The Commercial Products of the Vegetable Kingdom Part 10

The best season for planting the trees is the middle of the month of May, if there be then a sufficient degree of moisture; but the operation is often performed successfully during the rainy month of October; subject always to the risk, however, of serious injury to the young plantation from the north winds which prevail at that advanced season of the year. The holes prepared to receive the plants are eighteen inches in diameter, and about two feet deep.

In the island of Cuba there are two rival modes of planting the coffee tree. The one is called "la siembra a la mota;" the other "la siembra a la estaca."

By the method "a la mota," a circle is formed around the plant in the nursery, and care is taken to remove it without disturbing the earth around the roots. The plants are then placed carefully in willow baskets, prepared for the purpose, and carried to the holes already opened for their reception; gathering up the earth around the stem, and pressing it carefully down with the foot, in such a manner as to form a basin or filter for the reception of the rain-water, and for suffering it to percolate among the roots, and also to provide a convenient place of deposit for the subsequent application of manure.

The "siembra a la estaca" is differently executed. Such plants are selected from the nursery as are of the thickness of the little finger, or from that to an inch in diameter. In withdrawing them from the ground, great care is taken not to injure or compress the bulbs or b.u.t.tons within, eight or ten inches of the level of the soil, because these are to serve for the production of fresh roots when the "estaca" is afterwards planted more deeply in its permanent position. The greater part of the capillary roots are cut away with a knife; but a few, together with the princ.i.p.al root, are suffered to remain from four to six inches long. In planting them, from three to four inches of the trunk are left above ground. The little basin of earth for the reception and filtration of the rain-water, is not so large in the stake system of planting as in that with the clod of earth "a la mota;" but if the soil be poor, it must be proportionably enlarged to admit the application of the necessary quant.i.ty of manure.

The stake system, requiring much less labour than the other, is generally preferred; but when there is abundance of shade to protect the young plant from drought, and always, of course, in replacing the decayed trees of an old plantation, it is considered more desirable to remove the whole plant, its roots and branches entire, with as much as possible of the adhering soil from the nursery, according to the system "a la mota."

In the third or fourth year of the plantation, the trees, according to the best system of husbandry, are pruned down to the height of three feet from the ground on the richest soil, and still lower in proportion to its sterility. All the branches which are not as nearly as possible at right angles with the trunk, are likewise removed by the pruning-knife, so that in the following spring the whole stem is covered with fresh shoots. By this operation the power of nature seems to be exhausted, as for that year the trees in general bear no fruit; but in subsequent seasons the loss is amply repaid by a crop often greater than the branches can support, or than the flow of nourishment is always able to bring to full size and maturity.

The machinery for removing the external pulp of the coffee-bean is seldom of a very perfect description in this island, and the loss sustained in consequence is often very considerable. It is almost uniformly moved by the power of horses or oxen, working in a gin, and the name it bears is that of the _Descerecador_. The Barbecues, when the coffee is laid out to dry, are called indiscriminately _Tendales_ or _Secadores_. They are more numerous and of smaller dimensions than is customary in the British colonies, where a single barbecue, laid down with tiles or plaster, is considered sufficient for a whole estate.

The warehouse for receiving the crop and preserving the coffee after it is put into bags and ready for the market, is generally of such limited dimensions as to be barely sufficient for the purposes for which it is designed; so that, when the harvest has been abundant, or when anything has occurred to interfere with the despatch of what is ready for removal, the constant acc.u.mulation is attended with serious inconvenience. In fact, the occupation of the coffee planter has been for some time on the decline in the island, owing to the superior rate of profit derived from the making of sugar; and everything reminds you of it, the _moleno de pilar_, the _aventador_, and the _separador_, down to the humblest implement of husbandry on the estate.

The gathering of the fruit commences in Cuba in August; but November and December are the most active and important months of the harvests. The labourers are sent out with two baskets each, one large, the other small. Every labourer has a file of coffee trees a.s.signed to him; the large basket he leaves near the place where his work is to begin; the other he carries with him to receive the berries from the trees; and as often as it is full he empties it into the large one. The baskets are made of rushes, willows, or bamboo; and the large one is of such a size that three of them ought to fill the barrel, without top or bottom, which serves the purposes of a measure at the _Tendal_ or Secador.

Three baskets, or one barrel-measure, of the newly-gathered coffee berry, ought to produce thirty pounds after the process of drying, the removal of the pulp, and the final preparation for the market.

