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Titlebook: Encyclopedia of Hydrology and Water Resources; Reginald W. Herschy,Rhodes W. Fairbridge Reference work 1998 Springer Science+Business Medi

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發(fā)表于 2025-3-26 22:54:30 | 只看該作者
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發(fā)表于 2025-3-27 05:05:11 | 只看該作者
James R. Simpsontablished principles and processes support a treasure of knowledge and wisdom that provides a foundation for applying new technologies to proven concepts and practices. These new technologies include innovative computer software, a new generation of sensors, and ingenious control devices, as well as
33#
發(fā)表于 2025-3-27 08:51:11 | 只看該作者
John F. Griffithsabiotic factors which can influence or modify responses of biological systems to stress, the orders of magnitude involved in extrapolation over both spatial and temporal scales, and compensatory mechanisms such as density-dependent responses that operate in populations. To address the problem of est
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發(fā)表于 2025-3-27 12:51:42 | 只看該作者
Jen Hu Changas been added to arable land as fertiliser in enormous quantities, all over the world. Due to its (bio)chemical “flexibility” and its mobility, nitrogen is easily lost to the environment, where it has become a major polluting element in the atmosphere, water and soil. Thus, sound management of the n
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發(fā)表于 2025-3-27 15:26:33 | 只看該作者
Samuel N. Gowardtablished principles and processes support a treasure of knowledge and wisdom that provides a foundation for applying new technologies to proven concepts and practices. These new technologies include innovative computer software, a new generation of sensors, and ingenious control devices, as well as
36#
發(fā)表于 2025-3-27 20:57:51 | 只看該作者
R. W. Herschyabiotic factors which can influence or modify responses of biological systems to stress, the orders of magnitude involved in extrapolation over both spatial and temporal scales, and compensatory mechanisms such as density-dependent responses that operate in populations. To address the problem of est
37#
發(fā)表于 2025-3-28 00:15:11 | 只看該作者
Charles R. KolbUnfamiliarity with the climate of the Great Plains and Midwest and insufficient knowledge and technology to adapt crop production systems to the soils and climate lead to a major agriculture disaster which resulted in millions of hectares of land that needed to be re-seeded to grasses. Unrestricted
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發(fā)表于 2025-3-28 04:16:20 | 只看該作者
Rhodes W. Fairbridgesystem. Treatment of tumors, as well as other forms forms of immunological disease, has been based on use of nonphysiological agents that nonspecifically alter immunocompetent cell function. The ability of natural products of the immune system to affect immune function has been documented in many st
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