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A slideshow describing the process of photosynthesis in sunflowers.

Sunflower Leaf Information - Photosynthesis And Energy Flow By Dithi Saxena On Prezi

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Photosynthesis & Respiration

The world record holder for giant cucumbers is Alf Cobb. Unbelievably, at the time of writing this book, he is 93 and getting ready for his fourth consecutive world record attempt. Alf is almost deaf, but he knows how to grow cucumbers. His heaviest to date is 27 lb (12.3 kg), and his longest is 36" (91.4 cm).
His method of growing is straight forward and not complicated. The key is doing the right things at the right time. Alf rises at 5 am and waters his crops from water pumped from a well. His garden is only 100' away from a river. His soil, which is fairly sandy, has been influenced by the flood deposits of this river.
Alf grows his cucumbers inside poly tunnels on 6" raised beds filled with sandy, loam, garden soil, peat moss, leaf mold, and manure.

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The name kohlrabi is confusing because in some languages the name is almost the same as turnip, for example in Dutch where the one is koolrabi and the other koolraap. They can also look quite similar which is how the kohlrabi got its name because in German kohl means cabbage and rabi is Swiss German for turnip. The difference is that koolrabi have multiple lateral stems, meaning stems come out of all parts of the cabbage. Turnips have one stem coming out of the top of the cabbage. While the outside can be white, green or purple, the inside flesh is whitish/pale yellow. The type used for competition is a Swiss Giant cultivar named Superschmelz.
Kohlrabi rules are the same as swedes and turnips. The leaves should be cut off as near to the shoulders as possible (though some shows strangely allow a few leaves at the top). The roots may be kept on but the entire cabbage must be clean and sound.
The Superschmelz cultivar has a tendancy under certain unknown conditions to produce multiple cabbages (known as pups) on one plant.

Alternative Field Crops Manual: Sunflowers - …

Production of sunflowers subsequently rose dramatically in the Great ..

Whole books have or could be written on each extreme category of growing covered in this book, but the summary format presented here still contains all the requirements for success in growing and competing. Applying the instructions will have you well on your way to neighborhood bragging rights – and city, state, country, and world records.
Millions of gardeners have discovered that the joy of growing World Class Giant Vegetables lies in the fact that anyone with just rudimentary gardening experience can compete – and do they ever! As my good friend, and world record holder, Ron Wallace once said, "Don's books reveal the secret methods used by competitive growers, thereby leveling the playing field for everyone."

Eggplant fruit can taste bitter if picked underripe or overripe, so harvesting is part of the eggplant grower's art. A perfect fruit will stop growing larger, have a glossy skin, and show a sprinkling of soft, well-formed yet immature seeds when you slice it open. Fruit with no visible seeds are immature, and hard, dark seeds are found in overripe eggplant.
Use pruning shears to harvest eggplant with a short stub of stem attached, because the fruits will not easily pull free by hand. Rinse clean, pat dry, and store in the refrigerator for several days. Eggplant discolors rapidly when cut open, so work quickly when preparing slices or skewers for grilling. Marinades that include salt, vinegar, or lemon juice will keep cut pieces of eggplant from darkening.
Aubergines belong to the tomato and potato family and can be grown in a similar manner – although there is one major difference. Because they originate from extremely hot climates, they naturally like it hot and to be successful they need to be grown iwhere summers are quite warm or in glasshouses. The aubergine is great favourite of the Greeks and is used often in a dish called Moussaka. On there own they are bitter to the taste, but well salted, rinsed off, and baked, they become a tasty side dish such as ratatouille.
To grow a giant aubergines you will, as always, need the correct variety of seed. Some favourite varieties are Black Beauty, Serina F1, Parks Whpper, and Black Enorma, all of which are generally available from seed suppliers such as Thompson and Morgan.
Start the seeds off early, for they need a long growing time. Place them on the surface of small pots full of compost and just cover. Try to use a compost with a small amont of nutrients to give the plant a good start. Place on a tray and water from below. Keep at a temperature of 65º-80º F. Do not water again until the seedlings emerge, usually a week or so after sowing.
After a month, re-pot into 3.5" pots with nutrient rich compost. Keep the plants warm until they reach the 4 true leaf stage (two first, round leaves excluded). At this stage, the plants will be ready to go into there final place or they could be potted up into 9" pots and transplanted later. If you choose to re-pot, then use a nutrient rich compost to keep the plant fed for about 4 months.
The ideal soil for growing on the plants is based on John Innes No3 recipe or you can use the old favourite of 1/3rd soil, 1/3rd compost and 1/3rd well rotted manure, plus a dusting of lime and bone meal. The important thing is that the growing media is open, light, and full of nutrients. Cucumber and tomato beds are similar.
As the plant grows, stake it up to give much needed support. As the flowers develop, use an artists brush to aid in the pollination process. When one aubergine has set on each stem, pinch all flowers to limit it to one fruit. Do not pinch out the main stem, this will make the plant branch out.
Start feeding at this point with a balanced NPK feed. Use at a quarter of the manufacturer's recommended strength at every watering. As the fruit develops, increase the potash (K) content similar to feeding tomatoes.
As time goes by, select the most promising fruit and pinch out the rest. If the fruit needs support, then use nylon stocking similar to supporting cucumbers. It is a good idea to put a series of canes around the plant to give it support. The stems can sometimes be very brittle and fail easily under the weight of the fruit or a strong wind. There is little else to do except regularly watering and feeding.
Generally speaking, aubergines are fairly disease and pest resistant; but keep an eye out for whitefly and other aphids, then spray with a multi purpose insecticide.
Sometimes leaves die on the plant – these should be removed because they usually carry botrytis and may infect the rest of the plant. Do not pinch out the main stem, otherwise the plant will branch out.
To summarize growing world class giant aubergines (eggplants): insure that plants are not chilled, plant in warm weather, stake plants, and cull to one eggplant per plant. Mulch soil after plants are well established, feed with a ballanced NPK (20-20-20) fertilizer, and keep a consistent level of moisture in the soil. Eggplants are particularly drought resistant, so over watering seems to have more adverse effects than good.

