Sustainability of Post-Green Revolution Agriculture:

The Rice-Wheat Cropping System of South Asia

BACKGROUND SUMMARY REPORT

February 1997 - September, 1999

Submitted to the External Review Panel of the Soil Management CRSP

by

Cornell University

Project Principle Investigators:

John M. Duxbury and Julie Lauren

Dept. of Soil, Crop & Atmos. Sciences

235 Emerson Hall

Cornell University

Ithaca, NY 14853

Contents

I. Nutrient Deficiencies

1. Soil Fertility Surveys

2. Soil Test Based Nutrient Recommendations

3. On-Farm Evaluation of K and Zn Deficiencies

4. Breeding for Improved Varieties of Rice and Wheat

5. Boron and Crop Sterility

6. Micronutrient Enrichment of Wheat and Rice

7. Integrated Nutrient Management

II. Soil Acidity

1. Lime and Micronutrient Interactions

III. Soil Degradation

A. Physical

1. Tillage Experiments

B. Biological

1. Solarization Trials

2. Pathology Surveys

IV. Socio-Economic Activities

A. Socio-Economic Analyses

B. Socio-Economic Surveys

V. Summaries of Other Activities and Collaborators

1. Surveys

2. Technology Adoption Workshops/Meetings

3. Human Resource Development

4. Collaborators

VI. Graduate Student Programs