If you are looking for agricultural sales jobs in Mpumalanga, the Fertiliser Sales Agent position at TWK Agri in Secunda could be an excellent opportunity for an experienced agriculture or fertiliser industry professional. The role combines technical agricultural knowledge, customer service, sales, crop management and business development.

This detailed guide explains the vacancy, responsibilities, qualifications, skills required, application considerations, frequently asked questions and potential Fertiliser Sales Agent interview questions and answers.

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Fertiliser Sales Agent – TWK Agri

Company: TWK Agri
Division: Constantia Fertiliser
Position: Fertiliser Sales Agent
Location: Secunda, Mpumalanga
Employment Type: Permanent
Industry: Agriculture
Functional Area: Production
Minimum Experience: Associate
Posted: 11 September 2026
Closing Date: 12 October 2026

TWK Agri is recruiting a Fertiliser Sales Agent for its Constantia Fertiliser division in Secunda, Mpumalanga. The successful candidate will work closely with agricultural customers, providing fertiliser recommendations and customised fertiliser solutions while developing new business opportunities.

Important: Job advertisements can be changed or withdrawn by the employer at any time, so applicants should verify the vacancy and application instructions with TWK Agri before applying.

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About the Fertiliser Sales Agent Position

The Fertiliser Sales Agent will play an important role in helping agricultural customers make informed decisions about fertiliser products and crop nutrition.

The position is not limited to selling products. It requires the successful candidate to understand fertiliser compositions, crop requirements, application methods, soil and leaf sampling, crop monitoring and fertiliser programmes.

The candidate will also be expected to develop strong relationships with customers and identify opportunities to grow the business.

This makes the position particularly suitable for someone who combines agricultural knowledge with sales ability and strong communication skills.

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Key Responsibilities of the Fertiliser Sales Agent

1. Understand Fertiliser Products

The successful candidate will need a strong understanding of different fertiliser products, including their:

• Composition
• Nutrient content
• Benefits
• Application methods
• Appropriate agricultural uses
• Potential suitability for different crops

This knowledge enables the sales agent to provide useful recommendations instead of simply selling products.

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2. Recommend Fertiliser Solutions

A major responsibility will be recommending fertiliser products and application strategies according to each customer’s agricultural objectives.

Different crops, soils, production systems and budgets can require different approaches.

The sales agent therefore needs to understand the customer’s requirements before recommending a fertiliser programme.

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3. Manage Fertiliser Orders

The position includes coordinating fertiliser orders and making sure that:

• Correct quantities are ordered
• Orders are processed accurately
• Delivery schedules are met
• Customers receive appropriate products
• Potential problems are addressed quickly

Strong organisational skills are therefore important.

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4. Provide Technical Customer Support

The Fertiliser Sales Agent will provide both pre-sales and post-sales technical assistance.

This can involve answering customer questions about fertiliser products, application strategies and crop nutrition.

The candidate should therefore be comfortable explaining technical agricultural information in a clear and practical way.

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5. Build Long-Term Customer Relationships

Customer relationship management is an important part of the role.

The successful candidate will be expected to maintain positive business relationships that can contribute to:

• Repeat business
• Customer loyalty
• Future sales
• New business referrals
• Long-term agricultural partnerships

A good sales agent should therefore focus on creating value for customers rather than making a single sale.

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Fertiliser Programmes Covered

The vacancy specifically mentions experience with basic fertiliser programmes for several crops, including:

• Wheat
• Canola
• Barley
• Oats
• Lupins
• Luzern
• Cover crops

Candidates who have practical knowledge of crop nutrition and fertiliser requirements for these crops may have an advantage.

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Soil and Leaf Sampling

Another important responsibility is taking soil and leaf samples.

Soil and plant tissue information can assist agricultural professionals in assessing crop nutrient requirements and developing appropriate fertiliser strategies.

A candidate should therefore understand the importance of:

• Proper sample collection
• Accurate identification
• Correct handling
• Recording relevant field information
• Using test results when developing recommendations

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Crop Monitoring

The successful candidate will also be involved in crop monitoring during the growing season.

This can help identify potential crop nutrition issues and allows the sales agent to maintain contact with customers throughout the production cycle.

Regular crop monitoring can also strengthen customer relationships because the sales agent remains involved beyond the initial fertiliser sale.

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Qualifications Required

According to the vacancy, candidates should have:

Matric / Grade 12

A Matric or Grade 12 qualification is required.

Relevant Tertiary Qualification

A relevant tertiary qualification in areas such as:

• Agriculture
• Sales
• Management

would be relevant to the position.

Fertiliser Industry Experience

The vacancy specifies 5 years’ experience in the fertiliser industry.

This is an important requirement for applicants to consider when assessing their suitability.

BASOS Certificate

A BASOS certificate is listed as advantageous.

While it is not presented as an absolute requirement, candidates who have this certification may have an additional advantage.

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Skills Required for the Position

The advertised position highlights several important skills and personal attributes.

Negotiation Skills

A Fertiliser Sales Agent needs to negotiate effectively with customers while balancing customer requirements and business objectives.

