Harohalli

Nutrient by nutrient

• Nitrogen

  Okay
  Low 27% Medium 70% High 3%

  3 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/ha

  Healthy soil has 280 kg/ha or more.

  Compared with the wider area

  Place	Low	Medium	High
  Here	27%	70%	3%
  Bengaluru South	21%	72%	7%
  Karnataka	62%	32%	6%
  India	64%	30%	6%

• Phosphorus

  Good
  Low 9% Medium 24% High 67%

  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/ha

  Healthy soil has 10 kg/ha or more.

  Compared with the wider area

  Place	Low	Medium	High
  Here	9%	24%	67%
  Bengaluru South	7%	23%	71%
  Karnataka	7%	36%	57%
  India	14%	41%	45%

• Potassium

  Okay
  Low 34% Medium 60% High 6%

  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/ha

  Healthy soil has 110 kg/ha or more.

  Compared with the wider area

  Place	Low	Medium	High
  Here	34%	60%	6%
  Bengaluru South	39%	50%	11%
  Karnataka	13%	47%	40%
  India	14%	53%	34%

• Organic carbon

  Okay
  Low 46% Medium 41% High 13%

  5 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	46%	41%	13%
  Bengaluru South	40%	46%	14%
  Karnataka	46%	32%	22%
  India	48%	28%	23%

• pH

  Good
  Acidic 4% Neutral 96%

  Almost every soil test here came out neutral

  What this means

  How sour (acidic) or alkaline the soil is. It decides which nutrients roots can take up.

  Acidic Neutral Alkaline

  Most crops do best at pH 6.5 to 7.5.

  Compared with the wider area

  Place	Acidic	Neutral	Alkaline
  Here	4%	96%	0%
  Bengaluru South	11%	89%	0%
  Karnataka	7%	90%	3%
  India	12%	86%	2%

• Salt

  Good
  Not 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 Salty

  Under 1 dS/m is fine. Above 4 harms most crops.

  Compared with the wider area

  Place	Not salty	Salty
  Here	99%	1%
  Bengaluru South	97%	3%
  Karnataka	91%	9%
  India	96%	4%

• Sulphur

  Okay
  Short 36% Enough 64%

  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 more

  Healthy soil has 10 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	36%	64%
  Bengaluru South	42%	58%
  Karnataka	31%	69%
  India	24%	76%

• Zinc

  Poor
  Short 85% Enough 15%

  9 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 more

  Healthy soil has 0.6 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	85%	15%
  Bengaluru South	69%	31%
  Karnataka	57%	43%
  India	35%	65%

• Iron

  Okay
  Short 32% Enough 68%

  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 more

  Healthy soil has 4.5 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	32%	68%
  Bengaluru South	16%	84%
  Karnataka	52%	48%
  India	24%	76%

• Copper

  Good
  Short 11% Enough 89%

  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 more

  Healthy soil has 0.2 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	11%	89%
  Bengaluru South	8%	92%
  Karnataka	5%	95%
  India	5%	95%

• Manganese

  Good
  Short 13% Enough 87%

  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 more

  Healthy soil has 2 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	13%	87%
  Bengaluru South	15%	85%
  Karnataka	14%	86%
  India	13%	87%

• Boron

  Poor
  Short 88% Enough 12%

  9 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 more

  Healthy soil has 0.5 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	88%	12%
  Bengaluru South	83%	17%
  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.

Climate in Bengaluru South

Villages in this block