Next to the manures above mentioned, the dung of swine is highly esteemed, Columella being the only writer that condemns it. Some, again, speak highly of the dung of all quadrupeds that have been fed on cytisus, while there are others who prefer that of pigeons. Next to these is the dung of goats, and then of sheep; after which comes that of oxen, and, last of all, of the beasts of burden. Such were the distinctions that were established between the various manures among the ancients, such the precepts that they have left us, and these I have here set forth as being not the mere subtle inventions of genius, but because their utility has been proved in the course of a long series of years. In some of the provinces, too, which abound more particularly in cattle, by rea- son of their prolific soil, we have seen the manure passed through a sieve like so much flour, and perfectly devoid, through lapse of time, of all bad smell or repulsive look, being changed in its appearance to something rather agreeable than otherwise. In more recent times it has been found that the olive thrives more particularly in soil that has been manured with the ashes of the lime-kiln. To the ancient rules Varro has added, that corn land should be manured with horsedung, that being the lightest manure of all, while meadow land, he says, thrives better with a manure of a more heavy nature, and supplied by beasts that have been fed upon barley; this last tending more particularly to the better growth of grass. Some persons, indeed, prefer the dung of the beasts of burden to that of oxen even, the manure of the sheep to that of the goat, and the manure of the ass to all others, the reason being that that animal masticates the most slowly of them all. Experience, however, has pronounced against these dicta of Varro and Columella; but it is universally agreed by all writers that there is nothing more beneficial than to turn up a crop of lupines, before they have podded, with either the plough or the fork, or else to cut them and bury them in heaps at the roots of trees and vines. It is thought, also, that in places where no cattle are kept, it is advantageous to manure the earth with stubble or even fern. “ You can make manure,” Cato says, “of litter, or else of lupines, straw, beanstalks, or the leaves of the holm-oak and quercus. Pull up the wallwort from among the crops of corn, as also the hemlock that grows there, together with the thick grass and sedge that you find growing about the willow-plots; of all this, mixed with rotten leaves, you may make a litter for sheep and oxen. If a vine should happen to be but poor and meagre, prune the shoots of it, and plough them in round about it.” The same author says, also, “When you are going to sow corn in a field, fold your sheep there first.”
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CHAP. 7.
COPS WHICH TEND TO IMPROVE THE LAND: CROPS WHICH EXHAUST IT.
Cato says, also, that there are some crops which tend to nourish the earth: thus, for instance, corn land is manured by the lupine, the bean, and the vetch; while, on the other hand, the chick-pea exercises a contrary influence, both because it is pulled up by the roots and is of a salt nature; the same is the case, too, with barley, fenugreek, and fitches, all of which have a tendency to burn up corn land, as, in fact, do all those plants which are pulled up by the roots. Take care, too, not to plant stone-fruits on corn land. Virgil is of opinion, also, that corn land is scorched by flax, oats, and poppies.
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CHAP. 8.
THE PROPER MODE OF USING MANURE.
It is recommended, also, that the dung-heap should be kept in the open air, in a spot deep sunk and well adapted to receive the moisture: it should be covered, too, with straw, that it may not dry up with the sun, care being taken to drive a stake of robur into the ground, to prevent serpents from breeding there. It is of the greatest consequence that the manure should be laid upon the land while the west winds prevail, and during a dry moon. Most persons, however, misunderstand this precept, and think this should be done when the west winds are just beginning to blow, and in the month of February only: it being really the fact that most crops require manuring in other months as well. At whatever period, however, it may be thought proper to manure the land, the greatest care should be taken that the wind is blowing due west at the time, and that the moon is on the wane, and quite dry. Such precautions as these will increase in a most surprising degree the fertilizing effects of manure.
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CHAP. 9. (10.)
THE MODES IN WHICH TREES BEAR.
