Wednesday, March 5, 2014

Trees and City Architecture

By Liliana Usvat
Blog 152-365


Nature in the city is far more than trees and gardens, and weeds in sidewalk cracks and vacant lots. It is the air we breathe, the earth we stand on, the water we drink , and the organisms with which we share our habitat.


It is the consequence of a complex interaction between the multiple purposes and activities of human beings and other living creatures and of the natural processes that govern the transfer of energy, the movement of air, the erosion of the earth, and the hydrologic cycle.


The city is part of nature. The realization that nature is ubiquitous, a whole that embraces the city, has powerful implications for how the city is built and maintained, and for the health, safety, and welfare of every resident….
 
The city must be recognized as part of nature and designed accordingly. The city, suburbs, and surrounding countryside must be viewed as a single, evolving system within nature, as must every individual park and building within that larger whole.


Ecological urbanism is a broad approach to urban design and planning; related to it are aspects of multiple interrelated movements: 
  • ecological design, 
  • environmental art
  • landscape planning ,
  • sustainable design and planning, 
  • green architecture , 
  • green infrastructure , 
  • green urbanism, 
  • landscape urbanism
  • and industrial ecology .


Important concepts of ecological urbanism include: cities are part of the natural world; cities are habitats; cities are ecosystems; urban ecosystems are dynamic and interconnected; every city has a deep, enduring context; urban design is a tool of human adaptation. These fundamental propositions are the foundation from which to derive principles for an ecological approach to the design of cities.


In most cities, human activities interact with natural processes to create a typical urban climate, urban soils, urban hydrology, urban plant and animal communities, and characteristic flows of energy and materials. Recent research, however, has revealed exceptions to these generalizations, which were based on studies of places with a temperate or Mediterranean climate.


Arid cities, for example, are cooler than the surrounding deserts at some times of day due to irrigation.

Cities are places for living: for individuals and groups, for humans and other species. As habitats, they must provide settings for the biological and social needs of the organisms who dwell there: for growth, movement and exchange, communication, making and building, teaching and learning, work play and reflection.

 

Cities provide habitats for many nonhuman species from microbes to trees, from insects to fish, birds, and mammals. Some species are indigenous, others are typical urban species, some are central to human health and prosperity, a few are hostile .

Urban development tends to reduce biodiversity, with far-reaching adverse effects. Enhancing biodiversity is not just important for plants and animals have argued that the presence of urban wildlife is closely linked to human well-being.



 Pleasure and meaning are basic human needs, and “the mental sense of connection with nature is a basic human satisfaction, the most profound aspect of sensibility



Nature in the city must be cultivated, like a garden, rather than ignored or subdued.



Ecological urbanism is critical to the future of the city and its design: it provides a framework for addressing challenges that threaten humanity, such as global warming, rising sea level, declining oil reserves, rising energy demands, and environmental justice, while fulfilling human needs for health, safety, and welfare, meaning and delight.

Tuesday, March 4, 2014

Palm tree Medicinal Uses, History, Planting Tips, Soil Needs, Symbolism

By Liliana Usvat
Blog 151-365




Palm trees are a family of plants. This family is called Arecaceae. Palm trees are not true trees. They grow in hot climates.

Well known palm trees are:
  • Date palm
  • Coconut palm

There are over two thousand kinds, living in many kinds of places from rainforests to deserts.

History

Palms first appear in the fossil record around 80 million years ago, during the late Cretaceous Period. Some kinds from that period are still to be seen today, such as the nipa palm or mangrove palm

The palm as a symbol
 
  •  The palm branch was a symbol of triumph and victory in Roman times. The Romans rewarded champions of the games and celebrated success in war with palm branches.
  • Jews also had a tradition of carrying palm branches during festive times.
  • Early Christians used the palm branch to symbolize the victory of the faithful over enemies of the soul, as in the Palm Sunday festival celebrating the triumphal entry of Jesus into Jerusalem.
  • In Judaism, the palm represents peace and plenty. The palm may also symbolize the Tree of Life in Kabbalah.
  • The Prophet Muhammad is said to have built his home out of palm, and the palm represents rest and hospitality in many cultures of the Middle East.
  • Palm stems represented long life to the Ancient Egyptians, and the god Huh was often shown holding a palm stem in one or both hands.

  • The sacred tree of the Assyrians was a palm that represents the god Ishtar connecting heaven, the crown of the tree, and earth, the base of the trunk. The Mesopotamian goddess Inanna, who had a part in the sacred marriage ritual, was thought of as the one who made the dates abundant 
  • The palm tree was a sacred sign of Apollo in Ancient Greece because he had been born under one .
  • The palm, especially the Coconut, remains a symbol of tropical island paradise  
  • The palm tree also represents Oasis.

