Planning polyhouse farming in Ramgarh? Ramgarh is a town in Jharkhand, home to about 89,000 people (GeoNames)[1][2], about 310 km from Kolkata. This guide works from Ramgarh's own monthly climate to suggest the protected structure, the crops to start with, and the months each crop is likely to do well.
Climate for polyhouse farming in Ramgarh
May is the hottest month in Ramgarh, with average daily highs of about 40°C. January has the coolest nights, averaging 8°C.[3] The area gets about 1,348 mm of rain a year, most of it in June to September, peaking in July at about 347 mm. Average humidity stays at 75% or more in July to October, which raises the risk of leaf disease and slows evaporative cooling. On the Köppen–Geiger climate map, Ramgarh falls in the humid subtropical with dry winters zone (Cwa).[4]
Ramgarh climate by month
Month
Avg high (°C)
Avg low (°C)
Humidity (%)
Rain (mm)
Jan
23.1
8.1
57
14
Feb
27.8
12.0
48
16
Mar
33.3
17.2
37
21
Apr
38.6
22.4
33
30
May
39.7
25.0
43
67
Jun
35.5
25.5
64
212
Jul
30.4
23.9
84
347
Aug
29.3
23.6
89
312
Sep
28.8
22.7
88
228
Oct
27.6
19.0
80
86
Nov
25.1
13.6
72
7
Dec
22.6
9.2
65
8
Area averages (a grid cell of about 50 km) for 2001–2025, from NASA POWER, centred on Ramgarh. Rainfall and night temperatures at your plot can differ, especially near hills and the coast.[3]
Advantages of protected cultivation in Ramgarh
1
Year-round crops
Under cover, capsicum can be grown for 10 months a year in Ramgarh, so you can supply buyers every week instead of one open-field season.
2
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.
3
Less water
Drip irrigation under cover uses less water than flood irrigation, and the roof keeps July's 347 mm of rain off the crop and the soil.
4
Less pesticides
Insect net on vents and doors keeps out most pests, and controlled ventilation helps with leaf disease in the humid months (July to October), so you spray less often.
5
Subsidy eligible
Polyhouse, shade net and nethouse projects in Jharkhand can apply for Mission for Integrated Development of Horticulture (MIDH) assistance through the state horticulture department.[5]
Which polyhouse suits Ramgarh?
For polyhouse farming in Ramgarh, the structure decides which months you can crop and what it costs to run. The heat in Ramgarh comes with dry air. In April to May, average highs reach 40°C while average humidity is only about 38%. In that dry air, wet pads can bring a 40°C May afternoon down to roughly 31°C inside a Fan & Pad polyhouse, which keeps herbs and vine crops going; lettuce will still struggle in the hottest weeks. For vine crops such as capsicum and cucumber, a naturally ventilated polyhouse with a shade screen works from February and July to November and costs less to run.
Plan for heavy rain in July (about 347 mm): raise the plinth, size the gutters for that month and keep drains away from the nutrient tank. Sunlight peaks in April at about 6.3 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 February to March and October to November, when it is mild and fairly dry.
Crops for Ramgarh
Based on Ramgarh's climate, the crops with the longest growing windows are capsicum (10 months), tomato (10 months) and chilli pepper (10 months). Capsicum fits February to November with Fan & Pad cooling. These are the crops we would plan first for polyhouse farming in Ramgarh.
Months each crop suits in Ramgarh
Crop
Naturally ventilated polyhouse
With Fan & Pad cooling
Capsicum
Feb and Jul–Nov
Feb–Nov
Tomato
Feb and Jul–Nov
Feb–Nov
Cucumber
Mar and Jul–Nov
Mar–Nov
Chilli pepper
Feb and Jul–Nov
Feb–Nov
Brinjal
Jul–Nov
Mar–Nov
Lettuce
Oct–Feb
Jul–Apr
Broccoli
Dec–Jan
Nov–Mar
Strawberry
Dec–Jan
Nov–Feb
Rose
Feb and Oct–Nov
Feb–Mar and Oct–Nov
Gerbera
Feb and Oct–Nov
Feb–Apr and Sep–Nov
Carnation
Dec–Jan
Nov–Mar
Chrysanthemum
Feb and Oct–Nov
Feb–Mar and Oct–Nov
Anthurium
Aug–Oct
Mar–Oct
Orchids
Aug–Oct
Mar–Oct
Lilium
Dec–Jan
Nov–Mar
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.
₹5,455Spending per person per month, urban Jharkhand, 2023–24[6]
310 kmto Kolkata, the nearest metro (straight line)
Urban households in Jharkhand spent an average of ₹5,455 per person per month in 2023–24, below the all-India urban average of ₹7,078.[6] Local demand in Ramgarh may be small for exotic greens, so plan where the rest of the harvest goes. Ranchi, about 40 km away, is the nearest larger market on our list.
Polyhouse farming in Ramgarh with Kryzen
We have built 2 projects in Jharkhand so far (see our project map (opens in a new tab)). Ramgarh is about 1,130 km in a straight line from our Chhatrapati Sambhajinagar warehouse, our nearest site.
Towns near Ramgarh
We also plan and build farms in these towns near Ramgarh:
Map: LGD 2024 boundaries via bharatlas, CC BY 4.0. For illustration only.
Polyhouse farming in Ramgarh: FAQs
Can a polyhouse farm run all year in Ramgarh?
Yes, with the right structure. For Ramgarh we would plan a Fan & Pad polyhouse for leafy greens. Even then, lettuce is hard to grow in May to June, so plan another crop for those months.
Which polyhouse is best for Ramgarh?
With May highs of about 40°C and 43% average humidity in that month, we would start with a Fan & Pad polyhouse for leafy greens.
Which crops should I grow in a polyhouse in Ramgarh?
Going by the monthly climate, capsicum, tomato and chilli pepper have the longest growing windows. Confirm prices and volumes with buyers before you plant.
Is polyhouse farming profitable in Ramgarh?
It can be, if the crop, the structure and the buyers match. In Ramgarh, capsicum and tomato 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 Ramgarh?
Yes. Our nearest site is our Chhatrapati Sambhajinagar warehouse, about 1,130 km away, and we have built 2 projects in Jharkhand.
Is there a subsidy for polyhouse or hydroponic farms in Jharkhand?
Yes. Protected cultivation projects in Jharkhand 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 Ramgarh 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.
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.
