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Topic: Harvesting

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  Rainwater Harvesting for Drylands
Rainwater Harvesting for Drylands, Volume 1 is the core of the complete three-volume guide on how to conceptualize, design, and implement sustainable water-harvesting systems for your home, landscape, and community.
This book enables you to access your on-site resources (rainwater, greywater, topsoil, sun, plants, and more), gives you a diverse array of strategies to maximize their potential, and empowers you with guiding principles to create an integrated, multi-functional, and water-sustainable water-harvesting landscape plan specific to your site and needs.
He welcomes rainwater into the landscape with creativity, intelligence and humor and puts it to use growing food, shading houses, reducing erosion, improving wildlife habitat, and enriching the urban environment.
www.harvestingrainwater.com   (591 words)

  Grain storage techniques ... - Grain harvesting, threshing and cleaning - Technical alternatives
Although harvesting and threshing are still frequently done by hand, their mechanization has begun to develop during recent years, especially where the crop is produced not for self-consumption but rather for commercial purpose.
The first mechanized harvester to detach ears of maize from the standing stalks, the 'corn snapper', was built in North America in the middle of the 19th century.
Specially designed for harvesting maize as grain, the corn-sheller was initially a cornhusker in which the husking mechanism was replaced by a threshing one (usually of the axial type).
www.fao.org /docrep/T1838E/T1838E0p.htm   (2740 words)

  Modeling Population Growth: Harvesting
Use the Population Simulator to generate trajectories to the logistic model with harvesting (and simultaneously display the solutions on the phase line).
Furthermore, in many populations subject to harvesting, the harvesting is not applied uniformly to all of the population, but is restricted to adult (sexually mature) individuals, which could affect the birth rate.
In an effort to lessen harvesting's effect on birthrate, sometimes the harvesting is biased towards harvesting more males than females, since a small number of males can be used to impregnate all of the mature females.
www.geom.uiuc.edu /education/calc-init/population/harvest.html   (819 words)

 The Science Behind Tobacco : Harvesting   (Site not responding. Last check: 2007-11-07)
Harvesting refers to the removal of mature ripe leaves from the plant.
Leaves ripen and are harvested from the bottom of the stalk upward.
Harvesting methods depend on the size of the farm and available capital.
www.lsc.org /tobacco/farming/growing/harvesting.html   (347 words)

  Harvesting   (Site not responding. Last check: 2007-11-07)
If a harvester can work close to a shore unloading site, it is possible to minimize the time that the craft spends transporting cut plants and maximize the time spent harvesting.
While aquatic plant harvesters collect the bulk of the vegetation they cut, there are fragments that are not collected (such as those generated by the knives and the paddlewheels).
Harvesting system performance is in the 1 to 3 acre per day range, depending on the equipment mix and the shoreline access available.
el.erdc.usace.army.mil /aqua/apis/mechanical/html/harvesti.html   (1168 words)

 Press Releases: East Africa Drought, Harvesting rainfall a key climate adaptation opportunity for Africa, Press ...
Until recently the importance of rainwater harvesting as a buffer against climate-linked extreme weather events has been almost invisible in water planning with countries relying almost exclusively on rivers and underground supplies, says the report.
The impact on lives and livelihoods of rainwater harvesting is underscored by a five-year-old project established by UNEP and the non-governmental organization EarthCare Africa with funding from the Government of Sweden.
Maps estimating the rainwater harvesting potential of Nairobi and Kampala have been completed and similar assessments are underway for Addis Ababa, Dar es Salaam, Kigali, Maputo, Lusaka, Lilongwe, and Harare.
www.reliefweb.int /rw/RWB.NSF/db900SID/LSGZ-6VHKED?OpenDocument&rc=1&emid=ACOS-635NZE   (1602 words)

