#Agriculture and Soil Science
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ketyoulater · 2 years ago
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mindblowingscience · 8 months ago
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Strategies deployed for the restoration of degraded land have had promising results in Brazil's semi-arid region, improving the microbial properties of the soil and contributing to a return of native ecosystem services. The techniques include removal of cattle or restriction of their access to specific areas of pasture; cultivation of cover crops; and terracing to control erosion. Recovery of soil microbial properties maintains biodiversity and raises crop yields, contributing to agricultural sustainability. These are the main findings of a study reported in the Journal of Environmental Management by a Brazilian research group comprising scientists affiliated with the University of São Paulo (USP), the Federal University of Piauí (UFPI), the Federal University of Ceará (UFC), and the Federal University of the Agreste of Pernambuco (UFAPE). The review article encompasses 18 studies conducted in the semi-arid region, especially the Caatinga, a local biome consisting mainly of deciduous thorn forest.
Continue Reading.
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wachinyeya · 7 months ago
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https://www.newfoodmagazine.com/news/227272/corn-plants-solution-arsenic-contaminated-soil-challenges/
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technoregression · 3 months ago
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ngl kinda pissed off with the way the world works like you spend your first 10 20 years just learning learning learning:
when you draw, by hand, a graph and it has an asymptote, you must not in any way indicate that the line diverges or moves away from the asymptote. the formula for calculating temperature loss in an environment!! that was my favourite :<
nutrient agar would be described as a control, a negative control to be precise because in this instance, no growth is expected. a "lawn" of bacteria in a Petri dish is when all individual colonies in an agar plate merge to form a field, or mat, of bacteria
Gel electrophoresis of DNA. endonucleases (restriction enzymes) hydrolyse (cut) the phosphodiester bonds at specific DNA base pair sequences. In the bacteria, the restriction enzymes cut DNA as a protective mechanism against invading foreign DNA. smaller fragments can move faster through the agarose matrix from the cathode to the anode, even though the larger fragments (i.e., 23kb) are more electronegative.
if animals are stressed before slaughter, you may end up with either PSE (pale, soft, exudative - severe short term stress) or DFD (dry, firm, dark - longer term stress). This is because they either suffer a rapid breakdown of muscle glycogen (PSE), or their muscle glycogen is used up during handling, transport, before and after slaughter (DFD).
the literary devices employed by the author work in tandem to elicit an emotional response from the reader by appealing to their sense of humanity, as well as an imagined psychological trauma.
data can be stored on a hard drive next to each other in physical space and we call this contiguous. It's useful for certain data structures, sometimes necessary. But you may not have enough free memory to access or execute programs if it needs to be contiguous. This is where something like a linked list data structure can come in handy.
Metamorphic rocks are are those that have been altered by external forces, such as (and typically) pressure and temperature. Eluviation is the process of clay leaving the A1/A2 horizons and heading toward the B horizon. Illuviation is clay accumulating into the B horizon. Leaching is just the movement of other things like phosphate, nitrates, etc, downward toward bedrock. The triangular soil texture (clay/silt/sand) diagram!
K(S) + H2O(I) → H2(g) + KOH (no idea what this even meant tbh)
I used to know all of that, and more, all at once. But now here I am filling out forms for people and scanning their documents and liaising with insurance, medical, financial, and other companies on their behalf.
"Why am I learning trig? When will we ever need this?" truth is little Timmy, you (on average) won't get to use it, you (on average) won't experience the joy of using these magnificent tools we get to learn at a young age, you (on average) will be robbed of every opportunity to experience this magic.
So. Enjoy it...
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ecosystemscenes · 7 months ago
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Heavy spring rain physically breaks down exposed soil leading to soil erosion. Year-round ground cover protects the soil surface and enhances infiltration. Supplemental tile drainage increases infiltration and flow of water to reduce ponding. Drainage from this field with perennial grasses runs clear after days of saturating rains. 
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sock-ness-monster · 2 years ago
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fearofthefourthdimension · 1 year ago
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It's relevant I swear
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farmerstrend · 2 days ago
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A Sustainable Solution to Flood-Ravaged Kenyan Communities: Chinese-funded Bamboo Agroforestry Initiative
Discover how bamboo farming along Kenya’s Nzoia River is helping farmers prevent floods, restore degraded land, and create new income sources through eco-friendly products. Learn how a China-funded bamboo agroforestry project is empowering Kenyan farmers to protect against floods, improve food security, and boost livelihoods with sustainable practices. Explore how bamboo cultivation is…
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agreads · 2 months ago
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Launching RegenIQ: A Scalable, Data-Driven Framework Driving the Adoption of Regenerative Agriculture
Agmatix, a leading agricultural data and AI-powered technology company, announces the launch of RegenIQ at the Regenerative Agriculture Summit in Europe. RegenIQ is designed to drive the adoption of regenerative agriculture by offering a structured approach to assessing the impact of field-level efforts, supporting both environmental health and productivity. Aligned with regenerative…
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by-jessica-achillea · 5 months ago
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The Science Behind Soil pH for Your Garden
Soil pH is a crucial factor in gardening that affects plant health, nutrient availability, and microbial activity. Understanding soil pH and its management can significantly enhance a gardener’s ability to cultivate healthy and productive plants. Here in this guide, are things you need to understand on pH and soil is here, so keep this guide handy. Let this article help keep your garden and…
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gardeningwithkirk · 6 months ago
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quotesfromall · 9 months ago
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In 1937, Washington began an aggressive campaign to encourage Dust Bowlers to adapt planting and plowing methods that conserved the soil. Once again farmers ran their tractors from dawn to dusk, this time to prevent barren fields from blowing. In 1938, the massive conservation crusade had reduced the amount of blowing soil to 65 percent.
