SCROLL · TO · GROW
Rhombic Global Infusion Ltd · Est. Thika, Kenya

Healthy soils. Healthy crops. Healthy humans.

A Kenyan fertilizer house formulating precision NPK blends for every stage of the growing season — from germination in the Rift Valley to top-dressing in the Central Highlands.

FIELD · TESTED KE
5 · BLENDS
NPK · CERTIFIED
— 01 · The Company

We grow with the farmer — every seed, every season, every soil.

Rhombic Global Infusion Ltd is a fertilizer manufacturer committed to supporting farmers with high-quality, reliable products. Every blend is formulated to meet crop nutrient requirements at a specific growth stage — from the moment the seed breaks ground to the final push before harvest. Timely orders. Honest delivery. Real yield.

05
NPK Formulations
04
Kenyan Regions Served
12+
Crops Supported
100%
Farmer-First
Stage 01 · Planting · Germination
/ 01 — RHOMBIC STAR

The first breath
of every harvest.

9:16:6 NPK · Planting

Formulated to wake a seed. A phosphorus-forward blend that drives taproot fracture, establishes vigor in the first two weeks, and anchors the crop against the dry spells that break a season.

  • Encourages strong root development
  • Improves early crop establishment
  • Enhances seedling vigor
Suitable Crops

Maize · Beans · Potatoes · Sorghum · Vegetables

Best Regions
Western KenyaRift ValleyCentral Highlands
Stage 02 · Planting · High Phosphorus
/ 02 — RHOMBIC 11:30:4

Deep roots
hold the season.

11:30:4 NPK · Planting

Heavier phosphorus for demanding soils. Accelerates rapid root formation, strengthens early plant architecture, and improves the crop's ability to pull nutrients from the ground below.

  • High phosphorus for rapid root formation
  • Strong early plant development
  • Improves nutrient uptake
Suitable Crops

Maize · Wheat · Tomatoes · Legumes

Best Regions
Rift ValleyCentral HighlandsWesternNyanza
Stage 03 · Planting · Balanced Start
/ 03 — RHOMBIC 10:17:0

A steadier hand
for young fields.

10:17:0 NPK · Planting

A potassium-free planting blend tuned for soils that already hold their K. Supports early establishment, improves phosphorus availability, and lifts seedling performance on demanding starts.

  • Supports early growth and establishment
  • Enhances phosphorus availability
  • Improves seedling performance
Suitable Crops

Maize · Beans · Small grains · Vegetables

Best Regions
Central HighlandsRift ValleyWestern Kenya
Stage 04 · Top Dressing · Vegetative
/ 04 — RHOMBIC 20:6:15

When the crop
reaches for the sun.

20:6:15 NPK · Top Dressing

Nitrogen-forward, potassium-supported. Pushes strong vegetative growth, tightens drought and stress tolerance, and carries the crop through its hungriest weeks without breaking stride.

  • Promotes strong vegetative growth
  • Improves drought and stress tolerance
  • Enhances overall productivity
Suitable Crops

Maize · Kale · Legumes · Sunflower

Best Regions
Rift ValleyWestern KenyaCentral Highlands
Stage 05 · Top Dressing · The Magic
/ 05 — RHOMBIC 15:10:20

The finishing
touch before harvest.

15:10:20 NPK · Top Dressing Magic

Our signature top-dressing blend. Heavy on potassium for flowering and grain filling, balanced nitrogen to hold the canopy, and phosphorus to keep uptake fluent. This is the one farmers ask for by name.

  • Improves flowering and grain filling
  • Enhances disease resistance
  • Boosts crop quality and yield
Suitable Crops

Maize · Tomatoes · Bananas · Watermelons

Best Regions
Western KenyaRift ValleyEastern Highlands

Three promises
growing from one root.

/ 01

Healthy Soils

We formulate blends that feed the soil, not just the crop. Balanced NPK ratios restore what last season took, so the next one starts stronger.

/ 02

Healthy Crops

Stage-matched nutrition — planting to top dressing — so every crop gets exactly what it needs at exactly the week it needs it.

/ 03

Healthy Humans

Better nutrition in the soil means better nutrition on the plate. Rhombic is farming for a country, not a quarter.

HARVEST · 2026

Buy Rhombicfor the season ahead.

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