A forest crop that has not been extensively cultivated is ivory nuts from the tagua palm.

Nearly all of the farm equipment manufacturers and dealers say the upturn in sales has resulted chiefly from the recent improvement in crop prospects.

Though they saw the old-style chemical rockets lift up from the field beyond B'dikkat's cabin, they did not make plans to hide among the frozen crop of transmuted flesh.

However, actual rainfall from year to year is irregular and occasionally may be less than, leading to severe reductions in crop yields for both rain-fed and irrigated agriculture.

They also wanted village cooperatives to keep the profit from crop sales in local hands, and credit institutions to underwrite needed improvements.

It has been claimed by one study that abiotic stress causes the most crop loss of any other factor and that most major crops are reduced in their yield by more than 50 % from their potential yield.

Abacá ( ; from Spanish " abacá " for Musa textilis ), Musa textilis, is a species of banana native to the Philippines, grown as a commercial crop in the Philippines, Ecuador, and Costa Rica.

The annual yields have suffered from increased prevalence of crop pathogens.

The RAND Corporation's Memorandum 5446-ISA / ARPA states: " the fact that the VC obtain most of their food from the neutral rural population dictates the destruction of civilian crops ... if they ( the VC ) are to be hampered by the crop destruction program, it will be necessary to destroy large portions of the rural economy – probably 50 % or more ".

The British introduced sugar cane which was to become the main crop and source of foreign trade, and slaves were brought from Africa to work on the sugar cane plantations.

Most of the other light aircraft acquired by the FABF in the 1970s and 1980s have also now been retired along with the Mi-4 helicopters, but some recent acquisitions have been made, including a Beechcraft King Air, a Piper PA-34 Seneca, a CEAPR Robin light training aircraft, and a single Air Tractor AT-802 aerial sprayer aircraft for spraying insecticides, purchased after the northern part of the country suffered heavy crop damage from a 2004 invasion of swarming locusts.

Using the techniques of modern biotechnology, one or two genes ( Smartstax from Monsanto in collaboration with Dow AgroSciences will use 8, starting in 2010 ) may be transferred to a highly developed crop variety to impart a new character that would increase its yield.

The importance of foodcrops over exported cash crops is illustrated by the fact that the total production of cassava, the staple food of most Central Africans, ranges between c. 200, 000 and 300, 000 tons a year, while the production of cotton, the principal exported cash crop, ranges from c. 25, 000 to 45, 000 tons a year.

soil degradation and erosion results from crop cultivation on slopes without proper terracing ; deforestation

Like most Virginia planters, he imported luxuries and other goods from England and paid for them by exporting his tobacco crop.

In 1766, he started switching Mount Vernon's primary cash crop away from tobacco to wheat, a crop that could be processed and then sold in various forms in the colonies, and further diversified operations to include flour milling, fishing, horse breeding, spinning, weaving and ( in the 1790s ) whiskey production.

The fact that living things inherit traits from their parents has been used since prehistoric times to improve crop plants and animals through selective breeding.

This was exacerbated after the repeal of the Corn Laws in mid-century, when Britain adopted a free trade policy, and grain imports from America undermined the profitability of crop production.

Almost 50 % of the population earn income through informal crop cultivation or animal husbandry with nearly two-thirds of the country's income coming from the agricultural sector.

On this day it was customary to bring to church a loaf made from the new crop, which began to be harvested at Lammastide.

In the late 1960s, due to Ne Win's propaganda that the Chinese were responsible for crop failures, and the increasing number of ethnic Chinese students supporting Mao Zedong, by carrying the Quotations from Chairman Mao Zedong books, anti-Chinese riots broke out in June 1967.

The aircraft, a Boeing 737, landed in a crop field not far from the city of Rafaela.

Olive oil is a fat obtained from the olive ( the fruit of Olea europaea ; family Oleaceae ), a traditional tree crop of the Mediterranean Basin.

At the beginning of the autumn, when the seeds of the old crop are laid on the fields, she ascends and is reunited with her mother Demeter, for at that time the old crop and the new meet each other.

He inculcated in the local populace a belief that the old gods were real and worshiping the gods by farming the new crop strains would deliver them from their meagre livelihood.

Tobacco farming became an important crop in the local area throughout the 1900s and many old tobacco barns are still standing.

Its flower hay meadow is an ecological relict with a high plant diversity due to the continuing centuries old practice of receiving only a cut in late season for a hay crop.

Digging is practiced traditionally in countries with old, deep, rich soils such as Western Europe, however traditionally there, this is followed by periodic resting of the soil, usually with an undisturbed cover crop.

Many old crop varieties, such as King Edward potato are also very susceptible but are grown because they are wanted commercially.

