نتایج جستجو برای: pasture soils
تعداد نتایج: 56135 فیلتر نتایج به سال:
Pastures require year-round access to water and in some locations rely on irrigation during dry periods. Currently, there is a dearth of knowledge about the potential for using mitigate N2O emissions. This study aimed losses from intensely managed pastures by adjusting frequency soil gas diffusivity (Dp/Do) thresholds. Two regimes were compared; standard treatment based farmer practice (15 mm a...
Scientists call pasture a natural eco-system and range is an agricultural eco-system. In this point of view although pasture that was full of plants growing by itself and not growing by human being (Pirdashti, 2007; Mohgadam, 2005) and two groups of living beings such as human being, plants, domesticated, and not living being like weather, Wind, gradient which are effective in making of pasture...
Dairy cows fed on perennial-ryegrass pasture produce higher-quality milk in terms of fatty-acid composition; however, they produce much less milk compared to dairy cows under other systems. The low dry-matter intake (DMI) has been identified as the main factor responsible for the lower milk production in pasture-based systems. To maximize milk production from those systems it is important to ma...
Woodlands can reduce the risk of rainfall-generated flooding through increased interception, soil infiltration and available storage. Despite growing evidence, there is still low confidence in using woodlands as a flood mitigation method due to limited empirical data, particularly for broadleaf woodlands. We measured properties streamflow nine small (<0.2 km2) upland catchments compared mature ...
• Soil CO 2 efflux in pasture-hedgerow systems was influenced by soil type. Hedgerows can act as a net C sink but drought may limit or reverse this capacity. Carbon budgets were produced for range of hedgerow land-cover scenarios (1–8%) In study we assess the potential farmland hedgerows to provide climate mitigation via carbon (C) storage, using dioxide (CO ) improve upscaling validity. Two co...
Soil-gas diffusivity and its variation with soil moisture plays a fundamental role in diffusion-controlled migration of climate-impact gases from different terrestrial agroecosystems including cultivated soils managed pasture systems. The wide contrast texture structure (e.g., density, aggregation) agriculture topsoils (0–10 cm) makes it challenging for soil-gas predictive models to make accura...
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