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发表于 2025-3-26 21:26:12
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发表于 2025-3-27 03:53:19
15N- und 14C-markierte Wurzelabscheidungen von Sommerweizen im generativen Stadiumed and grounded plant and soil compartiments were measured with a combination of C/N-analyzer and an emission spectrometer. .C was recorded with a liquid scintillation counter. The proportion of rhizodeposition on the total amount in the system was only 4 % relating to C and 2.7 % relating to .N. We
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发表于 2025-3-27 06:08:31
Sumit Nandi,G. D. R. N. Ransinchungl cotton area is now under biotech products at 15. 5 million ha. The primary bene?ts from using genetically engineered cotton inclu978-3-642-26226-5978-3-642-04796-1Series ISSN 0934-943X Series E-ISSN 2512-3696
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发表于 2025-3-27 10:38:32
A Socio-legal History of Puerto Rico: An Account of Repression, Limited Democratic Participation, abelonging, and national identity, it is indispensable to study the socio-legal and historical events that have taken place in Puerto Rico.. Performativity and experiences are always embedded in events that have antecedents (Herzfeld 2005, 24; see also Díaz Quiñones 2003, 18). In the case at hand, th
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发表于 2025-3-27 16:16:42
Robert Brinkmann,Sandra J. GarrenIncludes in its introductory chapter a review of the development of the field of sustainability since its inception in the 1980s.Each chapter includes a discussion of the obstacles that are limiting s
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发表于 2025-3-27 18:02:04
Dieter Gamerdingertion techniques, including cuttings, air-layering or tissue culture. Genetic engineering, the artificial manipulation of the genes that a plant contains, is becoming an important additional part of tree breeding programmes. Genetically engineered traits being considered in various tree species are r