 Soil Need

Light and well-drained soils are imperative for healthy palm tree growth. Sand-based soil, like sandy loam, provides the best earth environment for spreading palm roots because palms do not like compacted soils with few air pockets, such as clay. Heavy soils suffocate roots and contribute to growth stunting and root rot.

Water Preferences


If you have just planted your palm tree, its water needs are significantly different than for an established plant. Water new palm twice a week until the first 18 inches of soil are moist. A moisture meter is a useful tool to verify the depth you have saturated. After six months have passed, the palm has a better root structure to find adequate moisture. At this point, watering is only necessary two times each month. A well-established palm has a good level of drought tolerance.

Planting the Desert with Palm Trees

If you are considering planting palms as part of a backyard desert oasis, be aware that there are few palm trees you can grow with confidence in  dry, hot desert -- out of the over 2500+ species of palms around the world. 
 
Mediterranean Fan Palm (Chamaerops humilis) - a multi-trunk palm that grows to about 15 feet. 
Mexican Blue Palm (Brahea Armata) - a slow-growing palm with arching, silvery-blue feather-like fronds. Reaches about 30 feet at maturity.
Guadalupe Fan Palm (Brahea edulis) - similar to the Mexican Blue Palm, this one grows faster to 30 feet in height. The fan-shaped fronds are a light green. Edible fruit.  
Pindo Palm (Butia capitata) - Another short palm, growing only to 20 feet. The gray-green feather-shaped fronds curve downward. Edible fruit. 
Canary Island Date Palm (Phoenix canariensis) -- a giant among palms, grows to 50 feet high with a massive trunk and 10 foot long fronds.  
Date Palm (Phoenix dactylifera) -- more slender than the Canary Island palm, but also grows tall: 60 feet.
Windmill Palm (Trachycarpus fortunei) - a semi-dwarf palm with windmill-shaped fronds. Slow-growing to 15 feet tall. This tree loves our summer heat!
California Fan Palm (Washingtonia filifera) - a native of California, Arizona, and Mexico, this massive palm grows to 50 feet.  
Mexican Fan Palm (Washingtonia robusta) - a palm equivalent of a skyscraper, it grows to 80 feet or more. 
Two other palms worth trying are the Chinese Fountain Palm (Livistona Chinensis ) and the Australian Cabbage Palm (Livistona australis). Both have a "weeping" shape with gracefully drooping fronds. 

About Planting Palms

Palms, unlike other trees, are best planted in late Spring or Summer. They like warm soil for their roots to grow.  Be sure the hole for planting is 2 to 3 times as wide as the root ball.  And water regularly until established.

About Pruning Palms

Only trim off the brown drooping fronds. Do not trim off  ones that are still green -- the tree needs them to collect sunlight to create chlorophyll for growth and best health.  As a rule of thumb, leave a minimum of 7 fronds on the tree.

Medicinal Uses
 
  • The fruit of the date palm contains tannin, which makes it an effective astringent. 
  • The fruit from this tree has been used to treat sore throats, 
  • colds, 
  • bronchial catarrh,
  •  fevers, gonorrhea, 
  • edema and 
  • abdominal problems. 
  • The seeds from the tree have been ground into a paste that is effective in treating ague.
  •  Toothaches have been relieved by date palm roots.  
  • Finally, gum extracted from the trunk of this tree has effectively been used to treat diarrhea and 
  • urinary ailments.
  • Roots of coconut palms are medicinal and can be used to treat dysentery
  • They can also be used as a dye or a mouthwash. 
  • Shredded roots also make a crude toothbrush.

     


Monday, March 3, 2014

Orange Tree

By Liliana Usvat
Blog 150-365



Orange is richest source of antioxidants of all fruits, stimulates the digestion, lowers the cholesterol and protects against cardiovascular disease – orange is the real king of fruits. - See more at: http://www.healthyfoodhouse.com/orange-king-of-fruits/#sthash.D7bA6Jrl.dpuf
Oranges strangely enough, did not get it's name from its colour but rather from an ancient Sanskrit word meaning "fragrant". In fact, people have prized this golden fruit for its beauty and scent for years.

The word entered Late Middle English in the fourteenth century via Old French orenge (in the phrase pomme d'orenge).


In other Indo-European languages, the words for orange allude to the eastern origin of the fruit and can be translated literally as "apple from China".

As Portuguese merchants were presumably the first to introduce the sweet orange in Europe, in several modern Indo-European languages the fruit has been named after them. Some examples are Albanian portokall, Bulgarian портокал (portokal), Greek πορτοκάλι (portokali), Persian پرتقال (porteghal), and Romanian portocală

History
 
There are no reports of sweet oranges occurring in the wild. In general, it is believed that sweet orange trees have originated in Southeast Asia, northeastern India, or southern China, and that they were first cultivated in China around 2500 BC.

