What the soil tests found
8
out of 10
- soil samples, 2024-25
- 29
- 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
OkayLow 21% Medium 76% High 3%
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 21% 76% 3% Namsai 44% 53% 3% Namsai 52% 46% 2% Arunachal Pradesh 12% 74% 14% India 64% 30% 6% -
Phosphorus
OkayLow 34% Medium 34% High 31%
3 in 10 soil tests here came out low
If your field is low: add about a quarter more DAP or single super phosphate than the usual dose, at sowing.
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 34% 34% 31% Namsai 19% 38% 44% Namsai 16% 34% 50% Arunachal Pradesh 11% 67% 22% India 14% 41% 45% -
Potassium
OkayLow 38% Medium 38% High 24%
4 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 38% 38% 24% Namsai 50% 23% 27% Namsai 51% 20% 29% Arunachal Pradesh 20% 65% 15% India 14% 53% 34% -
Organic carbon
GoodLow 10% Medium 48% High 41%
1 in 10 soil tests here came out low
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 10% 48% 41% Namsai 56% 19% 25% Namsai 64% 18% 18% Arunachal Pradesh 18% 47% 35% India 48% 28% 23% -
pH
OkayAcidic 45% Neutral 55%
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 AlkalineMost crops do best at pH 6.5 to 7.5.
Compared with the wider area Place Acidic Neutral Alkaline Here 45% 55% 0% Namsai 34% 66% 0% Namsai 34% 66% 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% Namsai 99% 1% Namsai 97% 3% Arunachal Pradesh 97% 3% India 96% 4% -
Sulphur
PoorShort 83% Enough 17%
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 83% 17% Namsai 15% 85% Namsai 26% 74% 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% Namsai 7% 93% Namsai 8% 92% Arunachal Pradesh 9% 91% India 35% 65% -
Iron
OkayShort 28% Enough 72%
3 in 10 soil tests here came out short
If your field is short: spray ferrous sulphate, 5 g per litre of water, when young leaves turn yellow.
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 28% 72% Namsai 27% 73% Namsai 23% 77% Arunachal Pradesh 12% 88% India 24% 76% -
Copper
OkayShort 28% Enough 72%
3 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 28% 72% Namsai 5% 95% Namsai 5% 95% 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% Namsai 24% 76% Namsai 25% 75% 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% Namsai 18% 82% Namsai 30% 70% 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). 2024-25. 29 samples.
Climate in Namsai
Rain
About 2,150 mm of rain a year
In a normal year. A dry year brings about 1,710 mm.
Temperature
Hottest in August: days about 33 °C, nights 25 °C
Coolest in January: days about 24 °C, nights 10 °C.
Averages for an area about 100 km across; hills and valleys can differ by several degrees.
Source: IMD gridded daily rainfall (0.25°); IMD gridded daily max/min temperature (1°).