 Harvesting for the control of Eurasian watermilfoil
Harvesting immediately removes surfacing milfoil mats, but since the cut plants grow back (sometimes within weeks), the same area may need to be harvested twice or more per growing season.
Harvesting is not recommended in waterbodies with early infestations of milfoil since the resulting fragments are never completely contained and harvesting may increase the spread of milfoil throughout the waterbody.
Because harvesters are large machines and are difficult to maneuver near-shore between and around docks, in at least one harvesting program (Long Lake, Thurston County), harvesting was limited to areas outside of the docks.
www.ecy.wa.gov /programs/wq/plants/management/harvesting_strategies.html   (1087 words)

 Harvesting and Handling Vegetables
Harvest when fruits are full size, have a dull surface and creamy colored ground spot.
Harvest "new" potatoes at any size but generally do not dig before tubers are 1 1/4 to 1 1/2 inches in diameter.
Squash - Harvest when fruit is 4 to 6 inches long for yellow crookneck squash 6 to 8 inches for yellow straight neck and 3 to 4 inches in diameter for white scallop.
aggie-horticulture.tamu.edu /extension/harvest/harvest.html   (1675 words)

 Mechanical Harvesting - An Aquatic Plant Management Method
Harvesting is usually performed in late spring, summer, and early fall when aquatic plants have reached or are close to the water's surface.
Harvesting as aquatic plants are dying back for the winter can remove organic material and help slow the sedimentation rate in a waterbody.
Harvesting is similar to mowing a lawn; the plant grows back and may need to be harvested several times during the growing season.
www.ecy.wa.gov /programs/wq/plants/management/aqua026.html   (894 words)

 Brambles - Production Management and Marketing, Bulletin 782-99, Chapter 3 Selection and Care of Plants
Harvest frequency varies with weather conditions and with the progression through each cultivar's ripening season.
The first few harvests may be conducted as much as three to five days apart and require as few as five pickers; peak harvests should be conducted at one- or two-day intervals and may require as many as eight or 10 pickers per acre.
Experienced pickers generally harvest about 10 pounds per hour, while less effective workers may harvest as few as six to seven pounds, and the best workers may harvest more than 14 pounds of fruit per hour throughout the six-hour work day.
ohioline.osu.edu /b782/b782_18.html   (541 words)

 Environment Agency - Rainwater Harvesting   (Site not responding. Last check: 2007-11-07)
Rainwater Harvesting is the collection of water that would otherwise have gone down the drainage system, into the ground or been lost to the atmosphere through evaporation.
There are a number of different rainwater harvesting systems available, but a typical example would be rain collected from the roof travelling via a drainpipe into a storage tank (usually underground) once the leaves and debris have been filtered out.
Suppliers of rainwater harvesting systems currently claim savings of over 14% of water used by the average household, but due to the relatively low cost of mains water in England and Wales the payback time may be quite lengthy.
www.environment-agency.gov.uk /subjects/waterres/286587/511050/?lang=_e   (777 words)

 Harvesting Hemp
Harvesting hemp is presently the most problematic and least understood part of hemp cultivation.
Harvesting hemp seed usually occurs in early October when the plant is roughly sixteen weeks old and when the flowers are ripe and full of seeds.
This step is essentially identical to the harvest of all fiber-hemp plants with the stems being cut, possibly trimmed, and pressed into bales after retting and drying.
www.innvista.com /health/foods/hemp/harvest.htm   (1850 words)

 Harvesting Gloves
This was the case with the "harvesting gloves".
Previous to our discovery of this glove the only thing that was available to the harvester was a cotton glove which typically lasted only about four days and would constantly absorb water.
Now we have found that the harvesters are bringing the gloves home to use in their gardens.
www.frostproof.com /catalog/g56.html   (180 words)

Harvesting is often done in a short amount of time, requires the operator's attention in several areas, and uses machinery that has many moving parts, some of which are difficult to shield.
Harvester and wagon combinations can cause rollovers if sharp turns are made when going downhill or at highway speeds, especially if the wagon is loaded.
Harvester stability is very dependent upon the header and grain tank.
www.cdc.gov /niosh/section1.html   (2660 words)