In Europe, citrus fruits—among them the bitter orange, introduced to Italy by the crusaders in the 11th century—were grown widely in the south for medicinal purposes, but the sweet orange was unknown until the late 15th century or the beginnings of the 16th century, when Italian and Portuguese merchants brought orange trees into the Mediterranean area.Shortly afterward, the sweet orange quickly was adopted as an edible fruit.
 
It also was considered a luxury item and wealthy people grew oranges in private conservatories, called orangeries. By 1646, the sweet orange was well known throughout Europe

Spanish explorers introduced the sweet orange into the American continent. On his second voyage in 1493, Christopher Columbus took seeds of oranges, lemons, and citrons to Haiti and the Caribbean.

Subsequent expeditions in the mid-1500s brought sweet oranges to South America and Mexico, and to Florida in 1565, when Pedro Menéndez de Avilés founded St Augustine. Spanish missionaries brought orange trees to Arizona between 1707 and 1710, while the Franciscans did the same in San Diego, California, in 1769.

An orchard was planted at the San Gabriel Mission around 1804 and a commercial orchard was established in 1841 near present-day Los Angeles. In Louisiana, oranges probably were introduced by French explorers.

Propagation

It is possible to grow orange trees directly from seeds, but they may be infertile or produce fruit that may be different from its parent. For the seed of a commercial orange to grow, it must be kept moist at all times. One approach is placing the seeds between two sheets of damp paper towel until they germinate and then planting them, although many cultivators just set the seeds straight into the soil.

Commercially grown orange trees are propagated asexually by grafting a mature cultivar onto a suitable seedling rootstock to ensure the same yield, identical fruit characteristics, and resistance to diseases throughout the years.

 Propagation involves two stages: first, a rootstock is grown from seed. Then, when it is approximately one year old, the leafy top is cut off and a bud taken from a specific scion variety, is grafted into its bark. The scion is what determines the variety of orange, while the rootstock makes the tree resistant to pests and diseases and adaptable to specific soil and climatic conditions.

Thus, rootstocks influence the rate of growth and have an effect on fruit yield and quality.

Production



 Brazil is the world's leading orange producer, with an output almost as high as that of the next three countries combined (the United States, India, and China). Orange groves are located mainly in the state of São Paulo, in the southeastern region of Brazil, and account for approximately 80% of the national production.

Uses

  • The orange blossom, which is the state flower of Florida, is highly fragrant and traditionally associated with good fortune. It has long been popular in bridal bouquets and head wreaths.
  • Orange blossom essence is an important component in the making of perfume.
  • Orange blossom petals can also be made into a delicately citrus-scented version of rosewater, known as "orange blossom water" or "orange flower water". It is a common ingredient in French and Middle Eastern cuisines, especially in desserts and baked goods. In some Middle Eastern countries, drops of orange flower water are added to disguise the unpleasant taste of hard water drawn from wells or stored in qullahs (traditional Egyptian water pitchers made of porous clay). In the United States, orange flower water is used to make orange blossom scones and marshmallows.
  • In Spain, fallen blossoms are dried and used to make tea.
  • Orange blossom honey (or citrus honey) is obtained by putting beehives in the citrus groves while trees bloom. By this method, bees also pollinate seeded citrus varieties. This type of honey has an orangey taste and is highly prized.
  • Marmalade usually is made with Seville oranges. All parts of the fruit are used: the pith and pips (separated and placed in a muslin bag) are boiled in a mixture of juice, slivered peel, sliced-up flesh, sugar, and water to extract their pectin, which helps the conserve to set.
  • Orange peel is used by gardeners as a slug repellent.
  • Orange leaves can be boiled to make tea.
  • Orangewood sticks are used as cuticle pushers in manicures and pedicures, and as spudgers for manipulating slender electronic wires.
  • Orangewood is used in the same way as mesquite, oak, and hickory for seasoning grilled meat.
Medicinal Uses