When there is a sufficient number, or a sufficient s.p.a.ce of Barbecues or Secadors, sixty or seventy barrels only are put together; but from want of room it often happens that the quant.i.ty amounts to a hundred barrels. In either case, the whole is gathered into two great heaps, and in this state it is allowed to remain for four-and-twenty hours, in order to subject it to a certain degree of fermentation. After this, it is spread out to dry over the whole surface of the Barbecue, and until it is sufficiently so, it remains there uncovered day and night. When the dessication is found to be far enough advanced, it is no longer exposed during the night; nor even during the day, if the weather be damp or unfavorable. The subsequent operations are certainly not better, probably not so well, conducted as in our own West India possessions.

In the fourth year, it is presumed that the agricultural produce of the land, and the first returns of coffee, should be sufficient to meet all the current expenses. At the end of the fifth year there ought to be forty thousand coffee trees four years old on the estate, 60,000 of three years, and 100,000 of two and one year, the produce of which ought to be at least 400 quintals, which, at a moderate estimate, should be worth 2,400 dollars. Thus the calculation goes on until we arrive at the end of the seventh year, when the estate ought to be in full bearing. The returns are estimated at 3,000 arrobas, or 750 quintals, which, at eight dollars per quintal delivered free on board, make 6,000 dollars. The minor products of the estate, such as Indian corn, pigs, and oil, are given at 1,130 dollars, making the gross returns 7,130 dollars; and, after deducting the annual expenses, leaving 5,300 dollars as the regular return on the capital invested, which, having been about 40,000 dollars, gives about thirteen per cent.; not certainly to be considered extravagant in a country where twelve per cent, is the regular rate of interest. The produce of coffee from each section is given at 400 arrobas, or 3,500 arrobas for the whole of the nine sections. The average price of coffee, free of the expense of carriage, is a.s.sumed to be two dollars the arroba, or eight dollars per quintal, which would give a return of 7,200 dollars, besides the repayment of the rent by the colonists.

The cultivation of coffee has been falling off in Cuba for several years past, the crops it is a.s.serted being too precarious there, and the prices too low to encourage the continuance of planting. On the northern side of the island is where this decrease is most perceptible, several of the largest estates having been converted to the growth of sugar and tobacco, others abandoned to serve as pasture fields, and the very few remaining yielding less and less every year.

Henceforward the culture of this berry here is likely to be very insignificant, and not many years will elapse before the amount produced will merely suffice for the local consumption. About St. Jago de Cuba the cultivation is more attended to, the article forming still their princ.i.p.al export. Taking five quinquennial periods, the following figures show the average annual exports of coffee:--

arrobas.

1826 to 1830 1,718,865 1830 " 1835 1,995,832 1835 " 1840 1,877,646 1841 " 1846 1,887,444 1846 " 1851 768,244

The better to exhibit the decrease of production throughout the island, I may state that the export from 1839 to 1841 inclusive, was in the aggregate 1,332,221 quintals; 1842 to 1844, inclusive, was in the aggregate 1,217,666 quintals; 1845 to 1847, inclusive, was in the aggregate but 583,208 quintals. The exports of coffee for the whole island, were, in 1840, 2,197,771 arrobas; in 1841, 1,260,920 arrobas.

In 1847 there were 2,064 plantations under cultivation with coffee in Cuba, in 1846 there were only 1,670. The production of 1849 was 1,470,754 arrobas, valued at 2,206,131 dollars. From the year 1841 to 1846, the average yearly production was 45,236,100 lbs.; but from 1846 to 1851, it was only 19,206,100 lbs.; showing a falling off of 72 per cent.; the production still further decreased in 1851, it being only 13,004,350 lbs., or 1.52 per cent. less than the preceding year. This enormous decline in the production of coffee has been caused by the low price of the article in the markets of Europe and the United States, coupled with the more remunerative price of sugar, during the same period; causing capitalists rather to invest money in the formation of new sugar estates. As a consequence, many coffee plantations have been turned into cane cultivation; or, being abandoned, the slaves attached thereto were sold or leased to sugar planters.

