Soil direct

Author: s | 2025-04-24

The highest soil direct N 2 O emissions were recorded in soils received ammonium nitrate while soils received agricultural wastes exhibited substantially lower soil direct N 2 O

Soil Direct on the App Store

A roller compacted rockfill sandstone from in-situ direct shear test. Soil Mech Found Eng 53:30–34. Google Scholar Xu W, Xu Q, Hu R (2011) Study on the shear strength of soil-rock mixture by large scale direct shear test. Int J Rock Mech Min Sci 48(8):1235–1247. Google Scholar Meyerhof GG (1953) The bearing capacity of foundations under eccentric and inclined loads. Proc 3rd Int Conf Soil Mech Found Eng 1: 440–445ASTM D2487-17 (2020) Standard practice for classification of soils for engineering purposes (Unified Soil Classification System), ASTM International, West Conshohocken, PAHG/T20693-2006 (2006) Specification for field direct shear test of rock and soil mass. China Planning Press, Beijing (in Chinese)ASTM D4554-12 (2021) Standard test method for in situ determination of direct shear strength of rock discontinuities. ASTM International, West Conshohocken, PADB51/T5026-2001 (2001) Code for design of building foundation in Chengdu, Southwest Jiaotong University Press, Chengdu (in Chinese)TB10018-2018 (2018) Code for in-situ testing of railway engineering geology. China railway Press, Beijing (in Chinese)GB/T50480-2008 (2008) Code for in situ tests of geotechnical engineering investigation of metallurgical industry. China Architecture & Building Press, Beijing (in Chinese)DB21/T907 (2015) Technical code for building foundation of Liaoning province. Liaoning construction design and research institute. Liaoning science and technology press, Shenyang (in Chinese)Carter M, Bentley SP (2016) Soil properties and their correlations. Wiley, Boca Raton, FLBook Google Scholar Brinch Hansen J, Lundgren H (1958) Geoteknik. Teknisk Forlag, KopenhagenZeigler TW (1972) In situ tests for the determination of rock mass shear strength. US army engineer waterways experiment station, MississippiHua J, Zheng J (2017) Geological engineering handbook. China Architecture Publishing, Beijing (in Chinese) Google Scholar Liu S (2009) Application of in situ direct shear device to shear strength measurement of rockfill materials. Water Sci Eng 2(3):48–57. Google Scholar Jiang G, Fumio T, Alessandro F, Junichi K (1997) Inherent and stress-state-induced anisotropy Mechanics in engineering practice, 3rd edn. Wiley, New York Google Scholar Saada AS, Townsend FC (1981) State of the art: laboratory strength testing of soils. ASTM Spec Tech Publ. Google Scholar Potts DM, Dounias GT, Vaughan PR (1987) Finite element analysis of the direct shear box test. Geotechnique 37:11–23. Google Scholar Australia S (1998) Methods of testing soils for engineering purposes, method 6.2.2: soil strength and consolidation tests: determination of the shear strength of a soil: direct shear test using a shear box. Australian Standard, SydneyASTM D3080-98 (1998) Standard test method for direct shear test of soils under consolidated drained conditions, ASTM International, West Conshohocken, PAJewell RA, Worth CP (1989) Direct shear tests on sand. Geotechnique 39(2):309–322. Google Scholar Q181C (2020) Effective angle of internal friction at constant volume conditions for granular materials. Department of Transportation and Main Roads, QueenslandBauer GE, Zhao Y (1993) Shear strength tests for coarse granular backfill and reinforced soils. Geotech Test J 16:115–121. Google Scholar Biabani MM, Indraratna B, Nimbalkar S (2016) Assessment of interface shear behaviour of sub-ballast with geosynthetics by large-scale direct shear test. Proc Eng 143:1007–1015. Guzman EMB, Stafford D, Alfaro MC, Doré G, Arenson LU (2018) Large-scale direct shear testing of compacted frozen soil under freezing and thawing conditions. Cold Reg Sci Technol 151:138–147. Google Scholar Xu D, Liu H, Rui R, Gao Y (2019) Cyclic and postcyclic simple shear behavior of binary sand-gravel mixtures with various gravel contents. Soil Dyn Earthq Eng 123:230–241. Google Scholar Nakao T, Fityus S (2008) Direct shear testing of a marginal material using a large shear box. Geotech Test J 31(5):393–403Article Google Scholar Matsuoka H, Liu S, Sun D, Nishikata U (2001) Development of a new in-situ direct shear test. Geotech Test J 24:92–102Article Google Scholar Wang J, Yang Y, Chai H (2016) Strength of

