What the soil tests found
9
out of 10
Soil score
GoodShort in most fields here: boron.
Too acidic in most fields here.
For most crops. How the soil score works
- soil samples, 2023-24 & 2024-25
- 703
- 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 702 soil tests
Low 1% Medium 23% High 76%
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 1% 23% 76% Siang 0% 24% 75% Arunachal Pradesh 16% 70% 15% India 65% 29% 6% -
Good
Phosphorus
From 702 soil tests
Low 2% Medium 52% High 47%
Almost every soil test here had enough
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 2% 52% 47% Siang 3% 46% 52% Arunachal Pradesh 14% 58% 28% India 13% 41% 45% -
Good
Potassium
From 702 soil tests
Low 8% Medium 84% High 8%
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 8% 84% 8% Siang 9% 81% 10% Arunachal Pradesh 25% 56% 19% India 14% 53% 33% -
Good
Organic carbon
From 701 soil tests
Low 6% Medium 8% High 86%
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 6% 8% 86% Siang 5% 8% 87% Arunachal Pradesh 18% 46% 36% India 49% 28% 23% -
Poor
pH
From 696 soil tests
Acidic 79% Neutral 21%
8 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 79% 21% 0% Siang 82% 18% 0% Arunachal Pradesh 51% 49% 0% India 11% 86% 2% -
Good
Salt
From 701 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% Siang 100% 0% Arunachal Pradesh 97% 3% India 96% 4% -
Good
Sulphur
From 703 soil tests
Short 2% Enough 98%
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 2% 98% Siang 3% 97% Arunachal Pradesh 18% 82% India 24% 76% -
Good
Zinc
From 697 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% Siang 12% 88% Arunachal Pradesh 9% 91% India 35% 65% -
Good
Iron
From 700 soil tests
Short 19% Enough 81%
2 in 10 soil tests here came out short
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 19% 81% Siang 14% 86% Arunachal Pradesh 7% 93% India 24% 76% -
Good
Copper
From 695 soil tests
Short 8% Enough 92%
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 8% 92% Siang 8% 92% Arunachal Pradesh 5% 95% India 5% 95% -
Okay
Manganese
From 701 soil tests
Short 35% Enough 65%
4 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 35% 65% Siang 32% 68% Arunachal Pradesh 17% 83% India 12% 88% -
Poor
Boron
From 623 soil tests
Short 54% Enough 46%
5 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 54% 46% Siang 61% 39% Arunachal Pradesh 24% 76% 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). 2023-24 & 2024-25. 703 samples.
Climate in Siang
Rain
About 2,860 mm of rain a year
In a normal year. A dry year brings about 2,370 mm.
Temperature
Hottest in August: days about 29 °C, nights 22 °C
Coolest in January: days about 18 °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.