The following is private information from a correspondent:--

"We generally plant about 200,000 trees within a s.p.a.ce of 500 feet, choosing the strongest soil. I have adopted a different system from the one generally in use here, for they usually plant the trees too near each other. I find by giving them s.p.a.ce and air, that the plant develops itself and yields more beans. It is very important to protect the trees from the rays of the sun, for which purpose I plant bananas at intermediate rows; their broad leaves, like parasols, shed a delightful shade round the coffee plant, and tend to acc.u.mulate the moisture which strengthens the roots of the young tree.

When the tree is about two years old the top branches are lopped off for the purpose of throwing the sap into the bean. Some planters cut the trees so short, that they do not allow them to stand more than five or six feet above the ground; but I allow mine to attain greater height prior to lopping them, whereby they produce larger crops. Nor do I allow my negroes to beat the trees, or force them to pluck a certain quant.i.ty a day, for I discovered that they picked the ripe and unripe beans indiscriminately--frequently injuring the trees. I only allow them to shake the tree, and pick up the beans that have fallen during the night."

Coffee exports from the ports of Havana and Matanzas, in Cuba, for the years ending December in

Quintals.

1839 344,725 1840 402,135 1841 212,767 1842 314,191 1843 223,265 1844 186,349 1845 42,409 1846 65,045 1847 106,904 1848 31,674 1849 92,974 1852 42,510

Porto Rico exported 85,384 cwt. of coffee in 1839.

_Africa_.--Coffee will require some four years to grow before it will give to the cultivator any income, but it should be known that after that time the tree, with little or no labor bestowed on it, will yield two crops a year. The quality of coffee grown in the republic of Liberia, on the western coast of Africa, is p.r.o.nounced by competent judges to be equal to any in the world. In numerous instances, trees full of coffee, are seen at only three years old. 214 casks and bags of coffee were imported from the western coast of Africa in 1846.

Coffee, it has been proved, can be cultivated with great ease to any extent in the republic of Liberia, being indigenous to the soil, and found in great abundance. It bears fruit from thirty to forty years, and yields 10 lbs. to the shrub yearly! A single tree in the garden of Colonel Hicks, a colonist at Monrovia, is said to have yielded the enormous quant.i.ty of 16 lbs. at one gathering. Judge Benson, in 1850, had brought 25 acres under cultivation, and many others had also devoted themselves to raising coffee. It was estimated there were about 30,000 coffee trees planted in one of the counties, that of Grand Ba.s.sa, and the quality of the produce was stated to be equal to the best Java.

About the villages and settlements of the Sherbro river, and Sierra Leone, wild coffee-trees are very abundant. In several parts of the interior, the natives make use of the shrub to fence their plantations.

Coffee has been successfully grown at St. Helena, of an excellent quality, and might be made an article of export.

Portugal sent to the Great Exhibition, in 1851, a very valuable series of coffees from many of her colonies; of ordinary description from St.

Thomas; tolerably good from the Cape de Verd islands; bad from Timor; worse (but curious from the very small size of the berry) from Mozambique; good from Angola; and excellent from Madeira.

Aden, alias Mocha coffee, is, along with the other coffees of the Red Sea, sent first to Bombay by Arab ships, where it is "garbelled," or picked, previously to its being exported to England.

An excellent sample of coffee, apparently of the Barbera (Abyssinia) variety, was contributed to the Great Exhibition from Norfolk Island.

It was of good color, well adapted for roasting, and a most desirable novelty from that quarter.

Dr. Gardner, of Ceylon, has taken out a patent for preparing the coffee leaf in a manner to afford a beverage like tea, that is by infusion, "forming an agreeable refreshing and nutritive article of diet." An infusion of the coffee-leaf has long been an article of universal consumption amongst the natives of parts of Sumatra; wherever the coffee is grown, the leaf has become one of the necessaries of life, which the natives regard as indispensable.