Teamwork

The candidate should be able to work effectively with colleagues and other stakeholders.

Self-Discipline

Sales roles require candidates to manage their own activities, customer follow-ups, appointments and targets.

Target Driven

The position is sales focused, meaning the successful candidate should be comfortable working towards measurable goals.

Computer Literacy

Basic computer skills are required for handling business information, customer records, orders, proposals and other administrative tasks.

Own Transport

The vacancy requires candidates to have their own transport, which is particularly relevant because the position can involve visiting agricultural customers and monitoring crops.

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Who Should Apply?

This opportunity may be particularly suitable for candidates with experience in:

• Fertiliser sales
• Agricultural sales
• Crop nutrition
• Agricultural consulting
• Agronomy-related activities
• Farm input sales
• Customer relationship management
• Crop monitoring
• Soil and leaf sampling

Candidates should carefully compare their qualifications and experience against the advertised requirements before applying.

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Why This Could Be a Good Agricultural Career Opportunity

The role provides an opportunity to combine several areas of agriculture.

Instead of focusing exclusively on office-based sales, the position involves interaction with agricultural customers and practical crop-related activities.

A successful candidate can potentially develop expertise in:

Agriculture + Sales + Crop Nutrition + Customer Relationships + Business Development

These combined skills can be valuable within the agricultural inputs industry.

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How to Prepare for a Fertiliser Sales Agent Application

Before applying, candidates should ensure their CV clearly demonstrates relevant experience.

Highlight Your Fertiliser Experience

Do not simply write “sales experience.”

Where applicable, explain the types of fertiliser products, customers, crops and agricultural programmes you have worked with.

Mention Relevant Crops

If you have experience with wheat, canola, barley, oats, lupins, luzern or cover crops, make this visible on your CV.

Include Sales Achievements

Where possible, describe measurable achievements such as:

• Sales growth
• New customers acquired
• Customer retention
• Sales targets achieved
• Territory growth
• Successful fertiliser programmes

Include Technical Agricultural Skills

Mention relevant experience with:

• Soil sampling
• Leaf sampling
• Crop monitoring
• Fertiliser recommendations
• Nutrient management
• Agricultural customer support

List Relevant Qualifications

Include your Matric/Grade 12 qualification, tertiary qualifications and relevant certificates such as BASOS if applicable.

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Fertiliser Sales Agent Interview Questions and Answers

If you are shortlisted for this position, you should prepare for both sales and agricultural technical questions.

Below are examples of questions that could be asked.

1. Tell us about yourself.

Sample answer:

“I have a background in agriculture and experience working with customers and agricultural products. My experience has helped me develop an understanding of crop requirements, fertiliser products and customer service. I enjoy working directly with farmers and helping them find practical solutions that support their production goals. I am also target driven, organised and comfortable working independently while contributing to a team.”

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2. Why do you want to work as a Fertiliser Sales Agent?

Sample answer:

“I am interested in the position because it combines agriculture, technical knowledge and sales. I enjoy understanding customers’ requirements and helping them find suitable agricultural solutions. The opportunity to work with fertiliser programmes, crop monitoring and customer relationships particularly interests me because it allows me to contribute throughout the production cycle rather than focusing only on the sale.”

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3. Why do you want to work for TWK Agri?

Sample answer:

“I am interested in TWK Agri because of its involvement in agriculture and its focus on providing products and services to the agricultural sector. I believe my agricultural and sales experience would allow me to contribute to the Constantia Fertiliser division while developing my career further within the agricultural industry.”

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4. What do you understand about the role of a fertiliser sales agent?

Sample answer:

“I understand that the role involves much more than selling fertiliser. The sales agent needs to understand the customer’s crop and production requirements, recommend appropriate fertiliser solutions, coordinate orders, provide technical support, monitor crops and maintain strong customer relationships. The role also involves identifying new business opportunities and working towards sales targets.”

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5. How would you determine which fertiliser product to recommend?

Sample answer:

“I would first understand the customer’s crop, production objectives, soil conditions, previous fertiliser practices and available soil or leaf analysis. I would then consider the crop’s nutrient requirements and recommend a suitable fertiliser programme based on the available technical information, application requirements and the customer’s budget.”

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6. Why is soil sampling important?

Sample answer:

“Soil sampling can provide valuable information about nutrient levels and other soil characteristics. When samples are collected correctly and interpreted appropriately, the information can assist in developing more targeted fertiliser recommendations. This can help avoid applying nutrients without understanding the crop and soil requirements.”

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7. What is the importance of crop monitoring?

Sample answer:

“Crop monitoring allows the agricultural professional to observe crop development throughout the growing season and identify potential problems early. It also provides an opportunity to maintain regular communication with the customer and adjust recommendations when appropriate.”

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8. How would you handle a difficult customer?

Sample answer:

“I would remain professional and listen carefully to understand the customer’s concern. I would avoid becoming defensive and focus on finding the facts behind the problem. After understanding the issue, I would explain the available solution clearly and follow up to make sure the customer is satisfied.”

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9. How would you find new customers?

