What the soil tests found
10
out of 10
Soil score
GoodFor most crops. How the soil score works
- soil samples, 2024-25
- 26
- nutrients checked
- 9
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
-
Organic carbon
GoodMedium 100%
Almost every soil test here had enough
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 0% 100% 0% Payeng 2% 98% 0% Upper Subansiri 2% 98% 0% Arunachal Pradesh 18% 47% 35% India 48% 28% 23% -
pH
GoodNeutral 100%
Almost every soil test here came out neutral
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 0% 100% 0% Payeng 15% 85% 0% Upper Subansiri 17% 83% 0% Arunachal Pradesh 51% 49% 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% Payeng 100% 0% Upper Subansiri 100% 0% Arunachal Pradesh 97% 3% 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% Payeng 4% 96% Upper Subansiri 1% 99% Arunachal Pradesh 23% 77% India 24% 76% -
Zinc
GoodEnough 100%
Almost every soil test here had enough
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 0% 100% Payeng 0% 100% Upper Subansiri 0% 100% Arunachal Pradesh 9% 91% India 35% 65% -
Iron
GoodEnough 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% Payeng 0% 100% Upper Subansiri 0% 100% Arunachal Pradesh 12% 88% India 24% 76% -
Copper
GoodEnough 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% Payeng 0% 100% Upper Subansiri 0% 100% Arunachal Pradesh 5% 95% India 5% 95% -
Manganese
GoodEnough 100%
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 0% 100% Payeng 0% 100% Upper Subansiri 0% 100% Arunachal Pradesh 17% 83% India 13% 87% -
Boron
GoodEnough 100%
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 0% 100% Payeng 2% 98% Upper Subansiri 3% 97% Arunachal Pradesh 23% 77% India 45% 55%
The tests here for nitrogen, phosphorus and potassium look like a testing error: almost every test reads the same, unlike the districts around. They aren't used.
Source: Soil Health Card – soil nutrient analysis (Ministry of Agriculture & Farmers Welfare). 2024-25. 26 samples.
Climate in Upper Subansiri
Rain
About 2,750 mm of rain a year
In a normal year. A dry year brings about 2,270 mm.
Temperature
Hottest in August: days about 29 °C, nights 22 °C
Coolest in January: days about 19 °C, nights 7 °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.