What the soil tests found
8
out of 10
Soil score
GoodShort in most fields here: zinc, iron, copper and manganese.
For most crops. How the soil score works
- soil samples, 2024-25
- 163
- 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
-
Nitrogen
GoodLow 2% Medium 34% High 64%
Most soil tests here came out high
If your field is high: you can use about a quarter less urea than usual.
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 2% 34% 64% Dhemaji 4% 38% 58% Dhemaji 2% 51% 47% Assam 2% 60% 38% India 64% 30% 6% -
Phosphorus
GoodLow 1% Medium 2% High 97%
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 1% 2% 97% Dhemaji 14% 28% 58% Dhemaji 11% 22% 67% Assam 10% 25% 65% India 14% 41% 45% -
Potassium
GoodLow 12% Medium 78% High 10%
1 in 10 soil tests here came out low
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 12% 78% 10% Dhemaji 38% 54% 8% Dhemaji 50% 41% 9% Assam 37% 55% 8% India 14% 53% 34% -
Organic carbon
GoodLow 19% Medium 10% High 71%
Most soil tests here came out high
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 19% 10% 71% Dhemaji 19% 16% 65% Dhemaji 26% 19% 55% Assam 28% 23% 50% India 48% 28% 23% -
pH
OkayAcidic 47% Neutral 53%
5 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 47% 53% 0% Dhemaji 65% 35% 0% Dhemaji 73% 27% 0% Assam 42% 58% 0% India 12% 86% 2% -
Salt
GoodNot 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. Above 4 harms most crops.
Compared with the wider area Place Not salty Salty Here 100% 0% Dhemaji 100% 0% Dhemaji 100% 0% Assam 100% 0% India 96% 4% -
Sulphur
GoodEnough 100%
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 0% 100% Dhemaji 8% 92% Dhemaji 7% 93% Assam 6% 94% India 24% 76% -
Zinc
PoorShort 88% Enough 12%
9 in 10 soil tests here came out short
If your field is short: mix 10 kg of zinc sulphate per acre into the soil before sowing. One dose lasts two or three seasons.
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 88% 12% Dhemaji 25% 75% Dhemaji 27% 73% Assam 20% 80% India 35% 65% -
Iron
PoorShort 95% Enough 5%
Almost every soil test here came out short
If your field is short: spray ferrous sulphate, 5 g per litre of water, when young leaves turn yellow.
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 95% 5% Dhemaji 4% 96% Dhemaji 4% 96% Assam 1% 99% India 24% 76% -
Copper
PoorShort 92% Enough 8%
9 in 10 soil tests here came out short
If your field is short: mix 2 kg of copper sulphate per acre into the soil before sowing.
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 92% 8% Dhemaji 15% 85% Dhemaji 15% 85% Assam 6% 94% India 5% 95% -
Manganese
PoorShort 87% Enough 13%
9 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 87% 13% Dhemaji 12% 88% Dhemaji 30% 70% Assam 14% 86% India 13% 87% -
Boron
GoodShort 5% Enough 95%
Almost every soil test here had enough
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 5% 95% Dhemaji 84% 16% Dhemaji 75% 25% Assam 86% 14% India 45% 55%
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. 163 samples.
Climate in Dhemaji
Rain
About 2,330 mm of rain a year
In a normal year. A dry year brings about 2,110 mm.
Temperature
Hottest in August: days about 33 °C, nights 25 °C
Coolest in January: days about 24 °C, nights 10 °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.