Churu

• Phosphorus

  From 21,931 soil tests

  Poor
  Low 63% Medium 36% High 2%

  6 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/ha

  Healthy soil has 10 kg/ha or more.

  Compared with the wider area

  Place	Low	Medium	High
  Here	63%	36%	2%
  Rajasthan	4%	27%	69%
  India	13%	41%	45%

• Potassium

  From 21,937 soil tests

  Good
  Low 1% Medium 87% High 12%

  Almost every soil test here had enough

  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	1%	87%	12%
  Rajasthan	3%	50%	48%
  India	14%	53%	33%

• Organic carbon

  From 21,935 soil tests

  Poor
  Low 92% Medium 8%

  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	92%	8%	0%
  Rajasthan	83%	14%	3%
  India	49%	28%	23%

• pH

  From 21,931 soil tests

  Good
  Neutral 98% Alkaline 2%

  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

  In 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	0%	98%	2%
  Rajasthan	0%	87%	13%
  India	11%	86%	2%

• Salt

  From 21,934 soil tests

  Good
  Not salty 98% Salty 2%

  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. Between 1 and 4, only crops that can't take salt lose yield. Above 4 harms most crops.

  Compared with the wider area

  Place	Not salty	Salty
  Here	98%	2%
  Rajasthan	94%	6%
  India	96%	4%

• Zinc

  From 21,937 soil tests

  Poor
  Short 96% Enough 4%

  Almost every soil test 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	96%	4%
  Rajasthan	56%	44%
  India	35%	65%

• Iron

  From 21,933 soil tests

  Poor
  Short 96% Enough 4%

  Almost every soil test 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	96%	4%
  Rajasthan	50%	50%
  India	24%	76%

• Copper

  From 21,936 soil tests

  Good
  Short 2% Enough 98%

  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 more

  Healthy soil has 0.2 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	2%	98%
  Rajasthan	3%	97%
  India	5%	95%

• Manganese

  From 21,935 soil tests

  Good
  Short 7% Enough 93%

  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	7%	93%
  Rajasthan	6%	94%
  India	12%	88%

Too few tests here to judge nitrogen (4 tests), sulphur (5 tests) and boron (8 tests), out of 21,937 soil samples.

Fixes are the usual advice. Your Soil Health Card or nearest Krishi Vigyan Kendra gives the exact dose for your field.