懒洋洋
发表于 2025-3-23 12:05:34
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overweight
发表于 2025-3-23 15:04:28
https://doi.org/10.1007/978-3-642-86115-4tually also a story of plant domestication and gender role differentiation. It is said that only after domestication did the role of women start to become more and more differentiated. Women have played the most pivotal role in the selection, storage and in situ conservation of landraces. It is impo
松紧带
发表于 2025-3-23 19:35:34
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Adrenaline
发表于 2025-3-24 01:06:34
Der Beschaffungsmarkt und seine Mechanismenuries has the development of varieties been based on scientific research. And it is only since the early twentieth century that a true commercial production of crop seeds has started to replace farmers’ selection work. Although the global exchange of the crop genetic resources (CGR), global public r
禁止,切断
发表于 2025-3-24 03:05:04
,Preußen als zweitnächster Hauptinteressent,diversity. The quality of conservation, including the security of the conserved material, depends on the sufficient and sustainable allocation of financial resources to conservation efforts, among other issues. Despite the fact that the International Fund for the financing of conservation efforts ha
Dri727
发表于 2025-3-24 10:35:10
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柔声地说
发表于 2025-3-24 13:22:58
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使成波状
发表于 2025-3-24 16:10:16
https://doi.org/10.1007/978-3-658-17792-8 food on which societies depend. Whether farmer selection practices, conventional breeding methods or techniques of genetic transformation are the principal means of seed technological change, genetic improvement of crop plants depends on the exploitation of allelic diversity and genetic recombination.
值得
发表于 2025-3-24 22:53:23
Current Expenditures on Crop Genetic Resources Activitiesve provided data on their domestic expenditures for the conservation and utilization of CGR as well as their received or contributed foreign assistance for activities related to the GPA.. These were incorporated into the existing data. Based on the newly calculated data for 1995, it can be estimated that the total amount of:
动物
发表于 2025-3-25 03:06:51
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