海量图书期刊资源,随时随地畅享阅读乐趣
The Potato Crop || Breeding new varietiesHarris, Paul M. · 1992
The Development of New Crop VarietiesR. A. Kempton and M. Talbot · Journal of the Royal Statistical Society. Series A (Statistics in Society) · 1988
NEW CROP VARIETIES: IMPACT ON DIVERSIFICATION AND STABILITY OF YIELDSCLEM TISDELL; MOHAMMAD ALAUDDON · 1989
Farmer-to-farmer transfer of new crop varieties: an empirical analysis on small farms in UgandaW. Grisley · 1994
Farmerâtoâfarmer transfer of new crop varieties: an empirical analysis on small farms in UgandaGrisley, W. · Agricultural Economics · 1994
FACTORS AFFECTING THE ADOPTION OF LEGUMINOUS COVER CROPS IN NIGERIA AND A COMPARISON WITH THE ADOPTION OF NEW CROP VARIETIESMORSE, S.; McNAMARA, N. · Experimental Agriculture · 2003
International and Institutional R&D Spillovers: Attribution of Benefits among Sources for Brazil's New Crop VarietiesPhilip G. Pardey, Julian M. Alston, Connie Chan-Kang, Eduardo C. Magalhães and Stephen A. Vosti · American Journal of Agricultural Economics · 2006
Nature: Aphorisms by GoetheHUXLEY, T. H. · Nature · 1869
Protoplasm at the AntipodesNature · 1869
Science-Teaching in SchoolsTUCKWELL, W. · Nature · 1869
The Late Professor GrahamWILLIAMSON, A. W. · Nature · 1869
Triassic DinosauriaHUXLEY, T. H. · Nature · 1869
The Suez CanalLOGIN, T. · Nature · 1869
NotesNature · 1869
AstronomyNature · 1869