Having now treated at sufficient length of the requisite conditions of the weather and the soil, we shall proceed to speak of those trees which are the result of the care and inventive skill of man. Indeed, the varieties of them are hardly less numerous than of those which are produced by Nature, so abundantly have we testified our gratitude in return for her numerous bounties. For these trees, we find, are reared either from seed, or else by transplanting, by layers, by slips torn from the stock, by cuttings, by grafting, or by cutting into the trunk of the tree. But as to the story that the leaves of the palm are planted by the Babylonians, and so give birth to a tree, I am really surprised that Trogus should have ever believed it. Some of the trees are reproduced by several of the methods above enumerated, others, again, by all of them.
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CHAP. 10.
PLANTS WHICH ARE PROPAGATED BY SEED.
It is Nature herself that has taught us most of these methods, and more particularly that of sowing seed, as it was very soon evident how the seed on falling to the ground revived again in germination. Indeed, there are some trees that are capable of being propagated in no other way, the chesnut and the walnut, for instance; with the sole exception, of course, of such as are employed for coppice wood. By this method, too, as well as the others, some trees are propagated, though from a seed of a different nature, such, for instance, as the vine, the apple, and the pear; the seed being in all these cases in the shape of a pip, and not the fruit itself, as in that of the chesnut and the walnut. The medlar, too, can also be propagated by the agency of seed. All trees, however, that are grown by this method are very slow in coming to maturity, degenerate very rapidly, and must often be renewed by grafting: indeed, the chesnut even sometimes requires to be grafted.
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CHAP. 11.
TREES WHICH NEVER DEGENERATE.
On the other hand, there are some trees which have the property of never degenerating, in whatever manner they are reproduced, the cypress, palm, and laurel, for instance: for we find that the laurel is capable of being propagated in several ways. We have already made mention of the various kinds of laurel; those known as the Augustan, the baccalis, and the tinus are all reproduced in a similar manner. The berries are gathered in the month of January, after they have been dried by the north-east winds which then prevail; they are then kept separate and exposed to the action of the air, being liable to ferment if left in a heap. After this, they are first seasoned with smoke, and then steeped in urine, preparatory to sowing. Some persons put them in baskets of osier, and tread them down with the feet in running water, until the outer skin is removed, as it is found that the moisture which they contain is detrimental to them, and prevents them from germinating. A trench is then dug, about a palm in depth, and somewhere about twenty of the berries are then put into it, being laid in a heap: this is usually done in the month of March. These kinds of laurel admit of being propagated from layers also; but the triumphal laurel can be reproduced from cuttings only.
All the varieties of the myrtle are produced in Campania from the berry only, but at Rome from layers. Democritus, however, says that the Tarentine myrtle may be re-produced another way. They take the largest berries and pound them lightly so as not to crush the pips: with the paste that is thus made a rope is covered, and put lengthwise in the ground; the result of which is that a hedge is formed as thick as a wall, with plenty of slips for transplanting. In the same way, too, they plant brambles to make a hedge, by first covering a rope of rushes with a paste made of bramble-berries. In case of necessity, it is possible at the end of three years to
transplant the suckers of the laurel and the myrtle that have been thus re-produced.
With reference to the plants that are propagated from seed, Mago treats at considerable length of the nut-trees-he says that the almond should be sown in a soft argillaceous earth, upon a spot that looks towards the south-that it thrives also in a hard, warm soil, but that in a soil which is either unctuous or moist, it is sure to die, or else to bear no fruit. He recom- mends also for sowing those more particularly which are of a curved shape like a sickle, and the produce of a young tree, and he says that they should be steeped for three days in diluted manure, or else the day before they are sown in honey and water. He says, also, that they should be put in the ground with the point downwards, and the sharp edge towards the north-east; and that they should be sown in threes and placed triangularly, at the distance of a palm from each other, care being taken to water them for ten days, until such time as they have germinated.
