What the soil tests found
8
out of 10
Soil score
GoodShort in most fields here: sulphur.
Too acidic in most fields here.
For most crops. How the soil score works
- soil samples, 2023-24 & 2024-25
- 97
- nutrients checked
- 11
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 89% High 9%
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 2% 89% 9% Pongchau 1% 85% 14% Longding 1% 84% 16% Arunachal Pradesh 12% 74% 14% India 64% 30% 6% -
Phosphorus
GoodMedium 99% High 1%
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 0% 99% 1% Pongchau 0% 99% 0% Longding 0% 99% 1% Arunachal Pradesh 11% 67% 22% India 14% 41% 45% -
Potassium
GoodLow 1% Medium 35% High 64%
Most soil tests here came out high
If your field is high: you can use about a quarter less potash than usual.
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 1% 35% 64% Pongchau 1% 39% 59% Longding 1% 39% 60% Arunachal Pradesh 20% 65% 15% India 14% 53% 34% -
Organic carbon
OkayLow 40% Medium 41% High 19%
4 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 40% 41% 19% Pongchau 31% 42% 27% Longding 20% 48% 32% Arunachal Pradesh 18% 47% 35% India 48% 28% 23% -
pH
PoorAcidic 93% Neutral 7%
9 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 93% 7% 0% Pongchau 97% 3% 0% Longding 94% 6% 0% Arunachal Pradesh 51% 49% 0% India 12% 86% 2% -
Salt
GoodNot salty 97% Salty 3%
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 97% 3% Pongchau 98% 2% Longding 98% 2% Arunachal Pradesh 97% 3% India 96% 4% -
Sulphur
PoorShort 84% Enough 16%
8 in 10 soil tests here came out short
If your field is short: use single super phosphate instead of DAP, or add about 100 kg of gypsum per acre before sowing.
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 84% 16% Pongchau 81% 19% Longding 82% 18% 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% Pongchau 1% 99% Longding 2% 98% 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% Pongchau 0% 100% Longding 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% Pongchau 0% 100% Longding 0% 100% Arunachal Pradesh 5% 95% India 5% 95% -
Manganese
GoodShort 10% Enough 90%
1 in 10 soil tests here came out short
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 10% 90% Pongchau 9% 91% Longding 7% 93% Arunachal Pradesh 17% 83% India 13% 87%
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. 97 samples.
Climate in Longding
Rain
About 2,110 mm of rain a year
In a normal year. A dry year brings about 1,830 mm.
Temperature
Hottest in August: days about 29 °C, nights 22 °C
Coolest in January: days about 21 °C, nights 8 °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.