PEAT-Kay Plus
The Prescriptive Fertilizer For Palms Grown On Peat Soils.
Introduction
What Is Peat?

PROBLEMATIC SOILS

Often described as a “problem soil”, peat soil consist of partly decomposed biomass and develop in depressions or wet coastal areas when the rate of biomass production from adapted vegetation is greater than the rate of decomposition. This is due to the presence of a high water table that prevents aerobic decomposition of plant debris...
                                                      Andriesse/Driessen 1988/1978

2 Types Of Peat ------------------------------------------------------
Topogenous (Shallow Peat)
Depth- 50-150cm
Formed in flood plains
Less Acidic
More fertile-enriched by influx
of nutrients from through flow,
deposition & sendimentation
during temporary flooding
Ombrogenous (Deep Peat)
Depth- more than 150cm
Usually develop in shallow
depression
Very acidic & low fertility status
Dependent on nutrient
Dependent on nutrient
deposition from the atmosphere
contained in rain & dust
Properties Of Peat

Mostly classified as Tropofibrists & Tropohemists in the USDA soil order of Histosols…in contrast with mineral soils are characterized by:

1) Very low bulk density.
2) Low nutrient content, except for nitrogen(N).
3) Poor nutrient retention, especially potassium(K).
4) Rapid fixation of water soluble copper (Cu)
and Zinc(Zn) compound by humic & fulvic
acids and polyphenolic compounds
5) Low or very low pH (2.8 - 4.5).
6) Large content of organic matter & large
water holding capacity.

 
76% of the world’s tropical peat is found in Malaysia & Indonesia.
Region  Million ha
Malaysia
Indonesia
Others 		 2.4
16.0
0.6
ASIA 19.0
Zaire
Guinea
Others		 1.0
0.5
0.6
 AFRICA 2.1
Brazil
Others		 1.0
2.8
 Central & South America  3.8
 TOTAL 24. 9

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