Soil Direct in Sunland, CA -

Gently grasp the plant and pull to remove. Shake off excess soil but don’t overly disturb the root system. Fill the new pot with succulent soil mix and repot the plant to a similar depth as before. Withhold water for a few days and up to a week to allow the plant to acclimate before watering. Common Problems With Devil’s Backbone When given the right growing conditions, a devil’s backbone plant is relatively easy to care for. However, problems with the plant’s foliage are typically the first warning signs of a problem with light or moisture levels. Here’s what to watch out for. Curling Leaves If the pointed leaves of a devil’s backbone plant begin to curl, incorrect light levels are likely to blame. With too much direct sun, the plant may curl its leaves as a defense against burning. A devil’s backbone plant may also have curling leaves if it’s not receiving enough light. Monitor the plant to ensure that it’s not receiving too much direct sun, especially in the late afternoon for plants in a west-facing window location. Leaves Turning Yellow Yellow leaves on a devil’s backbone plant may be caused by overwatering. Too much soil moisture can lead to root rot, which will first begin under the soil surface before manifesting with symptoms like yellowing leaves. Withhold water until the soil dries; if root rot has developed, you may need to repot the plant and trim away any slimy, foul-smelling roots. Plant Leaves Falling Off A devil’s backbone plant may drop leaves if the plant experiences stress. Most often, this is because of underwatering. Although the plant shows some resistance to drought, it does best with a consistent watering routine, especially during the growing months. Water to restore soil moisture but resist the urge to overcorrect. Monitor the plant after watering and water again when the top few inches of soil are dry to the touch.FAQ It's rare for this plant to flower indoors, so if you want a devil's backbone plant to flower, you may need to move it to an outdoor location. You should only. The highest soil direct N 2 O emissions were recorded in soils received ammonium nitrate while soils received agricultural wastes exhibited substantially lower soil direct N 2 O

‎Soil Direct on the App Store

Top leaves can be cut in half to direct energy into root development.Set in bright, indirect light. Place in a warm spot to receive bright, indirect light. Direct light will be too strong.Change water weekly. Roots appear in two to three weeks.Transplant the cutting. Once roots are 1 to 2 inches long, transplant the cutting to a pot with fresh soil. Water deeply and place in bright, indirect light. Propagate in Soil To root cuttings in soil, begin with steps 1 and 2 listed above. Dip the bottom in rooting hormone and insert it into a pot filled with well-draining potting soil. A pot at least 6 inches in diameter with drainage holes is usually sufficient. Firm soil to keep the cutting upright and cover with a plastic bag. Place in a warm location with bright, indirect light. After two weeks begin checking for root growth by tugging gently on the cutting. Resistance indicates success. Potting and Repotting Fiddle Leaf Fig Plan to repot a young fiddle leaf fig annually every spring. Select a sturdy container that is roughly 2 inches larger in diameter than the existing one. Gently loosen the plant from its current pot, lift it out while supporting its base, and place it in the new pot. Fill in around the plant with potting mix. If mature plants are too large to repot, remove the top several inches of soil each spring and replace it with fresh soil. TipIf your decorative pot lacks drainage, plant in plastic and set it inside the prettier pot. Make sure to drain all excess water before replacing the plant in the decorative container. Common Pests & Plant Diseases The large, fiddle-shaped leaves on this fig let you know if problems arise. These plants don’t have serious pest or disease issues, but houseplants can attract spider mites, scale insects, and fungal diseases. Watch for spots, dark patches, or white webbing on the leaves. Neem or horticultural oil often eradicates pests. Otherwise, treat with a fungicide or pesticide.Pests to WatchThough they aren't known for being prone to pests, fiddle leaf figs may deal Species diversification (through proper crop rotation)(Source: Food and Agriculture Organization of the United Nations)The theory is that respecting these three principles will improve the overall soil quality which prevents soil erosion, nutrient runoff and other issues while at the same time improving the ecosystem in and above the soil.Farming Simulator 2022 already provides the following things for these principles:– Direct seeders and direct planters– Oilseed radish as pure cover crop– One fertilizer stage (base game) or 25kg/ha nitrogen (Precision Farming DLC) when direct seeding into or cultivating growing cropsThis is already a good start, but it’s not possible to get both the mulching and fertilizing bonus from oilseed radish, and the fertilizing bonus doesn’t offset the fuel, repair and seed costs for planting cover crops, at least with the Precision Farming DLC active.This mod therefore introduces mulching or roller crimping of cover crops with a large enough fertilization bonus.Note that with precision farming, nitrogen will be set to the lowest requirement of any base game crop, which is sunflowers (soybeans completely ignore nitrogen). While this means you still have to apply chemical fertilizer for most crops, you will never have to deal with planting into an overfertilized field afterwards. You need to have valid soil samples for the effect to be applied.This allows field work loops like the following:Harvest crop -> Apply lime -> direct seed cover crop -> roll or mulch when ready (this also fertilizes) -> direct seed/plant different crop -> handle weeds and remaining nitrogen -> rinse and repeatIt is recommended to turn periodic plowing off; field stones can be left on since no tillage equipment is being used.This mod is compatible with the Precision Farming DLC and the Crop Rotation mod (available on github).In case of bugs, please create an issue at my GitHub repository.Special thanks to Matthias, FS Gentleman and Cookie Cat for help and ideas provided to make this mod possible.