They also commonly use new and clear-felled conifer plantations until the new tree crop is about 5 – 6 years old and a metre or two tall.

In 2009, investigation of crop marks near Stonehenge revealed a variety of 6, 000 year old prehistoric subterranean structures.

In a crop of outstanding two year olds Mill Reef was rated 1 lb below his French conqueror My Swallow, who went on to remain unbeaten in 7 races including all of France's top two year old races, and 1 lb ahead of the unbeaten Middle Park Stakes winner Brigadier Gerard.

As part of an agricultural crop rotation programme of old beans were grown to supply nitrogen to the soil.

He proposes to go himself, and he will not go without his old team, ' Team Dædalus ': Jerry O ' Neill ( Sutherland ), a skirt-chasing engineer who designs roller coasters since abandoning supersonic stealth aircraft ; former Air Force pilot-turned crop duster and stubborn risk-taker William " Hawk " Hawkins ( Jones ); and former navigator " Tank " Sullivan ( Garner ), who is now a Baptist minister.

) Sailer argues that the end of the crack wars was more significant than abortion -- and that, contrary to what Levitt's thesis would suggest, " the murder rate for 1993's crop of 14-to 17-year-olds ( who were born in the high-abortion years of 1975 to 1979 ) was a horrifying 3. 6 times that of the kids who were 14 to 17 years old in 1984 ( who were born in the pre-legalization years of 1966 to 1970 ).

Lord Worplesdon is Bertie Wooster's uncle by marriage, and once chased the fifteen-year old Bertie " for five miles across difficult terrain " with a hunting crop, after finding him smoking one of his special cigars.

As the métayage practice changed, the term colonat partiaire began to be applied to the old practice of sharing-out the actual crop, while métayage was used for the sharing-out of the proceeds from the sale of the crops.

While Muir wanted nature preserved for the sake of pure beauty, Roosevelt subscribed to Pinchot's formulation, " to make the forest produce the largest amount of whatever crop or service will be most useful, and keep on producing it for generation after generation of men and trees.

The addition of the extra month was also based on observation of natural events, namely the ripening of the barley crop, the age of the kids, lambs and doves, the ripeness of the fruit trees, and the relation to the Tekufah ( seasons ).

Lammas leaves or Lammas growth refers to a second crop of leaves produced in high summer by some species of trees in temperate countries to replace those lost to insect damage.

Pendolino olive trees are partially self-fertile, but pollenizers are needed for a large fruit crop.

While Muir wanted nature preserved for the sake of pure beauty, Roosevelt subscribed to Pinchot's formulation, " to make the forest produce the largest amount of whatever crop or service will be most useful, and keep on producing it for generation after generation of men and trees.

Even during heavy seed crop years, only about 25 percent of trees in closed stands produce an appreciable number of cones.

The trees themselves can usually tolerate temperatures to around, although the following season's flower buds are usually killed at these temperatures, leading to no crop that summer.

Punica granatum is grown as a fruit crop plant, and as ornamental trees and shrubs in parks and gardens.

The main aim when pruning fruit trees is usually to obtain a decent crop of fruit rather than a tree with an abundance of lush yet unproductive foliage.

Unpruned trees tend to produce large crops of small, worthless fruit often damaged by pests and diseases, and much of the crop is out of reach at the top of the tree.

; vegetable oil, leading to the increased production of poppies, olives, and rapeseed ; resinous trees, leading to more bees, hence crop pollination ; whale oil, leading to a larger merchant navy that would boost France's prestige and standing.

Cotton was the leading crop for a time, followed by corn, sorghum, and fruit trees.

Logging soon declined, since the forests were not replanted after trees were harvested ; howeer, cotton continued to be a major crop until the 1960s.

Whenever Ndengei shakes himself fertilising rain will fall, delicious fruits hang on the trees, and the yam fields yield an excellent crop.

Peaches are no longer the primary crop in the area, however and have been replaced for the most part by almond trees.

Others climb up tall plants, including crop species as well as bushes and trees, and will also climb man-made structures such as posts, fences, etc.

Irrigation began in 1881 and the main crop was fruit trees.

In some cases, these are rather sober, while in others, visitors will find fertile land with century-old olive trees, fruit trees, meadows and crop fields.

Cacao trees, introduced in 1878, brought the first cash crop to the farmers of the interior ; it became the mainstay of the nation's economy in the 1920s when disease wiped out Brazil's trees.

Today, the U. S. produces between 80 % and 95 % of the world's pecans, with an annual crop of 150 – 200 thousand tons from more than 10 million trees.

This makes it a potential tool in forest maintenance, since it provides a profitable crop that depends on rather than replaces trees.

Ornamental plants and trees are distinguished from utilitarian and crop plants, such as those used for agriculture and vegetable crops, and for forestry or as fruit trees.