  • Orange Juice Improves "Good" Cholesterol
  • Boost you immune system
  • Fights Against Viral Infections 
  • An infusion of the immature fruit is taken to relieve stomach and intestinal complaints.
  • Prevents Kidney Diseases -Drinking orange juice regularly prevents kidney diseases and reduces the risk of kidney stones. 
    Studies show that the abundance of polyphenols in oranges protects against viral infections.
  • Relieves Constipation -Oranges are full of dietary fiber which stimulates digestive juices and relieves constipation. 
  •  Helps Create Good Vision - Oranges are rich in carotenoid compounds which are converted to vitamin A and help prevent macular degeneration.
  • Regulates High Blood Pressure-The flavonoid hesperidin found in oranges helps regulate high blood pressure and the magnesium in oranges helps maintain blood pressure. 
  • Protects Skin -Oranges are full of beta-carotene is a powerful antioxidant protecting the cells from being damage which also protects the skin from free radicals and prevents the signs of aging. 
  • Oranges Alkalize the Body -Although oranges are acidic before you digest them, they contain many alkaline minerals that help to balance out the body after they are digested. In this respect, they are similar to lemons which are one of the most alkaline foods available. 
  • Provides Smart Carbs Oranges like all fruits have simple sugars in them, but the orange has a glycemic index of 40.  Anything under 55 is considered low. This means as long as you don’t eat a lot of oranges at one time, they won’t spike your blood sugar and cause problems with insulin or weight gain.
  • One study said that you can lower your anxiety level just by peeling an orange and sniffing it.
  • Orange Juice Boosts Bone Health
  • Oranges are rich in citrus limonoids, proven to help fight a number of varieties of cancer including that of the skin, lung, breast, stomach and colon.
  • Aromatherapists say that the sweet orange can help fight colds and the flu. 
  • Orange Juice (mixed with Blackcurrant Juice) Reduces Inflammation
  • Orange Juice Boosts Weight Loss
  • Orange Juice May Dissolve Kidney Stones
  • Orange Juice Extract Suppresses Prostate Proliferation   
  • Some people use bitter orange flower and its oil for general feebleness, “tired blood” (anemia), impurities of the skin, hair loss, cancer, frostbite, and as a tonic   
  • The bitter orange flower and bitter orange oil are used for gastrointestinal (GI) disorders including ulcers in the intestine, constipation, diarrhea, blood in feces, drooping (prolapsed) anus or rectum, and intestinal gas. 
  • Bitter orange peel is applied to the skin for swelling (inflammation) of the eyelid and its lining, as well as the retina in the eye. It is also used for bleeding from the retina, exhaustion accompanying colds, headaches, nerve pain, muscular pain, joint pain, bruises, swelling of the veins (phlebitis), and bed sores.

  • Orange flower water, made in Italy and France as a cologne, is bitter and considered antispasmodic and sedative.
  • A decoction of the dried leaves and flowers is given in Italy as an antispasmodic, cardiac sedative, antiemetic, digestive and remedy for flatulence.
  • The inner bark, macerated and infused in wine, is taken as a tonic and carminative
  • A vinous decoction of husked orange seeds is prescribed for urinary ailments in China and the juice of fresh orange leaves or a decoction of the dried leaves may be taken as a carminative or emmenagogue or applied on sores and ulcers.  
  • An orange seed extract is given as a treatment for malaria in Ecuador but it is known to cause respiratory depression and a strong contraction of the spleen. 
  • Banishes pneumonia. -That's three oranges or less than two glasses of orange juice a day. 

Soil Type

Citrus will grow in most soils from sandy to adobe clay, provided it drains well. Sandy soils must be watered and fertilized more frequently than soils with a higher clay content and growers can add organic matter such as manure or compost to improve water and nutrient holding abilities.

Irrigating and Fertilizing

Water quality is very important. Water high in salt content, common in some desert regions, can cause injury to leaves, burning leaf tips and margins. Lower levels of salts can cause the tree to grow poorly or to produce fewer or smaller fruit.
Nutrients that citrus needs in relatively large amounts are nitrogen, phosphorous, potassium, sulfur and calcium. In lesser amounts, citrus requires iron, magnesium, copper, zinc, manganese, molybdenum, boron and chlorine. In California and Arizona soils, usually only nitrogen must be added, most often in late winter to meet the demands of spring bloom.

Pruning

Unlike most other fruit trees, citrus trees don't require regular pruning. Commercial growers trim tree tops to keep them smaller so they are easier, safer and less expensive to pick, and "hedge" the sides to let more sunlight into the trees to improve yields. Hand pruning opens up the trees to allow more sunlight into the center.

Orange Salad


Ingredients:
  • 1 pound fresh spinach
  • 2 tablespoons lemon juice
  • 1/4 cup olive oil
  • few drops of stevia
  • Tamari or Braggs to taste
  • 1 avocado, diced
  • 1/4 cup chopped walnuts, roasted till golden
  • 2 mandarin orange sections
Directions:
1.    Wash and trim spinach; pat dry with paper towels.
2.    Combine lemon juice, oil, stevia and Tamari or Braggs in large bowl; add avocado cubes, coating well with the dressing.
3.    Toss spinach and walnuts with avocado and dressing.
4.    Add mandarin orange sections and toss spinach salad again.