EU Soil Framework Directive - ClientEarth

Used in concrete or additives. However, studies have also demonstrated that the risk of contamination from concrete is generally low when compared to other potential sources of contamination.To minimize any potential risks, certain practices can be implemented when using concrete for vegetable gardening. One approach is to create a barrier between the concrete and the soil by lining or sealing it. This will help prevent direct contact between the soil and any potential contaminants leaching from the concrete. Additionally, using an organic compost or topsoil layer on top of the concrete can act as a protective barrier.Regular soil testing can also provide valuable information about any existing contamination levels. Testing for heavy metals and other contaminants before establishing a vegetable garden can help determine if additional precautions are necessary or if alternative gardening methods should be considered.Potential ContaminantsHealth RisksMinimizing RisksLeadImpaired brain and nervous system development, kidney damage, increased blood pressure – Create a barrier between concrete and soilRegular soil testing for lead levels.Use organic compost or topsoil layer on top of the concreteCadmiumKidney damage, bone health issues, potential carcinogenic effects – Line or seal the concrete to prevent direct contact with the soilTest soil for cadmium contamination.Consider alternative gardening methods if high levels are detectedChromiumSkin irritation, respiratory issues, potential carcinogenic effects (hexavalent chromium) – Regular monitoring of soil and water quality for chromium levelsConsult with experts or local extension services for guidance on safe practicesChoosing the Right Type of Concrete for Vegetable GardensConcrete is a commonly used material for creating a solid foundation in vegetable gardens. However, not all types of concrete are suitable for this purpose. When choosing the right type of concrete for your vegetable garden, it is important to consider factors such as porosity, sustainability, and potential chemical leaching.One option to consider is traditional concrete, which is made from a mixture of cement, sand, and aggregate. Traditional concrete is widely available and affordable, making it a popular choice for many gardeners. However, it has limited permeability, which can lead to poor drainage and waterlogging in the garden beds.This can be detrimental to the health of your plants and increase the risk of root rot. Therefore, if you choose to use traditional concrete in your vegetable garden, it is crucial to ensure proper drainage by incorporating amendments such as gravel or creating channels for water flow.Another option to consider is porous or pervious concrete. This type of concrete

