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Top 10 Mysterious Alien Crop Circles In The World

 · 4. The human butterfly crop circle - the largest known crop circle with dimensions of × feet, this crop circle is believed to be a work of the aliens as it is humanly not possible to carve out such n enormous figure on the field just by using rope and wood plank. 5.

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Tractor Plowing 101

 · Discing and harrowing are required to make the field ready for planting. The disc cuts up and levels the furrow humps left by the plow. A spike-tooth or spring-tooth harrow may be used to break up any sod clods left in the field. Maintenance key to equipment life. ….

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Chisel Plowing Techniques

Conventional plowing, disking, planting and harvesting always involves traveling the same direction up and down the field and over time, the soil tends to reflect these linear farming techniques. Chisel plowing a field at an angle, 20 to 30 degrees from the usual direction, eliminates the linear affect and mixes the field's soil evenly.

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Forest Landowners Guide to Tree Planting Success

 · Preparing Old Field Sites. For old field sites, a combination of mowing and herbicide or herbicide and disking treatments are most effective. Herbicide treatments can include broadcast, spot, or row applications in the late summer or fall prior to planting.

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OPTI 517 Image Quality

the geometric aberrations are small compared to the Airy disk • There is a distinction between the best possible performance, as limited by diffraction, and performance that is below this limit but produces acceptable image quality (e.g., Strehl Ratio > 80%) OPTI 517 11 Amount of Aberration Spot Size Diffraction spot size Geometrical spot size.

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Potential Flow Theory

2.016 Hydrodynamics Reading #4 version 1.0 updated 9/22/-1- © A. Techet 2.016 Hydrodynamics Prof. A.H. Techet Potential Flow Theory "When a flow is both frictionless and irrotational, pleasant things happen."F.M.

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Disc Harrow Requirements

One of the most important requirements is disc blade concavity, that is, correct concavity. Further along we set forth the purposes of disc concavity. We feel it is important enough to devote the extra time and words in a discussion of the subject, because seldom is disc concavity talked about, and very few know that there is difference enough to cause good and bad work.

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POINT SPREAD FUNCTIONS

The pattern drops to 50% power at a radius of 0.514 λ/D, so its FWHM = 1.028λ/D. The core of the Airy Pattern, inside the first minimum is often called the "Airy Disk." It contains some 86% of the total light in the image. The first three dark rings occur at radii of 1.22, ….

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Disking Pasture

 · Disking pastures in the south opens compacted soil if there is any bermuda in the stand it will help it spread . Mow it short get residue off then disc it. FWIW its is usually better to disc in the spring before things get to growing 2 fast. Reply. T. True Grit Farms ….

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Is Anti

 · Photons and normal, stable particles both fall as expected in a gravitational field, with Earth causing any massive particle to accelerate towards its center at 9.8 m/s 2. Despite our best efforts.

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Torus

A torus can be defined parametrically by: (,) = (+ ⁡) ⁡ (,) = (+ ⁡) ⁡ (,) = ⁡, = [,)where θ, φ are angles which make a full circle, so that their values start and end at the same point, R is the distance from the center of the tube to the center of the torus, r is the radius of the tube.. R is known as the "major radius" and r is known as the "minor radius".

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Disc Harrow Requirements

One of the most important requirements is disc blade concavity, that is, correct concavity. Further along we set forth the purposes of disc concavity. We feel it is important enough to devote the extra time and words in a discussion of the subject, because seldom is disc concavity talked about, and very few know that there is difference enough to cause good and bad work.

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Visual Fields

The field of vision is that portion of space in which objects are visible at the same moment during steady fixation of gaze in one direction. The monocular visual field consists of central vision, which includes the inner 30 degrees of vision and central fixation, and the peripheral visual field, which extends 100 degrees laterally, 60 degrees medially, 60 degrees upward, and 75 degrees.

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Top 10 Mysterious Alien Crop Circles In The World

 · 4. The human butterfly crop circle - the largest known crop circle with dimensions of × feet, this crop circle is believed to be a work of the aliens as it is humanly not possible to carve out such n enormous figure on the field just by using rope and wood plank. 5.

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Haymaking 101: Mowing, Tedding, and Raking

 · If something is hit in the field, it usually only affects one unit, minimizing repairs. The disc mower can also be outfitted with a crimper, which deposits the hay in a gathered swath. Rotary disc mowers have a good turning radius and come in models that will ….

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Tillage implements

Field cultivation in the spring has a much lower fuel, time and labor cost requirement than deep and medium-depth tillage systems. Tandem disk. Tandem disk is similar to the disk, but less aggressive and therefore provides a shallower tillage option for the soil's top 2 to 4 inches (Figure 16).

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Sharding pattern

 · Use this pattern when a data store is likely to need to scale beyond the resources available to a single storage node, or to improve performance by reducing contention in a data store. Note The primary focus of sharding is to improve the performance and scalability of a system, but as a by-product it can also improve availability due to how the.

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Revitalizing Old Fields for Pasture and Hay

by Diane Schivera When fields are neglected: Perennial weeds begin to appear, Woody species invade, Soil becomes acidic, Frost brings large rocks to the surface. When looking for ways to return fields to production, always start with methods that are most likely to succeed and are least costly. The least costly and most environmentally sound … Revitalizing Old Fields for Pasture and Hay Read.

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Revitalizing Old Fields for Pasture and Hay

by Diane Schivera When fields are neglected: Perennial weeds begin to appear, Woody species invade, Soil becomes acidic, Frost brings large rocks to the surface. When looking for ways to return fields to production, always start with methods that are most likely to succeed and are least costly. The least costly and most environmentally sound … Revitalizing Old Fields for Pasture and Hay Read.

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Diffraction Limited Photography: Pixel Size, Aperture and

For an ideal circular aperture, the 2-D diffraction pattern is called an "airy disk," after its discoverer George Airy. The width of the airy disk is used to define the theoretical maximum resolution for an optical system (defined as the diameter of the first dark circle). ... (such as when the depth of field ….

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Brush Hogging 101

 · A bush hog is attached to the tractor and towed behind for clearing land (grubbing it) to create a pasture, hay field, home location spot, or garden spot or to tend to established pastures and hay fields. A brush hog cuts in a pattern that is both efficient and will help save both fuel and time.

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Disk

Typically, the disk harrow is followed by a field cultivator for final seedbed preparation. About 40 to 70% of the residue generally remains on the surface after a single disking of corn, grain sorghum or wheat residue. Generally, disking corn or grain sorghum residue more than twice buries too much residue for effective erosion control.

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Harrowing: The Best Way To Properly Maintain Your Fields

Keeping your fields maintained is always a challenge, and it is hard enough to keep up with all of the agricultural terms if you're new. Harrowing and plowing are both integral to the upkeep of your field, but they do something slightly different from each other, although they may seem broadly similar to ….

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