Polyhouse farming · West Bengal

Polyhouse Farming in Monoharpur

Monthly climate, crop windows and nearby markets for a polyhouse farm in Monoharpur, with a well-ventilated polyhouse for humid heat.

Sudhir Devkar, founder of Kryzen Biotech

By Sudhir Devkar, Founder & CEO, Kryzen Biotech

Updated · 5 min read

Polyhouse farming in Monoharpur: aerial view of a large protected cultivation farm with polyhouses

Planning polyhouse farming in Monoharpur? Monoharpur is a small town in West Bengal, home to about 23,000 people (GeoNames)[1], about 60 km from Kolkata. We have used the monthly climate for Monoharpur to plan a structure, a growing system and a crop calendar, so you can compare them with your own plot and buyers.

Climate for polyhouse farming in Monoharpur

April is the hottest month in Monoharpur, with average daily highs of about 35°C. January has the coolest nights, averaging 13°C.[2] The area gets about 1,717 mm of rain a year, most of it in May to October, peaking in July at about 364 mm. Average humidity stays at 75% or more in June to October, which raises the risk of leaf disease and slows evaporative cooling. On the Köppen–Geiger climate map, Monoharpur falls in the tropical savanna (dry winter) zone (Aw).[3]

Monoharpur climate by month

MonthAvg high (°C)Avg low (°C)Humidity (%)Rain (mm)
Jan24.612.96614
Feb28.916.96222
Mar33.222.06232
Apr34.925.56855
May34.027.074147
Jun31.727.683248
Jul30.527.087364
Aug30.126.788340
Sep29.926.487287
Oct29.624.280168
Nov27.519.17431
Dec24.614.1719
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Monoharpur. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[2]

Advantages of protected cultivation in Monoharpur

  • Year-round crops

    Under cover, cucumber can be grown for 10 months a year in Monoharpur, so you can supply buyers every week instead of one open-field season.

  • Better yield and price

    Plants grow without rain, hail and wind damage, so yields are higher and more even, and clean, graded produce sells at a better price, especially off-season.

  • Less water

    Drip irrigation under cover uses less water than flood irrigation, and the roof keeps July's 364 mm of rain off the crop and the soil.

  • Less pesticides

    Insect net on vents and doors keeps out most pests, and controlled ventilation helps with leaf disease in the humid months (June to October), so you spray less often.

  • Subsidy eligible

    Polyhouse, shade net and nethouse projects in West Bengal can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department.[4]

Which polyhouse suits Monoharpur?

For polyhouse farming in Monoharpur, the structure decides which months you can crop and what it costs to run. In Monoharpur the heat comes with humidity: during March to May average humidity is about 68%. Wet pads cool much less in humid air: on a typical April afternoon they would only bring 35°C down to about 31°C. So we usually start with a tall naturally ventilated polyhouse with wide roof vents, insect net and a shade screen. A Fan & Pad polyhouse still makes sense if buyers need lettuce through the hottest months, but expect a smaller temperature drop than in dry inland towns.

Protected structures to compare

Plan for heavy rain in July (about 364 mm): raise the plinth, size the gutters for that month and keep drains away from the nutrient tank. A nethouse, the lowest-cost option, can grow hardy crops in November to March, when it is mild and fairly dry.

Crops for Monoharpur

Based on Monoharpur's climate, the crops with the longest growing windows are cucumber (10 months), chilli pepper (8 months) and brinjal (7 months). Cucumber fits February to March and May to December in a naturally ventilated polyhouse. Lilium and broccoli are hard to time here, so we would leave them out of the first season. These are the crops we would plan first for polyhouse farming in Monoharpur.

Months each crop suits in Monoharpur

CropNaturally ventilated polyhouseWith Fan & Pad cooling
CapsicumSep–FebSep–Apr
TomatoOct–FebOct–Apr
CucumberFeb–Mar and May–DecFeb–Dec
Chilli pepperJul–FebJul–May
BrinjalFeb and Jul–DecFeb–May and Jul–Dec
LettuceNov–JanOct–Mar
BroccoliDifficultDec–Feb
StrawberryDec–JanDec–Jan
RoseNov–JanNov–Feb
GerberaNov–JanNov–Mar
CarnationDec–JanDec–Feb
ChrysanthemumNov–JanNov–Feb
AnthuriumFeb and Sep–NovFeb–May and Jul–Nov
OrchidsFeb and Sep–NovFeb–May and Jul–Nov
LiliumDifficultDec–Feb
Kryzen planning estimate from the monthly averages above and each crop's usual day and night temperature range. Variety, soil or substrate temperature and shading change the result, so confirm with a trial.

Suggested crops for Monoharpur

Selling your harvest in and around Monoharpur

23,000People in Monoharpur (GeoNames)[1]
₹5,903Spending per person per month, urban West Bengal, 2023–24[5]
60 kmto Kolkata, the nearest metro (straight line)

Urban households in West Bengal spent an average of ₹5,903 per person per month in 2023–24, below the all-India urban average of ₹7,078.[5] Local demand in Monoharpur may be small for exotic greens, so plan where the rest of the harvest goes. Haldia, about 10 km away, is the nearest larger market on our list. For premium vegetable and flower buyers, Kolkata is within a day's delivery, about 60 km away.

Polyhouse farming in Monoharpur with Kryzen

We have built 2 projects in West Bengal so far (see our project map (opens in a new tab)). Monoharpur is about 1,340 km in a straight line from our Chhatrapati Sambhajinagar warehouse, our nearest site.

Towns near Monoharpur

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

Map of West Bengal

Check other locations in West Bengal

We have farm planning pages for 63 towns in West Bengal, each with its own climate, crops and market notes.

All West Bengal locations

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

Polyhouse farming in Monoharpur: FAQs

Can a polyhouse farm run all year in Monoharpur?

Yes, with the right structure. For Monoharpur we would plan a tall naturally ventilated polyhouse with wide vents and insect net. Even then, lettuce is hard to grow in April to September, so plan another crop for those months.

Which polyhouse is best for Monoharpur?

With April highs of about 35°C and 68% average humidity in that month, we would start with a tall naturally ventilated polyhouse with wide vents and insect net.

Which crops should I grow in a polyhouse in Monoharpur?

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

Is polyhouse farming profitable in Monoharpur?

It can be, if the crop, the structure and the buyers match. In Monoharpur, cucumber and chilli pepper have the longest seasons under cover. Confirm prices and volumes with buyers first; our Detailed Project Report works out the cost, yield and returns for your plot.

Does Kryzen build polyhouses in Monoharpur?

Yes. Our nearest site is our Chhatrapati Sambhajinagar warehouse, about 1,340 km away, and we have built 2 projects in West Bengal.

Is there a subsidy for polyhouse or hydroponic farms in West Bengal?

Yes. Protected cultivation projects in West Bengal 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 Monoharpur 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. NASA Langley Research Center · POWER Climatology API: long-term monthly averages (opens in a new tab)
  3. Rubel & Kottek, University of Veterinary Medicine Vienna · World map of the Köppen–Geiger climate classification (opens in a new tab)
  4. Ministry of Agriculture and Farmers Welfare · Mission for Integrated Development of Horticulture (MIDH) (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)