Step 1: Understanding the Concept:
Identifying the publishers of prominent national and international agricultural research journals is a common requirement in agronomy exams.
Step 2: Detailed Explanation:
- Soil Conservation Society of India (SCSI), New Delhi: Publishes the "Journal of Soil and Water Conservation" (Indian edition), which features research on soil health, watershed management, and erosion control.
- Indian Association of Soil and Water Conservationists (IASWC), Dehradun: Publishes the "Indian Journal of Soil Conservation".
- Therefore, the "Journal of Soil and Water Conservation" is published by SCSI, New Delhi.
Step 3: Final Answer:
The publisher is the Soil Conservation Society of India, New Delhi.