What the soil tests found
6
out of 10
Soil score
OkayShort in most fields here: nitrogen, pH, zinc and boron.
For most crops. How the soil score works
- soil samples, 2023-24 & 2024-25
- 1,610
- 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 74% Medium 24% High 1%
7 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 74% 24% 1% Udupi 58% 40% 2% Karnataka 62% 32% 6% India 64% 30% 6% -
Phosphorus
OkayLow 21% Medium 20% High 59%
2 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 21% 20% 59% Udupi 21% 21% 58% Karnataka 7% 36% 57% India 14% 41% 45% -
Potassium
OkayLow 28% Medium 45% High 27%
3 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 28% 45% 27% Udupi 32% 47% 21% Karnataka 13% 47% 40% India 14% 53% 34% -
Organic carbon
OkayLow 28% Medium 14% High 57%
3 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 28% 14% 57% Udupi 17% 14% 69% Karnataka 46% 32% 22% India 48% 28% 23% -
pH
PoorAcidic 55% Neutral 45%
5 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 55% 45% 0% Udupi 83% 17% 0% Karnataka 7% 90% 3% India 12% 86% 2% -
Salt
GoodNot salty 99% Salty 1%
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 99% 1% Udupi 100% 0% Karnataka 91% 9% India 96% 4% -
Sulphur
OkayShort 39% Enough 61%
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 39% 61% Udupi 49% 51% Karnataka 31% 69% India 24% 76% -
Zinc
PoorShort 53% Enough 47%
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 53% 47% Udupi 35% 65% Karnataka 57% 43% India 35% 65% -
Iron
GoodShort 6% Enough 94%
1 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 6% 94% Udupi 6% 94% Karnataka 52% 48% India 24% 76% -
Copper
GoodShort 13% Enough 87%
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 13% 87% Udupi 12% 88% Karnataka 5% 95% India 5% 95% -
Manganese
OkayShort 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% Udupi 37% 63% Karnataka 14% 86% India 13% 87% -
Boron
PoorShort 77% Enough 23%
8 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 77% 23% Udupi 63% 37% Karnataka 55% 45% 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. 1,610 samples.
Climate in Udupi
Rain
About 4,660 mm of rain a year
In a normal year. A dry year brings about 3,830 mm.
Temperature
Hottest in April: days about 34°, nights 22°
Coolest in January: days about 31°, nights 16°.
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°).