What the soil tests found
8
out of 10
Soil score
GoodShort in most fields here: zinc and copper.
For most crops. How the soil score works
- soil samples, 2023-24 & 2024-25
- 155
- 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
OkayLow 23% Medium 77%
2 in 10 soil tests here came out low
If your field is low: add about a quarter more urea than the usual dose, in two or three splits. A pulse crop in rotation also adds nitrogen.
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 23% 77% 0% Roing 17% 82% 1% Lower Dibang Valley 18% 81% 1% Arunachal Pradesh 12% 74% 14% India 64% 30% 6% -
Phosphorus
GoodLow 11% Medium 55% High 34%
1 in 10 soil tests here came out low
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% 55% 34% Roing 59% 12% 30% Lower Dibang Valley 65% 9% 27% Arunachal Pradesh 11% 67% 22% India 14% 41% 45% -
Potassium
OkayLow 21% Medium 68% High 12%
2 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 21% 68% 12% Roing 50% 42% 8% Lower Dibang Valley 46% 39% 15% Arunachal Pradesh 20% 65% 15% India 14% 53% 34% -
Organic carbon
OkayLow 23% Medium 17% High 61%
2 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 23% 17% 61% Roing 20% 49% 30% Lower Dibang Valley 27% 49% 24% Arunachal Pradesh 18% 47% 35% India 48% 28% 23% -
pH
OkayAcidic 41% Neutral 59%
4 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 41% 59% 0% Roing 58% 42% 0% Lower Dibang Valley 64% 36% 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% Roing 91% 9% Lower Dibang Valley 93% 7% Arunachal Pradesh 97% 3% India 96% 4% -
Sulphur
OkayShort 37% Enough 63%
4 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 37% 63% Roing 41% 59% Lower Dibang Valley 40% 60% Arunachal Pradesh 23% 77% India 24% 76% -
Zinc
PoorShort 51% Enough 49%
5 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 51% 49% Roing 19% 81% Lower Dibang Valley 16% 84% Arunachal Pradesh 9% 91% India 35% 65% -
Iron
GoodShort 5% Enough 95%
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 5% 95% Roing 18% 82% Lower Dibang Valley 18% 82% Arunachal Pradesh 12% 88% India 24% 76% -
Copper
PoorShort 52% Enough 48%
5 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 52% 48% Roing 18% 82% Lower Dibang Valley 24% 76% Arunachal Pradesh 5% 95% India 5% 95% -
Manganese
OkayShort 21% Enough 79%
2 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 21% 79% Roing 71% 29% Lower Dibang Valley 76% 24% Arunachal Pradesh 17% 83% India 13% 87% -
Boron
GoodShort 17% Enough 83%
2 in 10 soil tests here came out short
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 17% 83% Roing 21% 79% Lower Dibang Valley 21% 79% Arunachal Pradesh 23% 77% 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). 2023-24 & 2024-25. 155 samples.
Climate in Lower Dibang Valley
Rain
About 2,390 mm of rain a year
In a normal year. A dry year brings about 2,010 mm.
Temperature
Hottest in August: days about 29 °C, nights 21 °C
Coolest in January: days about 18 °C, nights 6 °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.