Shipping Fertilizers from Asia: Bulk, Bagged or in Big Bags?
How packaging, cargo properties, handling arrangements and port facilities determine vessel selection and freight for fertilizers shipped from Asia.
6 min read
By Konstantin Kalnyi, Founder and CEO of Kiev Shipping Ltd
Mineral fertilizers are shipped from Asian ports in several forms: as loose dry bulk, in conventional bags or in flexible intermediate bulk containers commonly known as big bags.
The product may be similar, but the selected transport form changes the vessel requirements, cargo-handling arrangements, stowage plan, port operations and freight calculation. A cargo owner should therefore confirm not only the commodity and quantity, but also the packaging, technical characteristics and facilities available at both ports.
Start with the exact fertilizer specification
“Fertilizer” is not a sufficiently precise cargo description for vessel selection or freight negotiations. Urea, ammonium-based products, phosphates, potash and compound fertilizers have different physical characteristics and may be subject to different carriage requirements.
The initial enquiry should identify:
- the full commercial and technical name of the product;
- the relevant Safety Data Sheet;
- whether the product is granular, prilled, powdered or supplied in another form;
- its bulk density or stowage factor;
- moisture sensitivity and any tendency to cake;
- the applicable IMSBC Code schedule when carried in bulk;
- packaging type and individual package weight;
- total quantity and quantity tolerance.
The actual cargo documentation must be reviewed before a vessel is fixed. Similar product descriptions do not necessarily mean that two fertilizer cargoes can be handled, stowed or carried under identical conditions.
Fertilizer shipped as loose dry bulk
Large homogeneous fertilizer parcels may be transported as loose dry bulk in bulk carriers or suitable general cargo vessels.
This method avoids the cost of bags and can allow the cargo to be loaded and discharged using conveyors, chutes, grabs or other terminal equipment. It may be commercially efficient when both ports have suitable bulk-handling infrastructure.
Vessel selection depends on more than deadweight. The fertilizer’s stowage factor determines the hold volume required for the nominated quantity. A vessel may reach its cubic capacity before reaching its maximum cargo weight, particularly when the product has a relatively high stowage factor.
The holds must be suitable for the nominated cargo and presented in the condition required under the charter party. Previous cargoes, residues, rust scale, moisture and cleaning substances may affect cargo acceptance. Hatch-cover integrity and protection against rain and seawater are especially important because many fertilizer products are sensitive to moisture.
Cargo owners planning loose fertilizer shipments can review Kiev Shipping’sdry bulk cargo chartering from Asian ports.
Fertilizer shipped in bags
Fertilizer packed in conventional bags is handled as breakbulk or general cargo rather than as loose dry bulk. The vessel must be assessed according to the number, dimensions and weight of the bags, as well as the proposed loading, stowage and discharge methods.
Individual bags may be loaded loose, palletised or assembled into handling units. Each method has different implications for labour, loading speed, cargo damage and use of space inside the vessel.
Loose bags can require substantial manual handling. Pallets may improve handling efficiency but also add weight and volume. They can create unused spaces within the stow and reduce the vessel’s effective cargo intake.
Before fixing the vessel, the parties should establish who will provide pallets, slings, dunnage, separation materials and weather protection. Loading and discharge rates should reflect the actual packaging and handling method rather than rates copied from another cargo or terminal.
Fertilizer shipped in big bags
Big bags can provide a practical alternative where the receiving port cannot discharge loose bulk efficiently or where the buyer requires easier cargo separation and inland distribution.
The chartering enquiry should state:
- the weight and external dimensions of each big bag;
- the total number of units;
- the type and arrangement of lifting loops;
- whether the units can be stacked;
- any stacking limitations specified by the manufacturer;
- the proposed loading and discharge equipment;
- whether the cargo will be loaded directly or placed on pallets.
Big bags should not be treated as interchangeable units without reviewing their specifications. Their lifting arrangement, filling level, dimensions and stability affect how they can be handled and stowed.
Shipboard cranes may be necessary when shore equipment is unavailable or unreliable. Crane capacity alone is not sufficient. Working radius, outreach, lifting gear and the proposed number of bags per lift must also be considered.
For fertilizer shipped in bags or big bags, Kiev Shipping providesbreakbulk cargo chartering from Asian ports.
Port facilities may determine the transport form
The best packaging option cannot be selected by comparing ocean freight alone. Loading and discharge infrastructure may determine which alternative is commercially workable.
A loose bulk shipment normally requires suitable storage, transfer equipment and weather-protected operations. Bagged cargo may require covered storage, stevedore labour, forklifts and sufficient space for receiving the cargo. Big bags require suitable lifting gear and a safe method of transferring the units from the vessel to the quay or transport vehicles.
Cargo owners should confirm:
- the exact loading and discharge berths;
- permissible vessel draft, length and beam;
- shore-crane availability and lifting capacity;
- whether shipboard cranes are required;
- storage arrangements before loading and after discharge;
- working hours and weather restrictions;
- expected loading and discharge rates;
- local restrictions affecting packaged fertilizer.
An apparently cheaper vessel may produce a higher total cost if it is unsuitable for the berth, dependent on unavailable equipment or exposed to slow cargo operations.
Freight quotations must use the same basis
Freight quotations for loose and packaged fertilizer cannot be compared without examining the underlying terms.
Bulk freight may appear lower per tonne but require specialised terminal infrastructure. Bagging, palletisation, stevedoring, slings, dunnage and storage can materially change the total logistics cost. Big bags may improve handling at destination but reduce the vessel’s effective cargo intake or require more expensive lifting operations.
Each quotation should identify:
- the cargo quantity and packaging basis;
- the proposed vessel type;
- loading and discharge terms;
- included and excluded cargo-handling costs;
- allowed laytime;
- demurrage and despatch provisions;
- responsibility for dunnage and securing materials;
- additional port expenses or freight taxes;
- quotation validity and outstanding subjects.
The correct comparison is the expected cost of completing the shipment, not the ocean freight rate alone.
Information required for a freight indication
A workable fertilizer enquiry should include the exact product, total quantity, packaging, unit weights, loading port, discharge port, laycan, cargo readiness, loading and discharge rates, required vessel gear and known berth restrictions.
For bags and big bags, photographs and packing specifications are useful. For loose bulk cargo, the cargo declaration, stowage factor and relevant technical documentation are essential.
Cargo owners can send the fertilizer specification and shipment details for an initial vessel search and freight indication.