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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The Effect of Tillage and Mesorelief on the Structure of Soil Microbial Cenoses
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The effect of primary tillage practices on the agrophysical properties of southern Chernozems in the Volga region
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Changes in the agrophysical properties of chernozemic soil upon different modes and depths of primary tillage operations have been studied.
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It is shown that the amount of water-stable aggregates with a diameter larger than 0.25 mm varies within 70-80% upon different practices of primary tillage in the crop rotation system.
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A part of the Brut 2 burial site was subjected to intensive agricultural use (more than 30-year-long irrigation and regular tillage).
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Increased vegetation cover and change in farming techniques were suggested to prevent and control wind erosion of sand and soil.
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The species composition and population densities of foraminifera were studied in scallop farming grounds in Alekseev Bight (Amurskii Bay, Sea of Japan).
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When the scallop mariculture farm was in operation, the species composition of foraminifera in farming grounds was impoverished and their population densities were an order of magnitude lower than at more distant locations.
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Between 1988 and 1995, after the liquidation of the farm, the species diversity and population density of foraminifera in farming grounds increased, while there was a general decline of the foraminifera population in the bay.
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The contribution of the Yama population to the gene pool of the Ola chum salmon, (both by natural reproduction and by farming) is small in spite of many large-scale transplantations.
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Results of this study provide a theoretical basis for the directive cultivation of natural poplar-birch forests.
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Based on strengthening cultivation and management, integrated control measures were put forward including physical, biologic and chemical methods.
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Selection, propagation and cultivation of Pinus massoniana clones for pulp use
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The spore germination, protonemal development, and gametophyte differentiation of Hypnum pacleseens were observed in cultivation.
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Isolation and cultivation of murine hematopoietic stem cells and expression of hFIX mediated by recombinant lentiviral vectors i
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Performance and productivity of animal husbandry depend on the health of animal mothers and their offspring.
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Antibacterial substances are used in considerable amounts as growth promoters in animal husbandry.
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They also suggest that fish from the risk-avoiding/non-aggressive end of the behavioural spectrum may fail to flourish in conditions that usually prevail in intensive husbandry systems.
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Rattan husbandry and its potentiality for income generation in the village groves of floodplain area of Bangladesh
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This paper focuses on the husbandry of rattan, its processing, marketing and potentialities of raising the household income of the growers in the floodplain area of Bangladesh.
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