Untitled - CGIAR Impact

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Contents
Foreword
Preface
OUTPUT AND SUPPLY
Exploring the gap between potential and actual rice yields:
the Philippine case
R.W. Herdt and T.H. Wickham
Comments on “Exploring the gap between potential and
actual rice yields: the Philippine case”
A.A.M. Ekramul Ahsan
Structural changes in rice supply relations:
Philippines and Thailand
J.F. Sison, Somsak Prakongtanapan,
and Y. Hayami
Comments on “Structural changes in rice supply relations:
Philippines and Thailand”
J.G. Ryan
3
25
31
49
FARM INCOME STRUCTURE
Costs and returns for rice production
R. W. Herdt
Comments on “Costs and returns for rice production”
P.H. Calkins
Shares of farm earnings from rice production
C.G. Ranade and R. W. Herdt
Comments on “Shares of farm earnings from rice
production”
R.S. Sinaga and B.M. Sinaga
LABOR AND MECHANIZATION
Labor utilization in rice production
R. Barker and V.G. Cordova
Comments on “Labor utilization in rice production”
K. Griffin
Mechanization and use of modern rice varieties
B. Duff
63
81
87
105
113
137
145