How Does a Sunflower Move? | Home Guides | SF Gate

This property has been shown to increase light interception and possibly photosynthesis.

Sunflower leaves are phototropic and will follow the sun's rays with a lag of 120 behind the sun's azimuth. This property has been shown to increase light interception and possibly photosynthesis.

Commercially available sunflower varieties contain from 39 to 49% oil in the seed. In 1985-86, sunflower seed was the third largest source of vegetable oil worldwide, following soybean and palm. The growth of sunflower as an oilseed crop has rivaled that of soybean, with both increasing production over 6-fold since the 1930s. Sunflower accounts for about 14% of the world production of seed oils (6.9 million metric tons in 1985-86) and about 7% of the oilcake and meal produced from oilseeds. Europe and the USSR produce over 60% of the world's sunflowers.

Sunflowers were treated with mixing proportions of NaCl, Na2SO4, NaHCO3, and Na2CO3
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  • Helianthus annuus (common sunflower): ..

    Sunflowers - SlideShare

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Observation notes and record keeping - JustMontessori

Peter grew a new world record potato of 8 1/2 lb in 2010 and won the National Giant Vegetable Show at Shepton Mallet, UK. The previous record holder was a farmer in Scotland who accidentally found a red potato in his field that weighed 7 lb 1 oz. Peter also uses red varieties that are prone to mutation, or being knobby. His best results come from potatoes grown in a cold, well ventilated, greenhouse with raised beds.
Although it is important to get the correct variety of seed potato, more attention is needed to nurture the potato to gigantic proportions.
Each year Peter buys new, disease, free, seed potatoes; and after trying many varieties, the most successful have been: Kondor and Marfona. These are readily available from Scottish seed producers who are renowned for their disease free seed potatoes. They are best purchased in February, washed in weak disinfectant, and placed in a frost free environment with some light. Window sills make an excellent home while they sprout. This process is very important in growing large potatoes, one strong shoot is the goal. If you have too many shoots, there will be a mass of top growth that allows the energy to go to the plant and not the potato. All but one shoot will be removed before planting. Once the shoot gets to about ½" in height, half-bury the potato in a tray of F2 compost (see appendix).