 Harvesting Rainwater for Landscape Use
Coupled with the use of native and desert-adapted plants, rainwater harvesting is an effective water conservation tool because it provides "free" water that is not from the municipal supply.
If you are harvesting rainwater from the roof, extend downspouts to reach planted areas or provide a path, drainage, or hose to move the water where it is needed.
Water harvesting cannot provide a completely dependable source of irrigation water because it is dependent on the weather, and weather is not dependable.
ag.arizona.edu /pubs/water/az1052/harvest.html   (5295 words)

 Catfish - Harvesting
Equipment requirements consist of a commercial harvest seine, a hydraulic seine reel, a flat-bottomed aluminum boat outfitted with an outboard motor and a seine catcher, two tractors, and various live cars for holding and grading fish.
A prototype seine was used to harvest catfish from ponds ranging from 4 to 10 acres at the NWAC.
The harvest seine is carefully pulled toward the levee as fish pass through the tunnel and into the sock.
msucares.com /aquaculture/catfish/harvest.html   (1443 words)

 Open Archives Initiative - Protocol for Metadata Harvesting - v.2.0
A harvester is operated by a service provider as a means of collecting metadata from repositories.
Harvesters may use datestamps to harvest only those records that were created, deleted, or modified within a specified date range.
Harvesters may specify set membership as a criteria for selective harvesting.
www.openarchives.org /OAI/openarchivesprotocol.html   (7830 words)

 Harvesting RDF Statements from XLinks   (Site not responding. Last check: 2007-11-07)
This Note assumes that harvested statements are added to "the current model," which is the model being constructed when the statement was harvested.
Implementations that wish to attempt to harvest RDF statements from such files may map the element type of the linking element to the predicate of the RDF statement, as long as the element type is namespace qualified.
Harvesting software that uses the facilities of the RDF Schema specification may generate an additional statement whose subject is the value of the
www.w3.org /TR/2000/NOTE-xlink2rdf-20000929   (3544 words)

 Harvesting - Final Fantasy XI - somepage.com
Harvesting in FFXI is a way to obtain grass, cotton, mushrooms and other items that are primarily used by the Clothcraft and Cooking guilds.
Harvesting is accomplished by going to one of the zones listed below, and finding one of the Harvesting Points that occur throughout the zone.
A harvester can dig at a harvesting point multiple times without obtaining any items; the more times a specific point is dug at before it disappears, the greater the chance that the sickle used will break.
ffxi.somepage.com /otherdb/harvesting.php   (332 words)

Harvesting a Christmas tree crop should be planned as thoroughly as the other management procedures.
If the trees selected for harvesting are marked in advance, considerable time can be saved during the actual cutting operation.
The application of a water-based pigment to tint or color the foliage of trees before they are harvested has become an accepted practice, especially on Scotch and red pine.
www.extension.umn.edu /distribution/naturalresources/components/2022_12.html   (1357 words)

 Legislation on Rainwater Harvesting
Since June 2001, the Ministry of Urban affairs and Poverty Alleviation has made rainwater harvesting mandatory in all new buildings with a roof area of more than 100 sq m and in all plots with an area of more than 1000 sq m, that are being developed.
The deadline to construct rainwater harvesting structures is August 31, 2003.
The state government has made rainwater harvesting mandatory for all buildings that are being constructed on plots that are more than 1,000 sq m in size.
www.rainwaterharvesting.org /Policy/Legislation.htm   (470 words)

 Texas Water Development Board: Rainwater Harvesting FAQs
Rainwater harvesting is the capture and storage of rainwater for purposes such as landscape irrigation, potable and non-potable indoor uses, and storm water abatement.
Harvested rainwater can be particularly useful when no other source of water supply is available, or if the available water supply is inadequate or of poor quality.
Rainwater harvesting is enjoying a revival in popularity for two reasons: its inherently superior quality and an interest in reducing consumption of treated water.
www.twdb.state.tx.us /iwt/rainwater/faq.html   (2463 words)

