Orchiectomy
发表于 2025-3-25 06:47:51
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Ascribe
发表于 2025-3-25 08:39:56
Physiological Criteria in Screening and Breeding,which can be quantified directly (e.g. yield). So why might it be necessary to consider . characteristics which are not visible, and why is it necessary to measure anything other than yield, which is, after all, the prime objective? Breeding plants for problem soils, and indeed for tolerance to many
溃烂
发表于 2025-3-25 13:52:57
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transplantation
发表于 2025-3-25 17:42:00
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Occipital-Lobe
发表于 2025-3-25 23:26:45
The Agricultural Use of Native Plants on Problem Soils,y clear plan of action: there probably were many false starts, failures, and dead ends during the domestication of those plants (Heiser 1981). Some of the questions related to crop domestication, such as “where” and “when”, are more easily answered, however, than others, such as “how” and “why” (Far
侵略者
发表于 2025-3-26 00:26:31
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microscopic
发表于 2025-3-26 07:24:33
Micronutrient Toxicities and Deficiencies in Rice,stimated that the world’s annual rough rice production must increase still further, from 519 million tons in 1990 to 758 million tons by 2020 if food production per caput is to be maintained (IRRI 1989). In Asia, where arable land is scarce and population pressure is high, most of the targeted produ
Anthrp
发表于 2025-3-26 09:21:23
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担心
发表于 2025-3-26 14:54:15
Introduction: World Population and Agricultural Productivity,, it is predicted that the human population will reach a distinct plateau (Salk and Salk 1981); these predictions are based on the change in populations in the more developed countries and analysis of animal populations. This plateau will occur at a value of between about 10 and 14 billion people (see Sadik 1990).
dandruff
发表于 2025-3-26 19:45:36
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