نتایج جستجو برای: soil bulk density
تعداد نتایج: 646486 فیلتر نتایج به سال:
The glycoprotein known as glomalin-related soil protein (GRSP) is abundantly produced on the hyphae and spores of arbuscular mycorrhizal fungi (AMF) in soil and roots. Few studies have focused on its amount, composition and associations with soil properties and possible land-use influences, although the data hints at soil rehabilitation. By choosing a primary forest soil as a non-degraded refer...
The assumption that seeds imbibe most of the water required for germination as liquid through seed-to-soil contact has been a dominant theme in germination research and seeding technology. Under most conditions, seeds are also exposed to water vapour during imbibition, but the relative contributions of liquid and vapour are difficult to assess. In water uptake models that include vapour, proced...
Relationships between Soil Crust Development and Soil Properties in the Desert Region of North China
This study investigated the effects of soil crust development on the underlying soil properties. The field sampling work was conducted in June 2016 in the Hobq Desert in Inner Mongolia, North China. Soil crust samples and 0–6, 6–12, 12–18, 18–24, 24–30 cm deep underlying soil samples were taken from five representative areas of different soil crust development stages. All samples were analyzed ...
Soil infiltration processes manage runoff generation, which in turn affects soil erosion. There is limited information on infiltration rates. In this study, the impact of vine age on soil bulk density (BD) and hydraulic conductivity (Ks) was assessed on a loam soil tilled by chisel plough. Soil sampling was conducted in the inter row area of six vineyards, which differed by the age from plantin...
The aim of this paper was to investigate the recreational impacts on some soil properties (sand, silt, clay pH, electrical conductivity, organic carbon, bulk density, fine soil weight, compaction and saturation capacity), and litter (unit weight-mass, organic matter content (%) and organic matter mass) properties in a picnic area by comparing an undisturbed area in Istanbul Belgrad Forest-Turke...
3.2. Effects on soil health, quality and fertility 3.2.1. Soil organic matter 3.2.2. Biological properties 3.2.3. Chemical properties 3.2.3.1. pH 3.2.3.2. N 3.2.3.3. P 3.2.3.4. K 3.2.3.5. Other elements 3.2.3.6. Electrical conductivity 3.2.3.7 Cation Exchange Capacity 3.2.4. Physical properties 3.2.4.1. Water holding capacity and porosity 3.2.4.2. Bulk density/Penetration resistance 3.2.4.3. Ag...
The sustainability of land management was assessed for a sugar cane plantation using soil Ž . chemical and physical properties as indicators. The plantation 6000 ha was established in 1979 on a broad alluvial plain and the majority of the soils are classified as Eutric and Mollic Fluvisols Ž . Ž . 73% and Eutric Vertisols 23% . Average annual rainfall is about 2000 mm with a dry season Ž from M...
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