Kurung Kumey

• Organic carbon

  From 3,683 soil tests

  Good
  Low 4% Medium 96%

  Almost every soil test here had enough

  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	4%	96%	0%
  Arunachal Pradesh	18%	46%	36%
  India	49%	28%	23%

• pH

  From 3,676 soil tests

  Good
  Acidic 17% Neutral 83%

  2 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 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	17%	83%	0%
  Arunachal Pradesh	51%	49%	0%
  India	11%	86%	2%

• Salt

  From 3,682 soil tests

  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. 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	99%	1%
  Arunachal Pradesh	97%	3%
  India	96%	4%

• Sulphur

  From 3,687 soil tests

  Good
  Enough 100%

  Almost every soil test here had enough

  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	0%	100%
  Arunachal Pradesh	18%	82%
  India	24%	76%

• Zinc

  From 3,686 soil tests

  Good
  Enough 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 more

  Healthy soil has 0.6 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	0%	100%
  Arunachal Pradesh	9%	91%
  India	35%	65%

• Iron

  From 3,687 soil tests

  Good
  Enough 100%

  Almost every soil test here had enough

  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	0%	100%
  Arunachal Pradesh	7%	93%
  India	24%	76%

• Copper

  From 3,672 soil tests

  Good
  Enough 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 more

  Healthy soil has 0.2 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	0%	100%
  Arunachal Pradesh	5%	95%
  India	5%	95%

• Manganese

  From 3,687 soil tests

  Good
  Enough 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 more

  Healthy soil has 2 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	0%	100%
  Arunachal Pradesh	17%	83%
  India	12%	88%

• Boron

  From 3,600 soil tests

  Good
  Short 1% Enough 99%

  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 more

  Healthy soil has 0.5 ppm or more.

  Compared with the wider area

  Place	Short	Enough
  Here	1%	99%
  Arunachal Pradesh	24%	76%
  India	44%	56%

The tests here for nitrogen, phosphorus and potassium look like a testing error: almost every test reads the same, unlike the districts around. They aren't used.