Nongkhon Tinali

Nutrient by nutrient

• Nitrogen

  From 39 soil tests

  Good
  Low 15% Medium 85%

  2 in 10 soil tests here came out low

  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	15%	85%	0%
  Lekang	62%	38%	1%
  Namsai	52%	46%	2%
  Arunachal Pradesh	16%	70%	15%
  India	65%	29%	6%

• Organic carbon

  From 40 soil tests

  Good
  Low 15% Medium 57% High 28%

  2 in 10 soil tests here came out low

  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	15%	57%	28%
  Lekang	69%	16%	15%
  Namsai	64%	18%	18%
  Arunachal Pradesh	18%	46%	36%
  India	49%	28%	23%

• pH

  From 40 soil tests

  Good
  Acidic 3% Neutral 98%

  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	3%	98%	0%
  Lekang	28%	71%	0%
  Namsai	34%	66%	0%
  Arunachal Pradesh	51%	49%	0%
  India	11%	86%	2%

• Salt

  From 40 soil tests

  Good
  Not salty 100%

  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	100%	0%
  Lekang	97%	3%
  Namsai	97%	3%
  Arunachal Pradesh	97%	3%
  India	96%	4%

• Sulphur

  From 38 soil tests

  Okay
  Short 32% Enough 68%

  3 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	32%	68%
  Lekang	44%	56%
  Namsai	26%	74%
  Arunachal Pradesh	18%	82%
  India	24%	76%

• Iron

  From 40 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%
  Lekang	18%	82%
  Namsai	23%	77%
  Arunachal Pradesh	7%	93%
  India	24%	76%

• Manganese

  From 40 soil tests

  Good
  Short 3% Enough 98%

  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	3%	98%
  Lekang	24%	76%
  Namsai	25%	75%
  Arunachal Pradesh	17%	83%
  India	12%	88%

• Boron

  From 40 soil tests

  Good
  Short 8% Enough 93%

  1 in 10 soil tests here came out short

  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	8%	93%
  Lekang	53%	47%
  Namsai	30%	70%
  Arunachal Pradesh	24%	76%
  India	44%	56%

Too few tests here to judge phosphorus (9 tests), potassium (27 tests), zinc (20 tests) and copper (17 tests), out of 40 soil samples.

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

Climate in Namsai