What the soil tests found
8
out of 10
- soil samples, 2024-25
- 579
- nutrients checked in each sample
- 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 3% Medium 49% High 48%
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% 49% 48% Barkhetri 3% 50% 46% Nalbari 4% 40% 56% Assam 2% 60% 38% India 64% 30% 6% -
Phosphorus
GoodLow 11% Medium 22% High 66%
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 11% 22% 66% Barkhetri 13% 24% 63% Nalbari 12% 24% 63% Assam 10% 25% 65% India 14% 41% 45% -
Potassium
OkayLow 27% Medium 68% High 5%
3 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 27% 68% 5% Barkhetri 25% 68% 7% Nalbari 33% 56% 11% Assam 37% 55% 8% India 14% 53% 34% -
Organic carbon
GoodLow 8% Medium 27% High 65%
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 8% 27% 65% Barkhetri 10% 28% 63% Nalbari 13% 20% 67% Assam 28% 23% 50% India 48% 28% 23% -
pH
OkayAcidic 45% Neutral 55%
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 AlkalineMost crops do best at pH 6.5 to 7.5.
Compared with the wider area Place Acidic Neutral Alkaline Here 45% 55% 0% Barkhetri 41% 59% 0% Nalbari 31% 69% 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% Barkhetri 100% 0% Nalbari 100% 0% Assam 100% 0% India 96% 4% -
Sulphur
GoodShort 9% Enough 91%
1 in 10 soil tests here came out short
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 9% 91% Barkhetri 9% 91% Nalbari 9% 91% Assam 6% 94% India 24% 76% -
Zinc
GoodShort 13% Enough 87%
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 13% 87% Barkhetri 15% 85% Nalbari 24% 76% Assam 20% 80% India 35% 65% -
Iron
GoodShort 1% Enough 99%
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 1% 99% Barkhetri 0% 100% Nalbari 0% 100% Assam 1% 99% India 24% 76% -
Copper
GoodShort 9% Enough 91%
1 in 10 soil tests here came out short
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 9% 91% Barkhetri 7% 93% Nalbari 10% 90% Assam 6% 94% India 5% 95% -
Manganese
GoodShort 1% Enough 99%
Almost every soil test here had enough
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 1% 99% Barkhetri 2% 98% Nalbari 3% 97% Assam 14% 86% India 13% 87% -
Boron
PoorShort 92% Enough 8%
9 in 10 soil tests 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 92% 8% Barkhetri 80% 20% Nalbari 92% 8% 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. 579 samples.
Climate in Nalbari
Rain
About 1,720 mm of rain a year
In a normal year. A dry year brings about 1,430 mm.
Temperature
Hottest in August: days about 32 °C, nights 25 °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.