The coffee-plant, in a congenial soil and climate, exhibits great luxuriance in its foliage, throwing out abundance of suckers and lateral stems, especially when from any cause the main stem is thrown out of the perpendicular, to which it is very liable from its great superinc.u.mbent weight compared with the hold of its root in the ground. The native planters, availing themselves of this propensity, often give this plant a considerable inclination, not only to increase the foliage, but to obtain new fruit-bearing stems, when the old ones become unproductive. It is also found desirable to limit the height of the plant by lopping off the top to increase the produce, and facilitate the collecting it, and fresh sprouts in abundance are the certain consequence. These are so many causes of the development of a vegetation, which becomes injurious to the quant.i.ty of the fruit or berry unless removed; and when this superabundant foliage can be converted into an article of consumption, as. .h.i.therto the case in Sumatra, the culture must become the more profitable; and it is clearly the interest of the planters of Ceylon to respond to the call of Dr. Gardner, and by supplying the leaf on reasonable terms, to a.s.sist in creating a demand for an article they have in abundance, and which for the want of that demand is of no value to them. It ought to be mentioned also, that the leaves which become ripe and yellow on the tree and fall off in the course of nature, contain the largest portion of extract, and make the richest infusion; and I have no doubt, should the coffee leaf ever come into general use, the ripe leaf will be collected with as much care as the ripe fruit.

The mode of the preparation by the natives is this. The ends of the branches and suckers, with the leaves on; are taken from the tree and broken into lengths of from twelve to eighteen inches. These are arranged in the split of a stick or small bamboo, side by side, forming a truss in such a manner, that the leaves all appear on one side, and the stalk on the other, the object of which is to secure equal roasting, the stalks being thus exposed to the fire together, and the leaves together. The slit being tied up in two or three places, and a part of the stick or bamboo left as a handle, the truss is held over a fire without smoke, and kept moving about, so as to roast the whole equally, without burning, on the success of which operation the quality and flavor of the article must depend. When successfully roasted, the raw vegetable taste is entirely dissipated, which is not the ease if insufficiently done. When singed or overdone, the extract is destroyed and the aroma lost. When the fire is smoky, the flavor varies with the nature of the smoke. The stalks are roasted equally with the leaves, and are said to add fully as much to the strength of the infusion. By roasting the whole becomes brittle, and is reduced to a coa.r.s.e powder by rubbing between the hands. In this state it is ready for use, and the general mode of preparing the beverage is by infusion, as in the case of common tea.

That it would soon become a most valuable article of diet amongst the laboring cla.s.ses, and on ship board particularly, if, once brought into use, there can be no doubt. The coffee-tree can be grown to advantage for the leaf in the lowlands of every tropical country, where the soil is sufficiently fertile, whilst it requires a different soil and climate to produce the fruit[7]. Dr. Hooker, in the Jury Reports, observes upon the prepared coffee leaves, submitted by Dr.

Gardner, of Ceylon, to be used as tea leaves, that they are worthy of notice as affording a really palatable drink when infused as tea is; more so, perhaps, than coffee is to the uninitiated. That this preparation contains a considerable amount of the nutritious principles of coffee, is evident from the a.n.a.lysis; but as the leaves can only be collected in a good state at the expense of the coffee bush, it is doubtful whether the coffee produced by the berries be not, after all, the cheapest, as it certainly is the best.

TEA.

The immense traffic in the produce of this simple shrub, the growth of a remarkable country, hitherto almost entirely isolated from the western nations, is one of the most remarkable ill.u.s.trations of the enterprise and energy of modern commerce. The trade in tea now gives employment to upwards of 60,000 tons of British shipping, and about ten millions sterling of English capital, producing a revenue to this country of nearly six millions sterling.

Every reflecting man will admit that articles of such vast consumption as tea and coffee (amounting together to more than 343,500 tons annually), forming the chief liquid food of whole nations, must exercise a great influence upon the health of the people.

There is scarcely any country in the world in which a dietetic drink or beverage resembling tea, is not prepared, and in general use, from some exotic or indigenous shrub. The two chief plants laid under contribution are, however, the Chinese tea-plant, and a species of holly peculiar to South America, producing the Paraguay tea. _Astoria theiformis_ is used at Santa Fe as tea. The leaves of _Canothus America.n.u.s_, an astringent herb, have been used as a subst.i.tute, under the name of New Jersey tea.

It has been a matter of surprise why tea should be so much sought after by the poorer cla.s.ses, since by many it is looked on more as a luxury than of use to the human system. The manner in which it acts, and the cause why it is so much in demand by all cla.s.ses, is satisfactorily explained by Liebig; and the benefit, therefore, which will be conferred by selling it at a low rate, and thus placing it within the means of all, has at last come to be duly appreciated.

Liebig says, without entering minutely into the medical action of caffeine, theine, &c., it will surely appear a most striking fact, even if we were to deny its influence on the process of secretion, that the substance, with the addition of oxygen and the elements of water, can yield taurine, the nitrogenised compound peculiar to bile:--

Carbon. Nitrogen. Hydrogen. Oxygen.