 1.3 Fog harvesting
Fog harvesting efficiencies were found to be highest during the spring and summer months, and lowest during the winter months.
If the harvesting area is not close to the point of use, the installation of the pipeline needed to deliver the water can be very costly in areas of high topographic relief.
Caution is required to minimize impacts on the landscape and the flora and fauna of the region during the construction of the fog harvesting equipment and the storage and distribution facilities.
www.oas.org /usde/publications/unit/oea59e/ch12.htm   (3838 words)

 Harvesting Coffee Beans
Each year coffee is harvested during the dry season when the coffee cherries are bright red, glossy, and firm.
To maximize the amount of ripe coffee harvested, it is necessary to selectively pick the ripe coffee beans from the tree by hand and leave behind unripe, green beans to be harvested at a later time.
In Brazil, harvesting the samecoffee tree several times is less cost effective than separating and discarding the unripe or overripe cherries.
www.coffeeresearch.org /agriculture/harvesting.htm   (363 words)

 Logistic Population Growth with Harvesting
The harvesting cases are constant harvesting and periodic harvesting.
The lower equilibria marks the minimum surviving population, while the greater equilibria is the carrying capacity of the population.
The two systems have equilibrium values close to those of the constant harvesting system, yet the values vary with amplitude and are therefore not equal.
www.tashian.com /carl/docs/harvesting   (790 words)

 Start Now to Design Citrus Groves for Mechanical Harvesting
These high-headed trees are suited to accommodate mechanical harvesting by having higher tree skirts as well as providing greater trunk length to allow for trunk shaker attachment as well as having additional horticultural and practical advantages in the grove.
The important point to consider is that not all groves may be good candidates for mechanical harvesting and the first criteria should be to determine where mechanical harvesting may be utilized to obtain maximum harvesting efficiency.
Groves determined not to be candidates for mechanical harvesting will have to be hand harvested until a decision is made to remove the grove and replant with an architecture that maximizes mechanical harvesting efficiency.
edis.ifas.ufl.edu /HS219   (1284 words)

 Harvesting Marijuana! When To Harvest Marijuana
There is the difference between early and late harvest to encourage head to body high respectively.
At the 45th parallel I've found most Indicas to be at peak harvest starting at the beginning of October, sometimes very late September, and running until the end of October, sometimes running into November during mild years or in a greenhouse.
Sativas and early window harvests tend to be more of a head high, whereas Indicas and late window harvests tend to be more of a body high.
www.greenmanspage.com /guides/harvest.html   (1112 words)

 Newsletter: Web harvesting: problems/solutions.
It resides in a variety of formats -.pdf,.doc,.xls, etc. Once this content is harvested, users want it in the format of their choice, not the tool vendor’s choice (most vendors are in love with XML).
Web harvesting tools need to be flexible enough to bring information together from multiple harvests and/or multiple sites into a single format or existing template or worksheet.
Most CI departments can benefit from a web harvesting tool, but before succumbing to the marketing hype, make sure the features are there to support your requirements and deal with the complexity of today’s modern web sites.
www.imakenews.com /scip2/e_article000093294.cfm?x=213559,0%2   (806 words)

 Harvesting: When Are My Peppers Ready to Pick? -
Usually the first peppers are ready to harvest 75 to 90 days from transplanting, but that will vary with differing growing conditions.
Often the decision of when to harvest is influenced by the intended use of a particular pepper.
Once you start seeing empty calyx's and stems you know the birds have found them and are harvesting for their own enjoyment, or they are over-ripe and dropping off the plant.
faq.gardenweb.com /faq/lists/pepper/2002072024032752.html   (1332 words)

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