What the soil tests found
8
out of 10
Soil score
GoodShort in most fields here: organic carbon and boron.
For most crops. How the soil score works
- soil samples, 2024-25
- 30
- nutrients checked
- 12
This shows what soil in this area tends to be like. Your own field can be different. Get it tested at a soil testing lab before deciding.
Nutrient by nutrient
-
Good
Nitrogen
From 30 soil tests
Low 3% Medium 87% High 10%
Almost every soil test here had enough
What this means
Grows leaves and stems. Short soil gives pale, yellow leaves.
Low under 280 kg/ha Medium 280–560 kg/ha High over 560 kg/haHealthy soil has 280 kg/ha or more.
Compared with the wider area Place Low Medium High Here 3% 87% 10% Srijangram 3% 47% 50% Bongaigaon 2% 57% 41% Assam 2% 60% 38% India 65% 29% 6% -
Good
Phosphorus
From 30 soil tests
Low 13% Medium 23% High 63%
Most soil tests here came out high
If your field is high: you can use about a quarter less DAP than usual.
What this means
Builds roots and helps the crop flower and fill grain.
Low under 10 kg/ha Medium 10–25 kg/ha High over 25 kg/haHealthy soil has 10 kg/ha or more.
Compared with the wider area Place Low Medium High Here 13% 23% 63% Srijangram 19% 32% 49% Bongaigaon 20% 35% 46% Assam 10% 25% 65% India 13% 41% 45% -
Okay
Potassium
From 30 soil tests
Low 20% Medium 80%
2 in 10 soil tests here came out low
If your field is low: add about a quarter more potash (MOP) than the usual dose.
What this means
Fills grain and fruit, and helps crops stand drought and disease.
Low under 110 kg/ha Medium 110–280 kg/ha High over 280 kg/haHealthy soil has 110 kg/ha or more.
Compared with the wider area Place Low Medium High Here 20% 80% 0% Srijangram 45% 49% 6% Bongaigaon 46% 48% 6% Assam 37% 55% 8% India 14% 53% 33% -
Poor
Organic carbon
From 30 soil tests
Low 57% Medium 20% High 23%
6 in 10 soil tests here came out low
If your field is low: add 4 tonnes of compost or farmyard manure per acre before sowing, and plough crop leftovers back in instead of burning them.
What this means
Shows how much organic matter the soil has. It keeps soil loose, holds water and feeds the crop slowly.
Low under 0.5% Medium 0.5–0.75% High over 0.75%Healthy soil has 0.5% or more.
Compared with the wider area Place Low Medium High Here 57% 20% 23% Srijangram 34% 11% 54% Bongaigaon 42% 12% 46% Assam 28% 23% 50% India 49% 28% 23% -
Okay
pH
From 30 soil tests
Acidic 20% Neutral 80%
2 in 10 soil tests here came out acidic
If your field is acidic: add agricultural lime before sowing. A soil lab works out how much your field needs.
What this means
How sour (acidic) or alkaline the soil is. It decides which nutrients roots can take up.
Acidic Neutral AlkalineIn these tests, neutral means about pH 6 to 8, which suits most crops; acidic is below about 6 and alkaline above about 8.
Compared with the wider area Place Acidic Neutral Alkaline Here 20% 80% 0% Srijangram 19% 81% 0% Bongaigaon 17% 83% 0% Assam 42% 58% 0% India 11% 86% 2% -
Good
Salt
From 30 soil tests
Not salty 100%
Almost no soil tests here came out salty
What this means
Salt in the soil, shown as EC on the card. Salt makes it hard for roots to drink.
Not salty SaltyUnder 1 dS/m is fine. Between 1 and 4, only crops that can't take salt lose yield. Above 4 harms most crops.
Compared with the wider area Place Not salty Salty Here 100% 0% Srijangram 100% 0% Bongaigaon 100% 0% Assam 100% 0% India 96% 4% -
Good
Sulphur
From 30 soil tests
Short 3% Enough 97%
Almost every soil test here had enough
What this means
Makes oil in oilseeds and protein in pulses.
Short under 10 ppm Enough 10 ppm or moreHealthy soil has 10 ppm or more.
Compared with the wider area Place Short Enough Here 3% 97% Srijangram 17% 83% Bongaigaon 14% 86% Assam 6% 94% India 24% 76% -
Good
Zinc
From 30 soil tests
Short 10% Enough 90%
1 in 10 soil tests here came out short
What this means
Needed for growth and healthy leaves. Rice and wheat often run short.
Short under 0.6 ppm Enough 0.6 ppm or moreHealthy soil has 0.6 ppm or more.
Compared with the wider area Place Short Enough Here 10% 90% Srijangram 25% 75% Bongaigaon 28% 72% Assam 20% 80% India 35% 65% -
Good
Iron
From 30 soil tests
Enough 100%
Almost every soil test here had enough
What this means
Keeps young leaves green.
Short under 4.5 ppm Enough 4.5 ppm or moreHealthy soil has 4.5 ppm or more.
Compared with the wider area Place Short Enough Here 0% 100% Srijangram 2% 98% Bongaigaon 3% 97% Assam 1% 99% India 24% 76% -
Good
Copper
From 30 soil tests
Enough 100%
Almost every soil test here had enough
What this means
Helps the crop set seed and resist disease.
Short under 0.2 ppm Enough 0.2 ppm or moreHealthy soil has 0.2 ppm or more.
Compared with the wider area Place Short Enough Here 0% 100% Srijangram 2% 98% Bongaigaon 3% 97% Assam 6% 94% India 5% 95% -
Okay
Manganese
From 30 soil tests
Short 27% Enough 73%
3 in 10 soil tests here came out short
If your field is short: spray manganese sulphate, 5 g per litre of water, on the young crop.
What this means
Helps leaves make food from sunlight.
Short under 2 ppm Enough 2 ppm or moreHealthy soil has 2 ppm or more.
Compared with the wider area Place Short Enough Here 27% 73% Srijangram 24% 76% Bongaigaon 30% 70% Assam 14% 86% India 12% 88% -
Poor
Boron
From 30 soil tests
Short 100%
Almost every soil test here came out short
If your field is short: mix 4 kg of borax per acre into the soil before sowing.
What this means
Needed for flowers to set seed and fruit.
Short under 0.5 ppm Enough 0.5 ppm or moreHealthy soil has 0.5 ppm or more.
Compared with the wider area Place Short Enough Here 100% 0% Srijangram 99% 1% Bongaigaon 97% 3% Assam 86% 14% India 44% 56%
Fixes are the usual advice. Your Soil Health Card or nearest Krishi Vigyan Kendra gives the exact dose for your field.
Source: Soil Health Card – soil nutrient analysis (Ministry of Agriculture & Farmers Welfare). 2024-25. 30 samples.
Climate in Bongaigaon
Rain
About 2,710 mm of rain a year
In a normal year. A dry year brings about 2,250 mm.
Temperature
Hottest in August: days about 33 °C, nights 26 °C
Coolest in January: days about 24 °C, nights 12 °C.
Typical of the district's villages; a farm much higher or lower can be a few degrees cooler or warmer.
Source: IMD gridded daily rainfall (0.25°); IMD gridded daily max/min temperature (1°); TerraClimate 1991–2020 temperature normals (about 4 km), where each district's villages are.