Walnuts when sown are placed lengthwise, lying upon the sides where the shells are joined; and pine nuts are mostly put, in sevens, into perforated pots, or else sown in the same way as the berries are in the laurels which are re-produced by seed. The citron is propagated from pips as well as layers, and the sorb from seed, by sucker, or by slip: the citron, however, requires a warm site, the sorb a cold and moist one.
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CHAP. 12.
PROPAGATION BY SUCKERS.
Nature, too, has taught us the art of forming nurseries; when from the roots of many of the trees we see shooting up a dense forest of suckers, an offspring that is destined to be killed by the mother that has borne them. For by the shade of the tree these suckers are indiscriminately stifled, as we often see the case in the laurel, the pomegranate, the plane, the cherry, and the plum. There are some few trees, the elm and the palm for instance, in which the branches spare the suckers; however, they never make their appearance in any of the trees except those in which the roots, from their fondness for the sun and rain, keep close, as they range, to the surface of the ground. It is usual not to place all these suckers at once in the ground upon the spot which they are finally to occupy, but first to entrust them to the nursery, and to allow them to grow in seed-plots, after which they are finally transplanted. This transplanting softens down, in a most remarkable manner, those trees even which grow wild; whether it is that trees, like men, are naturally fond of novelty and change of scene, or that, on leaving the spots of their original growth, or to which they have been transplanted, they lay aside their bad qualities and become tame, like the wild animals, the moment they are separated from the parent stock.
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CHAP. 13.
PROPAGATION BY SLIPS AND CUTTINGS.
Nature has also discovered another method, which is very similar to the last — for slips torn away from the tree will live. In adopting this plan, care should be taken to pull out the haunch of the slip where it adheres to the stock, and so remove with it a portion of the fibrous body of the parent tree. It is in this way that the pomegranate, the hazel, the apple, the sorb, the medlar, the ash, the fig, and more particularly the vine, are propagated. The quince, however, if planted in this way will degenerate, and it has been consequently found a better plan to cut slips and plant them: a method which was at first adopted for making hedges, with the elder, the quince, and the bramble, but came afterwards to be applied to cultivated trees, such as the poplar, the alder, and the willow, which last will grow if even the slip is planted upside down. In the case of cuttings, they are planted at once in the spot which it is intended they should occupy: but before we pass on to the other methods of propagation, it seems as well to mention the care that should be expended upon making seedplots.
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CHAP. 14.
SEED-PLOTS.
In laying out a seed-plot it is necessary that a soil of the very highest quality should be selected; for it is very often requisite that a nurse should be provided for the young plants, who is more ready to hamour them than their parent soil. The ground should therefore be both dry and nutritious, well turned up with the mattock, replete with hospitality to the stranger plants, and as nearly as possible resembling the soil to which it is intended they should be transplanted. But, a thing that is of primary importance, the stones must be carefully gathered from off the ground, and it should be walled in, to ensure its protection from the depredations of poultry; the soil too, should have as few chinks and crannies as possible, so that the sun may not be enabled to penetrate and burn up the roots. The young trees should be planted at distances of a foot and a-half; for if they happen to touch one another, in addition to other inconveniences, they are apt to breed worms; for which reason it is that they should be hoed as often as possible, and all weeds pulled up, the young plants themselves being carefully pruned, and so accustomed to the knife.
Cato recommends, too, that hurdles should be set up upon forks, the height of a man, for the purpose of intercepting the rays of the sun, and that they should be covered with straw to keep off the cold. He says that it is in this way that the seeds of the apple and the pear are reared, the pine-nut also, and the cypress, which is propagated from seed as well. In this last, the seed is remarkably small, so much so, in fact, as to be scarcely perceptible. It is a marvellous fact, and one which ought not to be overlooked, that a tree should be produced from sources so minute, while the grains of wheat and of barley are so very much larger, not to mention the bean. What proportion, too, is there between the apple and the pear tree, and the seeds from which they take their rise? It is from such beginnings, too, as these that springs the timber that is proof against the blows of the hatchet, presses that weights of enormous size even are unable to bend, masts that support the sails of ships, and battering-rams that are able to shake even towers and walls! Such is the might, such is the power that is displayed by Nature. But, a marvel that transcends all the rest, is the fact of a vegetable receiving its birth from a tear-like drop, as we shall have occasion to mention in the appropriate place.