Carol Chaitkin, Let's Review: English
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hollywoodlights · 11 months ago
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Check this out! 🌱🫶
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whats-in-a-sentence · 11 months ago
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SOIL COMPOSITION TEST – IN A JAR
The ideal ratio of the three mineral components of soil is about 40 per cent sand, 40 per cent silt and 20 per cent clay.
Sandy soil can drain nutrients more quickly, as water passes through it faster. Clay soil can be too dense to allow much of the vital air that soil life needs, and can get more waterlogged – though all of that is also dependent on soil life.
To see how your soil stacks up in terms of general sand, silt and clay composition is really easy. All you need is a jar, water and a ruler.
Find a large, tall, straight-sided jar that has a lid; ideally the jar should be about 1 litre (4 cup) capacity. Dig up soil from the patch you want to test, discarding the organic matter (sticks, dead grass and the like) right on the top. You want to test your soil right down to about 20 centimetres (8 inches) below the surface, so dig an evenly deep hole and mix up the soil in a bucket, taking multiple samples if you want to get a broad idea of your garden. As you mix the soil up, discard any rocks or large pieces of organic matter.
Fill your jar about one-third to half full with soil. Add enough water to come about nine-tenths up the side of the jar, leaving enough room to be able to shake it. Add half a teaspoon of dishwashing detergent if you have it, to help separate the soil components. Pop the lid on and shake the jar well for about three minutes.
Leave the jar on a bench, undisturbed, for a day or so. After that time, you'll find that the jar contents will have separated into layers. On the surface of the water will be organic matter. Below that, there should be water, probably discoloured with dissolved organic matter. The next layer down is clay, below that is silt – and below that is sand which, being heavier, should have sunk to the bottom.
Use a ruler to measure the total volume of the sediment, and the depth of each layer of minerals. For instance, if you have a total height of 10 cm (4 inches) of settled soil in the jar, you may find that the silt is 4.5 cm, the clay 1.5 cm, and the sand 4 cm. Convert each of these to a percentage by taking each layer, dividing it by the total height, then multiplying by 100. In my example, 1.5 cm of clay would be 1.5 ÷ 10 × 100 = 15%. So clay would be 15% of my soil.
The U.S. Department of Agriculture has a fabulous soil pyramid to calculate the type of soil you have from these percentages – see http://tinyurl.com/soilcalc
The jar test is really handy for a quick, free analysis of what your general soil type is like. It's your own personal starting point. But remember, decayed organic matter and invisible life in soil can alter the way these minerals behave, because carbon and soil biology give soil structure, and can make minerals more available to plants. So, just because you don't have the ideal ratio, doesn't mean you can't grow great things. Regardless of ratios, soil life is fundamental, and should be the goal of all growers, no matter what the location.
"Soil: The incredible story of what keeps the earth, and us, healthy" - Matthew Evans
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krishilearning · 1 year ago
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GreenHouse Farming in India
Greenhouse farming, also known as horticulture or conservation farming, is the growing of  crops in a controlled environment, usually in structures made of transparent materials such as glass or plastic. This controlled environment allows farmers to manipulate various environmental factors such as temperature, humidity, light, and ventilation to create optimal conditions for plant growth. 
 The main purpose of greenhouse cultivation is to extend the growing season and create a more favourable microclimate for crops, allowing for increased production and yields throughout the year. Greenhouses provide protection from inclement weather, pests, and disease, and allow farmers to grow a  variety of crops that would not grow in outdoor conditions. 
The main features of greenhouse farming include the use of artificial heating and cooling systems, modern irrigation systems, and sometimes supplemental lighting to ensure that the plants have ideal growing conditions. A controlled environment makes it easier to grow crops in  extreme climates and areas with limited arable land. 
 Greenhouse farming is often used to grow fruits, vegetables, flowers, and herbs. This is an efficient and sustainable farming method  that allows farmers to optimize resource use, save water,  reduce the need for chemical inputs, and ultimately become more environmentally friendly and productive. Contribute to agricultural practices.
Classification of greenhouse based on suitability and cost
a) Inexpensive or low-tech greenhouse
 Low-cost greenhouses are simple structures built using locally available materials such as bamboo and wood. Ultraviolet (UV) film is used for the cladding material. Unlike traditional or high-tech greenhouses, there are no special controls to adjust the environmental parameters inside the greenhouse. However, simple techniques are used to increase or decrease temperature and humidity. You can also reduce the amount of light by using light blocking materials such as netting. By opening the sides, you can lower the temperature in the summer. Such structures are used as rain shelters for growing crops. Otherwise, the internal temperature will increase if all the side walls are covered with plastic film. This type of greenhouse is especially suitable for cold regions.
b) Medium-tech greenhouse Greenhouse users prefer manual or semi-automatic controls with minimal investment. This is a greenhouse using galvanized iron pipes (G.I). The canopy is attached to the structure using screws. The entire structure is firmly fixed to the ground and resists wind effects. You can use an exhaust fan with a thermostat to regulate the temperature. Additionally, evaporative cooling pads and humidification systems ensure comfortable humidity within the greenhouse. Because these systems are semi-automatic, they require a great deal of care and consideration, and maintaining a consistent environment throughout the growing season is extremely difficult and tedious. These greenhouses are suitable for dry and mixed climates.
c) Hi-tech greenhouse In order to overcome some of the difficulties of medium-sized technical greenhouses, high-tech greenhouses are needed, where the entire equipment controlling environmental parameters is supported to operate automatically.
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famoushideoutwolf · 1 year ago
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