The consequences of the European Soil Framework Directive for

Foliage.Pests and diseases can also contribute to yellowing leaves. Inspect your roses regularly for signs of aphids, spider mites, or fungal infections like black spot. Use appropriate treatments, such as insecticidal soap or fungicides, to address these issues promptly. Pruning affected leaves and ensuring good air circulation around the plants can also help prevent and control infections.Lastly, environmental factors such as extreme temperatures and insufficient sunlight can stress your roses, causing yellow leaves. Ensure your roses receive at least six hours of direct sunlight daily and protect them from harsh weather conditions. By addressing these key areas, you can effectively treat and prevent yellow leaves, keeping your roses vibrant and healthy.Preventing Yellow Leaves on Rose Bushes: Key StrategiesThe sight of yellow leaves on your rose bush can be alarming, but with a few strategic measures, you can maintain their lush green foliage. Begin by ensuring your roses receive the right amount of water. Overwatering or underwatering can stress the plant, leading to yellow leaves. Aim for a consistent watering schedule, ideally soaking the soil deeply once a week rather than light daily watering.Next, focus on soil health. Roses thrive in well-draining soil rich in organic matter. Conduct a soil test to check for nutrient deficiencies, particularly nitrogen, iron, and magnesium, which are vital for healthy foliage. Amend the soil with compost or specific fertilizers to address any deficiencies.Pest and disease control is equally important. Regularly inspect your rose bushes for signs of aphids, spider mites, or fungal infections, which can cause yellowing leaves. Use appropriate treatments such as insecticidal soaps or fungicides to keep these issues at bay. Pruning affected areas can also prevent the spread of diseases.Finally, ensure your roses get adequate sunlight. Roses require at least six hours of direct sunlight daily. If planted in a shaded area, consider transplanting them to a sunnier spot to promote healthier growth and prevent yellow leaves.ConclusionUnderstanding the reasons behind rose leaves turning yellow is essential for maintaining the health and beauty of your garden. By ensuring proper watering, maintaining soil health, controlling pests and diseases, and providing adequate sunlight, you can prevent this common issue and keep your roses thriving. With these strategies in place, your roses will continue to flourish, displaying their vibrant colors and lush foliage, enhancing the charm and elegance of your garden. Take these steps to ensure your roses remain robust and vibrant, bringing joy and beauty. The highest soil direct N 2 O emissions were recorded in soils received ammonium nitrate while soils received agricultural wastes exhibited substantially lower soil direct N 2 O Table 4a - MSCs for Inorganic Regulated Substances in Soil: Direct Contact Values Data Merger Criteria for PA Soil: Direct Contact (mg/Kg) (PA-RDCS) Soil MSCs for Residential Soil (0-15

Implications of the proposed Soil Framework Directive on

Element is a global network of environmental soil analysis labs, providing accurate and reliable soil testing services across industries, including oil & gas, industrial, commercial, agricultural, government, and private customers, to help them meet regulatory requirements.Working out of advanced testing laboratories, our team of experts uses the latest technologies to deliver a wide range of soil analysis services, from toxicity testing to nutrient analysis. Thanks to our global presence, we are sure to have a soil testing laboratory in your region, contact us to connect with our experts.Comprehensive laboratory soil testing servicesElement’s soil testing labs across the globe analyze different types of soils, sediments, and wastes, plus the soluble fractions of these matrices by preparing leachates in the laboratory before testing. The results are used to investigate soil nutrient levels and contamination in green or brownfield sites, including waste from processes such as production, mining, quarrying, or drilling. We work in partnership with our clients to provide reliable data for the full spectrum of soil analysis, including volatile and semi-volatile organic compounds (VOCs and SVOCs), metals, petroleum/oil-derived compounds, inorganics, and asbestos.Our soil testing experts understand the need for effective soil sampling and handling techniques to offer advice on best practices for environmental sampling and the various test methods. Element’s long history and extremely high standards have helped to make us among the most trusted soil testing companies in the world.Our environmental testing laboratories also work with agricultural clients to determine fertilizer recommendations and achieve maximum crop quality and revenue through expert soil analysis. We help to understand soil pH, fertility, acidity, organic matter, and nutrient content, as well as any presence of potentially harmful organisms.Soil index testing Moisture content by oven-drying method Liquid limit by Cassagrande apparatus method Liquid limit by cone penetrometer method Plastic limit and plasticity index Shrinkage characteristics by linear shrinkage Density by linear measurement method Particle Density by Gas Jar Method and small pyknometer method Particle size distribution by sieving (wet and dry) and hydrometer method Soil strength test methods Unconfined compressive strength Shear strength by laboratory vane method Undrained shear strength in triaxial compression (without pore pressure measurement) Undrained shear strength in triaxial compression with multistage loading (without pore pressure measurement) Consolidated-undrained triaxial compression with pore pressure measurement Consolidated-drained triaxial compression with measurement of volume change Unconsolidated-undrained triaxial compression test with pore pressure measurement Determination of shear strength by direct shear