamil Nadu can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department. Check the current rate and area limit when you apply.

Discuss your Polur farm project

Share your plot location, water test and crop targets. We will suggest the right structure and growing system, and send an itemised quotation.

Sudhir Devkar

Sudhir Devkar

Founder & CEO, Kryzen Biotech

A computer engineer turned hydroponic farmer from a multigenerational farming family in Satara. Sudhir founded Kryzen in 2019, and the team has since built 350+ protected and hydroponic farms across India.

Sources

  1. GeoNames · Geographical database: populated places of India (opens in a new tab)
  2. Wikipedia · Polur (opens in a new tab)
  3. NASA Langley Research Center · POWER Climatology API: long-term monthly averages (opens in a new tab)
  4. Rubel & Kottek, University of Veterinary Medicine Vienna · World map of the Köppen–Geiger climate classification (opens in a new tab)
  5. Ministry of Statistics and Programme Implementation (MoSPI) · Household Consumption Expenditure Survey 2023–24: press note (opens in a new tab)