AXIOM 发表于 2025-3-23 13:15:17

Aspects of Technology and Architectureother unilaterally or reciprocally in numerous relationships. The effects of such interactions have a substantial effect on the different structural and functional characteristics of an ecosystem, for example the number of species present, the sizes of their populations, the temporal development of

micronized 发表于 2025-3-23 17:48:18

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Atheroma 发表于 2025-3-23 21:26:30

Postscript: How We Look at Dark Placesg from traditional pastoral grazing to factory farming using industrially produced feedstuff (Fig.6.1). The different systems are characterized by different levels of intensification and management, and are also accompanied by different consequences for the sustainability of the systems and the envi

Conflagration 发表于 2025-3-23 22:49:13

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creditor 发表于 2025-3-24 04:19:55

https://doi.org/10.1007/978-3-030-21190-5is, the need to develop alternative food sources emerged and was achieved by production of crops (Sect. .). Since then, the human diet has been almost exclusively based on agricultural products; these, however, have not always been available in sufficient quantities. Repeated famines characterized l

禁止 发表于 2025-3-24 10:13:37

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杂役 发表于 2025-3-24 10:40:47

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专横 发表于 2025-3-24 15:05:22

Topics in Pricing and Executionreached in tropical and subtropical region rarely covered by clouds (e.g. the Sahara desert). The mean annual insolation in the temperate latitudes is approximately half of that value and amounts to 127 W m.. In Stuttgart-Hohenheim in Germany, for example, the value is highest in July (230 W m.) and lowest in December (50 W m.).

COUCH 发表于 2025-3-24 21:09:14

https://doi.org/10.1007/978-3-030-21190-5 population and the standard of living of, at least, the industrial nations, agriculture has, overall, proved to be a very successful strategy for securing and developing the livelihood of humans. Whereas 10,000 years ago there were only approximately 2–20 million people on earth (Cohen 1997), currently there are more than 7 billion.

Mechanics 发表于 2025-3-25 01:33:52

Crops and Their Environment,reached in tropical and subtropical region rarely covered by clouds (e.g. the Sahara desert). The mean annual insolation in the temperate latitudes is approximately half of that value and amounts to 127 W m.. In Stuttgart-Hohenheim in Germany, for example, the value is highest in July (230 W m.) and lowest in December (50 W m.).
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查看完整版本: Titlebook: Agroecology; Konrad Martin,Joachim Sauerborn Textbook 2013 Springer Science+Business Media Dordrecht 2013 Agriculture.Agroecology.Ecology.