Plant Nutrition Expert

Alpheva; United States; Remote; USD 220,000 - 289,000; Part time

Job summary

Alpheva is seeking a senior fertilizers expert to support AI evaluation projects focused on nutrient plans, soil tests, application rates, and environmental impacts. You will review model responses and worked examples for accuracy, identify unsupported input and incorrect assumptions, and provide reference answers with justified corrections.

This is a remote, contract-based engagement with flexible matching on scope and hours.

Qualifications

• 7+ years of substantive experience in plant nutrition or fertilizer management.
• Senior-level judgment in nutrient plans, soil tests, application rates, and environmental impacts.
• Ability to write precise reference answers, assess approaches, and justify corrections with traceable evidence.

Responsibilities

• Write reference answers and scoring criteria grounded in nutrient plans, soil tests, application rates, and environmental impacts. Explain consequential errors, evidence gaps, and the reasoning behind your corrections.
• Review model responses and worked examples for unsupported input recommendations, incorrect field assumptions, and production or quality risks.

Skills

Plant nutrition

Fertilizer management

Soil tests

Job description

Bring senior fertilizers expertise to AI evaluation projects focused on nutrient plans, soil tests, application rates, and environmental impacts.

Review model responses and worked examples for unsupported input recommendations, incorrect field assumptions, and production or quality risks. Assess whether the reasoning meets professional standards for the stated task.

Write reference answers and scoring criteria grounded in nutrient plans, soil tests, application rates, and environmental impacts. Explain consequential errors, evidence gaps, and the reasoning behind your corrections.

This is remote, project-based contract work. Scope, hours, and assignments depend on project matching; the listed hourly range applies to matched work.

Requirements

• 7+ years of substantive experience in plant nutrition or fertilizer management.
• Demonstrated senior-level judgment in nutrient plans, soil tests, application rates, and environmental impacts, with substantial responsibility for reviewing or delivering this work.
• Ability to write precise reference answers, assess competing approaches, and justify corrections with traceable evidence.

Pay

$160-210/hr

Alpheva is a new expert network (launched September 2026); payout methods are not published yet, so confirm your first payment before scaling up.