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Sarawak Miri & Sibu Peat Fertiliser Guide.

Much of Sarawak’s oil palm around Miri, Sibu, Bintulu, Mukah and Betong is planted on deep peat — a soil that behaves nothing like mineral ground and needs water-table control as part of the nutrition plan.

  • Peat is acidic and low in mineral nutrients; copper, zinc and boron shortages are common
  • Water-table control and drainage are part of the nutrition problem
  • NEXGROW adds aerobically processed organic matter and phosphate-solubilising bacteria
  • A soil and leaf test comes before any programme

Soil Testing & Lab Analysis for Sarawak Estates

An agronomist samples your block and writes the programme from the result.

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Sarawak peatland

Deep peat and water-table management.

Tropical peat is partially decomposed organic material with low bulk density, high acidity and very little mineral reserve. Palms on peat commonly show copper, zinc and boron shortages, and lean as the peat subsides.

Applied fertiliser can be lost to drainage water, so timing and water-table control matter. NEXGROW is a bio-organic fertiliser, processed in line with MS 1517:2012, that adds organic matter and phosphate-solubilising bacteria. Your agronomist decides whether and at what rate it fits your peat programme after testing.

Sarawak Deep Peat Oil Palm Estate
Peat calendar

Sarawak peat timing.

Timing rounds around water-table levels and rainfall limits losses to drainage.

Period
Peat & Water Table Status
Bio-Organic Strategy
March – May
Controlled water table (40–50 cm depth)
Main NEXGROW round around the palm circle, while the water table is under control.
June – August
Drier spell; monitor water table subsidence
Leaf sampling; correct micronutrient shortages as your agronomist advises. Maintain water-control structures.
September – November
Pre-monsoon rainfall build-up
Avoid large rounds before heavy rain; keep drainage in order.
Priorities

What we look at in Sarawak.

01

Micronutrients

Copper, zinc and boron status is checked by leaf and soil analysis before a programme is written.

02

Water table

Water-table control limits peat oxidation, subsidence and nutrient loss.

03

Organic matter & microbes

NEXGROW adds aerobically processed organic matter and phosphate-solubilising bacteria.

04

Disease pressure

Ganoderma needs estate-level management — sanitation, replanting practice and monitoring. We do not claim that any of our products control it.

Frequently Asked

Sarawak peat planters ask.

Why is deep peat difficult for oil palm nutrition?+
Deep peat is acidic, low in bulk density and has very little mineral reserve. Applied fertiliser can be lost to drainage water, and copper, zinc and boron shortages are common. Water-table control is part of the nutrition plan.
Does NEXGROW correct copper, zinc and boron shortages?+
NEXGROW is a bio-organic fertiliser with phosphate-solubilising bacteria. Micronutrient shortages on peat should be confirmed by leaf analysis and corrected in the programme your agronomist writes.
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