ULTIMATE LIMITS OF CROP PRODUCTION

[21] THE PHYSIOLOGICAL BASIS OF VARIATION IN YIELD [J]. ADVANCES IN AGRONOMY, 1952, 4 : 101 - 145

[22] COMPARATIVE PHYSIOLOGICAL STUDIES ON THE GROWTH OF FIELD CROPS .1. VARIATION IN NET ASSIMILATION RATE AND LEAF AREA BETWEEN SPECIES AND VARIETIES, AND WITHIN AND BETWEEN YEARS [J]. ANNALS OF BOTANY, 1947, 11 (41) : 41 - 76

[23] YAPP WB, 1958, BIOLOGICAL PRODUCTIV, P91

[21] THE PHYSIOLOGICAL BASIS OF VARIATION IN YIELD [J]. ADVANCES IN AGRONOMY, 1952, 4 : 101 - 145

[22] COMPARATIVE PHYSIOLOGICAL STUDIES ON THE GROWTH OF FIELD CROPS .1. VARIATION IN NET ASSIMILATION RATE AND LEAF AREA BETWEEN SPECIES AND VARIETIES, AND WITHIN AND BETWEEN YEARS [J]. ANNALS OF BOTANY, 1947, 11 (41) : 41 - 76

[23] YAPP WB, 1958, BIOLOGICAL PRODUCTIV, P91