Essays on Practical Agriculture: Including His Prize Essays, Carefully Revised |
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Essays on Practical Agriculture: Including His Prize Essays, Carefully Revised Adam Beatty No preview available - 2016 |
Essays on Practical Agriculture: Including His Prize Essays, Carefully ... Adam Beatty No preview available - 2017 |
Common terms and phrases
acid acre adapted advantage alkalies ammonia atmosphere average Beans blue grass breed bushels Cabbages carbon carbonic acid cattle cent commence considerable convenient corn corn crop course cultivation deterioration drachms earth essay exhausting experiments extract fall farm farmer feeding pens fertility field fodder food of plants furnish grain grazing ground growing growth gypsum harrow hauling hemp horse husbandry important improvement inches ingredients injured Kentucky labor land leaves Lewis Sanders Liebig Liebig's Organic Chemistry lime locust magnesia manure merino mould necessary nutritive matter orchard grass pasture plough potash Potatoes pounds proper proportion quantity rain red clover rich rick Romney marsh roots rotation saving season seed sheep sheep husbandry shocks short-horned soil Southdowns sowed spring stalks substances suffered sufficient supply Teeswater timber timothy meadows tion tobacco tons turnips vegetable matter weather weeds Wheat 3 qrs winter woodland wool
Popular passages
Page 12 - But easy quiet, a secure retreat, A harmless life that knows not how to cheat, With home-bred plenty, the rich owner bless ; And rural pleasures crown his happiness.
Page 12 - The ensuing season, in return, may bear The bearded product of the golden year :* For flax and oats will burn the tender field, And sleepy poppies harmful harvests yield.
Page 212 - Water, and the decomposing animal and vegetable matter existing in the soil, constitute the true nourishment of plants ; and as the earthy parts of the soil are useful in retaining water, so as to supply it in the proper proportions to the roots of the vegetables, so they are likewise efficacious in producing the proper distribution of the animal or vegetable matter...
Page 137 - ... with the water which evaporates.* The carbonate of ammonia contained in rain-water is decomposed by gypsum, in precisely the same manner as in the manufacture of sal-ammoniac. Soluble sulphate of ammonia and carbonate of lime are formed ; and this salt of ammonia possessing no volatility is consequently retained in the soil. All the gypsum gradually disappears, but its action upon the carbonate of ammonia continues as long as a trace of it exists.
Page 225 - Air, water, and the change of temperature prepare the different species of rocks for yielding to plants the alkalies which they contain. A soil which has been exposed for centuries to all the influences which...
Page 225 - The first colonists of Virginia found a country, the soil of which was similar to that mentioned above; harvests of wheat and tobacco were obtained for a century from one and the same field without the aid of manure, but now whole districts are converted into unfruitful pasture land, which without manure produces neither wheat nor tobacco. From every acre of this land, there were removed in the space of one hundred years 1,200 Ibs. of alkalies in leaves, grain, and straw...
Page 12 - O happy, if he knew his happy state, The swain, who, free from business and debate, Receives his easy food from nature's hand, And just returns of cultivated land ! No palace, with a lofty gate, he wants...
Page 139 - This is much more than it is necessary to add to an acre of land in order to obtain, with the assistance of the nitrogen absorbed from the atmosphere, the richest possible crop every year. Every town and farm might thus supply itself with the manure, which, besides containing the most nitrogen, contains also the most phosphates ; and if rotation of the crops were adopted, they would be most abundant.
Page 145 - ... must subsequently be expelled by the roots, and returned to the soil as excrements. Now as excrements cannot be assimilated by the plant which ejected them, the more of these matters which the soil contains, the more unfertile must it be for the plants of the same species. These excrementitious matters may, however, still be capable of assimilation by another kind of plants, which would thus remove them from the soil, and render it again fertile for the first.
Page 141 - Ibs. of alkalies in leaves, grain, and straw; it became unfruitful therefore, because it was deprived of every particle of alkali, which had been reduced to a soluble state, and because that which was rendered soluble again in the space of one year, was not sufficient to satisfy the demands of the plants.