Sample answer:

“I would use a combination of existing agricultural networks, referrals, customer visits, industry relationships and proactive prospecting. I would also research potential customers and understand their farming operations before approaching them. My goal would be to demonstrate value rather than simply approaching prospects with a product.”

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10. How do you handle sales targets?

Sample answer:

“I break larger targets into smaller weekly and monthly objectives. I monitor my customer pipeline, prioritise high-potential opportunities and make sure that follow-ups are completed on time. I also review my performance regularly so that I can identify where I need to increase prospecting or improve customer engagement.”

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11. What would you do if a customer says your fertiliser is too expensive?

Sample answer:

“I would first understand the customer’s budget and concerns rather than immediately reducing the price. I would explain the value of the proposed programme and consider whether there are alternative products or strategies that could meet the customer’s crop requirements and budget. The recommendation should still be technically appropriate.”

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12. How would you maintain long-term relationships with farmers?

Sample answer:

“I would maintain regular communication, provide reliable technical support and follow through on commitments. I would also remain involved after the sale by checking on orders, crop development and any concerns. Building trust requires consistency and demonstrating that you are focused on the customer’s long-term success.”

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13. What would you do if a customer complained that a fertiliser programme did not produce the expected result?

Sample answer:

“I would investigate the situation before reaching a conclusion. I would review the recommendation, application rates, timing, application method, soil information, crop conditions and other relevant factors. I would discuss the findings with the customer and, where necessary, involve the appropriate technical resources to determine the best way forward.”

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14. Are you comfortable travelling to customers?

Sample answer:

“Yes. I understand that customer visits and field activities are an important part of this position. I have my own transport and am comfortable travelling to customers and agricultural operations when required.”

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15. What makes you a good sales professional?

Sample answer:

“I believe successful agricultural sales require a combination of product knowledge, communication, reliability and relationship building. Customers need to trust that the recommendations they receive are based on their actual requirements. I am also target driven and understand the importance of consistent follow-up and identifying new opportunities.”

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Technical Questions You May Be Asked

Candidates should also prepare for technical agricultural questions.

Possible questions include:

What is the purpose of fertiliser?

Fertiliser supplies nutrients that crops require for healthy growth and development. Appropriate fertiliser decisions should consider crop requirements, soil conditions and other relevant production factors.

What is the difference between soil and leaf sampling?

Soil sampling provides information about conditions and nutrient levels in the soil, while leaf or plant tissue sampling can provide information about nutrient concentrations within the growing crop.

Why should fertiliser recommendations be customised?

Different crops, fields, soils, production objectives and nutrient conditions can vary considerably. A customised approach can therefore be more appropriate than applying the same programme to every field.

Why is customer follow-up important after a fertiliser sale?

Follow-up helps determine whether orders were delivered correctly, whether customers have questions and whether there are additional technical or service requirements. It also supports long-term customer relationships.

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Frequently Asked Questions About the TWK Agri Fertiliser Sales Agent Job

Is the Fertiliser Sales Agent position permanent?

Yes. The vacancy is advertised as a permanent position.

Where is the job located?

The position is based in Secunda, Mpumalanga.

Which company is hiring?

The position is with TWK Agri, within its Constantia Fertiliser division.

What industry is the position in?

The position is in the agriculture industry, with a particular focus on fertiliser sales and agricultural customer support.

What qualification is required?

Candidates need Matric / Grade 12, as well as a relevant tertiary qualification in areas such as agriculture, sales or management.

Is fertiliser industry experience required?

The vacancy specifies 5 years’ experience in the fertiliser industry.

Is a BASOS certificate required?

A BASOS certificate is listed as advantageous.

Is previous sales experience important?

Yes. The position involves promoting and selling fertiliser products, developing new business opportunities, preparing proposals and maintaining customer relationships.

Is technical agricultural knowledge required?

Yes. The responsibilities include fertiliser recommendations, fertiliser programmes, soil and leaf sampling, technical assistance and crop monitoring.

Does the position require a driver’s licence or transport?

The advertisement specifically lists own transport as a requirement.

What crops are mentioned in the vacancy?

The advertised fertiliser programmes include:

• Wheat
• Canola
• Barley
• Oats
• Lupins
• Luzern
• Cover crops

When was the vacancy posted?

The vacancy was posted on 11 September 2026.

What is the closing date?

The advertised closing date is 12 October 2026.

Applicants should nevertheless verify that the vacancy remains active because employers can expire advertisements at their discretion.

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Final Thoughts

The TWK Agri Fertiliser Sales Agent vacancy in Secunda, Mpumalanga is aimed at an experienced agricultural professional who can combine fertiliser knowledge, sales ability, customer relationship management and practical crop-support skills.

The strongest candidates are likely to be those who can demonstrate experience in the fertiliser industry, understand agricultural customers and crops, communicate technical information effectively and consistently work towards sales and business-development targets.

For applicants preparing for an interview, the most important areas to revise are fertiliser products, crop nutrition, soil and leaf sampling, crop monitoring, customer relationship management, sales techniques, negotiation and agricultural business development.

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