1 atom caffeine or theine = 8 2 5 2 9 atoms water = -- -- 9 9 9 atoms oxygen = -- -- -- 9 __ __ __ __ = 2 atoms taurine 8 2 14 20 = 2 4 9 10

To see how the action of caffeine, theobromine, theine, &c., may be explained, we must call to mind that the chief const.i.tuent of the bile contains only 3.8 per cent. of nitrogen, of which only the half, or 1.9 per cent., belongs to the taurine; bile contains, in its natural state, water and solid matter, in the proportion of ninety parts by weight of the former, to ten of the latter. If we suppose these ten parts, by weight of solid matter, to be chloric acid, with 3.87 per cent. of nitrogen, then 100 parts of theine would contain 0.171 of nitrogen in the shape of taurine. Now this quant.i.ty is contained in 0.6 parts of theine, or 2 grains 8/10ths of theine can give to an ounce of bile the nitrogen it contains in the form of taurine.

Although an infusion of tea contains no more than the one-tenth of a grain of theine, still, if it contribute in point of fact to the formation of bile, the action even of such a quant.i.ty cannot be looked upon as a nullity. Neither can it be denied, that in the case of an excess of non-azotised food, and a deficiency of motion, which is required to cause the change of matter of the tissues, and thus to yield the nitrogenised product which enters into the composition of the bile, that in such a condition the health may be benefited by the use of compounds which are capable of supplying the place of the nitrogenised substances produced in the healthy state of the body, and essential to the production of an important element of inspiration. In a chronical sense, and it is this alone which the preceding remarks are intended to show, caffeine, or theine, &c., are, in virtue of their composition, better adapted to this purpose than all nitrogenised vegetable principles. The action of these substances in ordinary circ.u.mstances is not obvious, but it unquestionably exists.

Tea and coffee were originally met with among nations whose diet was chiefly vegetable.

Considerable discussion has taken place regarding the tea plants; some say that there is only one species; others that there are two or three. Mr. Fortune, who visited the tea districts of Canton, Fokien, and Chekiang, a.s.serts that the black and green teas of the northern districts of China are obtained from the same species or variety, known under the name of _Thea Bohea_. Some make the a.s.sam tea a different species, and thus recognise three: _T. Cantoniensis_ or _Bohea_, _T. Viridis_, and _T. a.s.samica_. The quality of the tea depends much on the season when the leaves are picked, the mode in which it is prepared, as well as the district in which it grows. The green teas include Tw.a.n.kay, Young Hyson, Hyson, Gunpowder, and Imperial; while the black comprise Bohea, Congou, Souchong, Oolong, and Pekoe. The teas of certain districts, such as Anhoi, have peculiar characters.

The first tea imported into England was a package of two pounds, by the East India Company, in 1664, as a present to the king; in 1667, another small importation took place, from the company's factory at Bantam. The directors ordered their servants to "send home by their ships 100 pounds weight of the best _tey_ they could get." In 1678 were imported 4,713 lbs.; but in the six following years the entire imports amounted to no more than 410 lbs. According to Milburn's "Oriental Commerce," the consumption in 1711 was 141,995 lbs.; 120,595 lbs. in 1715, and 237,904 lbs. in 1720. In 1745 the amount was 730,729 lbs. For above a century and a half, the sole object of the East India Company's trade with China was to provide tea for the consumption of the United Kingdom. The company had the exclusive trade, and were bound to send orders for tea, and to provide ships to import the same, and always to have a year's consumption in their warehouses. The teas were disposed of in London, where only they could be imported, at quarterly sales. The act of 1834, however, threw open the trade to China.

From a Parliamentary return, showing the quant.i.ty of tea retained for home consumption in the United Kingdom, in each year, from 1740 to the termination of the East India Company's sales, and thence to the present time, it appears that in 1740, 1,493,695 lbs. of tea were retained for home consumption. Two years afterwards, the quant.i.ty fell to 473,868 lbs., and in 1767 only 215,019 lbs. were retained. Next year the amount increased to 3,155,417 lbs.; in 1769 it was 9,114,854 lbs.; in 1795, 21,342,845 lbs.; in 1836, 49,842,236 lbs.

The return in question also specifies the quant.i.ty of the various kinds of tea, with the average sale prices.