What the soil tests found
7
out of 10
Soil score
OkayShort in most fields here: nitrogen, organic carbon and manganese.
For most crops. How the soil score works
- soil samples, 2024-25
- 27
- 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
PoorLow 100%
Almost every soil test 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 100% 0% 0% Karimangalam 100% 0% 0% Dharmapuri 100% 0% 0% Tamil Nadu 99% 1% 0% India 64% 30% 6% -
Phosphorus
GoodLow 15% Medium 30% High 56%
Most soil tests here came out high
If your field is high: you can use about a quarter less DAP than usual.
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 15% 30% 56% Karimangalam 13% 37% 50% Dharmapuri 15% 38% 47% Tamil Nadu 21% 43% 36% India 14% 41% 45% -
Potassium
GoodLow 7% Medium 59% High 33%
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 7% 59% 33% Karimangalam 6% 55% 38% Dharmapuri 5% 52% 43% Tamil Nadu 11% 43% 46% India 14% 53% 34% -
Organic carbon
PoorLow 89% Medium 11%
9 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 89% 11% 0% Karimangalam 95% 5% 0% Dharmapuri 92% 7% 1% Tamil Nadu 88% 9% 3% India 48% 28% 23% -
pH
GoodAcidic 7% Neutral 93%
1 in 10 soil tests here came out acidic
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 7% 93% 0% Karimangalam 2% 98% 0% Dharmapuri 1% 97% 3% Tamil Nadu 2% 93% 5% India 12% 86% 2% -
Salt
GoodNot salty 96% Salty 4%
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 96% 4% Karimangalam 96% 4% Dharmapuri 98% 2% Tamil Nadu 98% 2% India 96% 4% -
Sulphur
GoodShort 7% Enough 93%
1 in 10 soil tests here came out short
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 7% 93% Karimangalam 10% 90% Dharmapuri 13% 87% Tamil Nadu 35% 65% India 24% 76% -
Zinc
GoodShort 8% Enough 92%
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 8% 92% Karimangalam 23% 77% Dharmapuri 29% 71% Tamil Nadu 42% 58% India 35% 65% -
Iron
OkayShort 26% Enough 74%
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 26% 74% Karimangalam 53% 47% Dharmapuri 57% 43% Tamil Nadu 39% 61% 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% Karimangalam 5% 95% Dharmapuri 6% 94% Tamil Nadu 3% 97% India 5% 95% -
Manganese
PoorShort 52% Enough 48%
5 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 52% 48% Karimangalam 35% 65% Dharmapuri 33% 67% Tamil Nadu 28% 72% 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% Karimangalam 0% 100% Dharmapuri 0% 100% Tamil Nadu 45% 55% 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. 27 samples.
Climate in Dharmapuri
Rain
About 860 mm of rain a year
In a normal year. A dry year brings about 680 mm.
Temperature
Hottest in April: days about 36 °C, nights 24 °C
Coolest in January: days about 31 °C, nights 19 °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.