To resume, however: the tiny balls which contain the seed are collected from the female cypress — for the male, as I have already stated, is barren. This is done in the months which I have previously mentioned, and they are then dried in the sun, upon which they soon burst, and the seed drops out, a substance of which the ants are remarkably fond; this fact, too, only serves to enhance the marvel, when we reflect that an insect so minute is able to destroy the first germ of a tree of such gigantic dimensions. The seed is sown in the month of April, the ground being first levelled with rollers, or else by means of rammers; after which the seed is thickly sown, and earth is spread upon it with a sieve, about a thumb deep. If laid beneath a considerable weight, the seed is unable to spring up, and is consequently thrown back again into the earth; for which reason it is often trodden only into the ground. It is then lightly watered after sunset every three days, that it may gradually imbibe the moisture until such time as it appears above ground. The young trees are transplanted at the end of a year, when about three-quarters of a foot in length, due care being taken to watch for a clear day with no wind, such being the best suited for the process of transplanting. It is a singular thing, but still it is a fact, that if, on the day of transplanting, and only that day, there is the slightest drop of rain or the least breeze stirring, it is attended with danger to the young trees; while for the future they are quite safe from peril, though at the same time they have a great aversion to all humidity. The jujube-tree is propagated from seed sown in the month of April. As to the tuber, it is the best plan to graft it upon the wild plum, the quince, and the calabrix, this last being the name that is given to a wild thorn. Every kind of thorn, too, will receive grafts remarkably well from the myxa plum, as well as from the sorb.
(11.) As to recommending transferring the young plants from the seed-plot to another spot before finally planting them out, I look upon it as advice that would only lead to so muc
h unnecessary trouble, although it is most confidently urged that by this process the leaves are sure to be considerably larger than they otherwise would.
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CHAP. 15.
THE MODE OF PROPAGATING THE ELM.
The elm seed is collected about the calends of March, before the tree is covered with leaves, but is just beginning to have a yellow tint. It is then left to dry two days in the shade, after which it is thickly sown in a broken soil, earth that has been riddled through a fine sieve being thrown upon it, to the same thickness as in the case of the cypress. It there should happen to be no rain, it is necessary to water the seed. From the nursery the young plants are carried at the end of a year to the elm-plots, where they are planted at intervals of a foot each way. It is better to plant elms in autumn that are to support the vine, as they are destitute of seed and are only propagated from plants. In the vicinity of the City, the young elms are transplanted into the vineyard at five years old, or, according to the plan adopted by some, when they are twenty feet in height. A furrow is first drawn for the purpose, the name given to which is “novenarius,” being three feet in depth, and the same in breadth or even more; into this the young tree is put, and the earth is moulded up around it to the height of three feet every way. These mounds are known by the name of “arula” in Campania. The intervals are arranged according to the nature of the spot; but where the country is level, it is requisite that the trees should be planted wider apart. Poplars and ashes, too, as they ger- minate with greater rapidity, ought to be planted out at an earlier period, or, in other words, immediately after the ides of February. In arranging trees and shrubs for the support of the vine, the form of the quincunx is the one that is gene- rally adopted, and, indeed, is absolutely necessary: it not only facilitates the action of the wind, but presents also a very Pleasing appearance, for whichever way you look at the plantation the trees will always present themselves in a straight Line. The same method is employed in propagating the poplar from seed as the elm, and the mode of transplanting it from the seed-plot is the same as that adopted in transplanting it from the forests.
Delphi Complete Works of Pliny the Elder Page 113