Agrisure Duracade - Corn Rootworm Control | Syngenta

Kevin and Gareth are major players in the giant vegetable arena in the UK and exhibit a wide range of vegetables. Their names are frequently seen on tables as prize-winners.
Kevin and Gareth are the sons of Mike Fortey, one of the legendary growers and pioneers of the giant vegetable growing movement. They helped their father from a young age and were taught how to grow and maintain a wide variety of flowers and vegetables. They gained considerably knowledge from their father until his death in 1996. Then, they realized how much more there is to learn, so in their father's memory, soldiered on to reach exceptional horticulture standards. They have won many top prizes and made several TV appearances. Though, they have never grown a world record. The brothers are very competitive in there growing, and they share with us their way to grow giant celery. They manage to grow celery to the ridiculous size of 16 kilos (over 35 lb). The celery is grown in a polythene tunnel in order to control the growing environment.

Plants are living organisms that belong to the Plantae kingdom

Giant pumpkins have been fascinating people for centuries, but the first 400 pound pumpkin was not grown until 1900. William Warnock from Goderich, Ontario, Canada traveled to the Paris World's Fair to have his pumpkin officially weighed at 400 pounds. He followed this up in 1904 at the St. Louis World's Fair, beating his previous best with a 403. That would be the end of record setting for more than 70 years, before the modern history of giant pumpkin growing was kick-started in 1976 by Pennsylvanian, Bob Ford's world record 451.
Howard Dill of Windsor, Nova Scotia, Canada was able to break Ford's mark with a 459 in 1980, and then repeated in 1981 with a new world record 493.5. Howard's seed variety, the Atlantic Giant, would become the seed of choice for all giant pumpkin competitors from that day forward.
Howard's fame brought many new gardeners into the sport, and an offshoot of this popularity was the organization of several North American associations of giant pumpkin growers. The first was the WPC, the World Pumpkin Confederation, cofounded in 1983 by Howard and a chicken farmer, restaurateur, and marketing magician from Collins, NY, Ray Waterman. So confident were Dill and Waterman in Dill's 493.5 being unbeatable, they offered a $10,000 prize and a trip to Hawaii for anyone who could. They didn't have to wait long. In 1984, Norm Gallagher of Sequim, WA stunned the WPC with a record breaking 612. Five years later, 700 pounds fell with Quebec gardener, Gordon Thomson's 755.
800 pound records started in 1991 with Ed Gancarz's 816.5. Joel Holland of Puyallup, WA raised the bar with an 827 in 1992, and Donald Black of Winthrop, NY broke that record the following year with an 884. Competitors considered this the limit of the Atlantic Giant's potential, but that all changed in 1994 when four growers across North America grew 900 pound pumpkins, with Herman Bax of Ontario, Canada missing 1000 by just 10 pounds at 990.
Two years later in 1996, 1000 pounds would be accomplished for the first time by Paula and Nathan Zehr at the WPC weighoff in Clarence, NY. For several years, the WPC had offered a $50,000 prize for the first pumpkin grown over 1000. The Zehr's walked away with a check for $50,000 for their 1061 pound pumpkin. 1061 stood for two years, then in 1998, Gary Burke of Quebec elevated the record to 1092. Competitive growers everywhere were convinced that weights could go no further.
Then, in one of the most amazing horticultural phenomena in history, the world record for giant pumpkins was broken 10 consecutive years from 1998 to 2007. The first 1100 pound pumpkin came with Gerry Checkon's Altoona, PA entry in 1999 at 1131. The first 1200 pound pumpkin was emphatically recorded with Geneva Emmon's Pacific Northwest entry at 1262 in 2001. The first 1300 pound pumpkin came a year later from a New Hampshire grower, Charlie Houghton, with 1337.6 in 2002. The first 1400 pound pumpkin came in 2004 by way of Al Eaton of Ontario, Canada who grew a 1446 just 400 miles from Goderich, Ontario where William Warnock had grown the 1904, world record 403.
The first 1500 pound pumpkin (a seemingly impossible feat) came in 2006 with Ron Wallace's RI entry of 1502 pounds, and then, just 10 miles from Ron's pumpkin patch, Joe Jutras annihilated the world record in 2007 with a 1689. Christy Harp of Ohio furthered the record again in 2009 with her 1725, and Chris Stevens of Wisconsin bettered the mark by 85.5 pounds with his 2010, 1810.5. In 2011, Jim and Kelsey Bryson of Washington bettered the record again at 1818.5 pounds, and in 2012, Ron Wallace, who was the first grower to grow a pumpkin over 1500 pounds, broke the one-ton barrier witn a 2009 pound pumpkin.

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