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FARMING NOTES. -

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FARMING NOTES. (From the" Agricultural Ga.-ette.") TBRTIWTY IMPARTED BY MAURIG, AND DK!UYE» FROM ATMOSPHERIC SOURCES. After an instructive, well-prepared lecture en the necessity of keeping land in good cultivation, de- livered by Mr. Howman at the Gloucestershire Chamber of Agriculture, Mr. James Berkeley, took exception to the lecturer's advocacy '.[ artificial manuring. Critical examination of iiu lecture shows that. nothing was advanced mure tlimi has been generally accepted as proper- and right, fm- the part treating on the enip'o\ment of ciie;n;C-JII fertilisers bore almost entirely on the advantage of making them supplement farmyard dung ivhefit-ver there was an insufficiency of the l'ltter to key;) Lii;>! in a proper stale for yielding maximum produce, and 1.0 more encononiical means was available to tii-iire good condition. Mr. Howman did, it is true, "lILtrge somewhat on the utility of fanners ascertaining the dominant ingredient of fertility required by thd crop before applying any thing; but Mr. Peter's criticism had not hi ay *o do with that feature of the subject, for it almost amounted to a condemnation of ar iiio-ial manuring generally on the ground of the enormous losses farmers have sustained by depending on them. He even went the length of asserting that a large number of farmers had suffered more from this than any other cause, and that consequently public opinion had produced a very general feeling that if the farm required extraordinary assistance it should be carried out by feeding stock on oilcakes and other feeding-stuffs rather than by resorting to artificial manures. Farmers, however, might have avoided losi arising from fraud by daalin with respectable firms, and by purchasing only on a guaranteed analysis. But there is anothor source of loss—that of injudicious and improper applications. Farmers have often fed their crops with the wrong kinds, and frequently at the wrong times also. Nor is this all, for they have often mixed superphosphate and nitrate of soda to- gether, which anyone at all acquainted with chemistry knows should never be done as the disintegration of elements which would ensue would cause the nitrogen to be driven off to the atmosphere. But all such in- judicious applications and improper mixings are owing to want of knowledge on the part of farmers. Consequently, whatever may be the amount of their losses, either on these scores or by reason of fraud, it is entirely their own fault; they have themselves to blame for want of caution and business aptitude, and above all, for defect of knowledge. We perceive at this point that there are far more economical ways of sustaining land in high fertil.ty than by the application of artificial manures, although that may be the moat direct and quickest way of accomplishing the object. Our agricultural chemists will now tell us that there are two ways of grasping that very volatile element nitrogen from the atmos- phere and reducing it to service for enhancing soil fertility. The other way is that of cultivating legu- minous crops, the plants of which have nodules at their roots which are supposed to attract and appro- priate nitrogen from the air itself. Probably some may think that it is only those who occupy deep, fertile loams, or soils deep in vegetable mould, who can do much in the way of growing leguminous crops; but this is not so. Spring beans, of course, require such deep-stapled soils, but there are peas, vetches, and buckwheat, together with sainfoin and some of the clovers, which are well adapted for a wider range of soils. Whenever any great store of nitrogen is derived from atmospheric sources, the crops in which it is incorporated by being fed on the farm by live stock are sure to enhance the latter very much in fertility. In justioe to Mr. Howman, it should be stated that his lecture was on the most economical systems of keeping land in good condition, and that artificial manuring only formed one portion of it. In fact, he alluded to the growing system of lengthening out occasional pastures to four or five years quite as much as to artificial manuring, and he correctly acserted that by the proper seeding and management of occasional pastures, and the feeding of live stock oa them, land would be kept more economically in good condition than by any other way. This would be so partly by the attraction and appropriation of nitrogen from atmospheric scources and partly by the fertility occasioned by the droppings of live stock. The question may appropriately be asked why many old pastures do not seem to be more benefited by the enormous nitrification which must take place on their surfaces. As a rule they exhibit no signs of additional fertility having been derired, whatever may have been the kind of autumn and winter pre- viously experienced. There can be little doubt about the cause. They have no minerals at their surfaces or in their upper strata within reach of, the rootlets of the grass plants, so as to keep them in a condition fit for taking up the nitrates, and most likely all such slumbering, stagnant pastures lose the benefit of nitri- fication. Hence the necessity of spreading lime and marl compost on the surfaces of old pastures, which would put them in fit condition for atmospheric nitrates to be appropriated, and this is the reason why old pastures so treated look as fresh in spring as newly-laid-down grass layers. The latter of course find abundant minerals available in the upper strata Of their soil- But it must be admitted that statements are some- times circulated for the benefit of farmers which are misleading. For instance, a paragraph has recently been going the round of the pipers to the effect that. M. Grandeau, Inspector-General of Agricultural Stations in France, has, in one of the leading French periodicals, strongly advised top-dressings of nitrate of soda to be applied this spring, because the incessant rains of the past winter must have had the effect of washirg the nitrates derived from atmospheric sources out of the -oil. Probably a great many English farmers, seeing this, might rush off to their manure merchant for nitrate of soda, that they may give top-dressing3 to their wheat fields and grass lands; but this should have been done before if there was any extraordinary necessity for it. The pastures requiring artificial manuring should have the appli- cation in February, and wheat fields not later than March, unless they have to be hoed in April, when the nitrate should be sown immediately before tbt) hoeing takes place. Very often serious losses arise from top-dressings, both for corn and grass lands, being applied too late in spring. Last year there were a great many such, for the drought commenced in April, and the pasture which did not receive the' artificial manures in February and March displayed no benefit from them throughout the season. Nitrate of soda, of course, sometimes does an immense amount of good when put in with the barley crop, or with mangels or cabbages, or sown on a swede crop immediately before horse-hoeing takes place; but it should be covered with the soil after the present time when applied for arable crops, and great care is always requisite to prevent the nitrogen from going off to the atmosphere. Returning, however, to the alleged extraoi-dinary necessity for top-dressing wheat fields and pastures this spring, there does not, in the opinion of the writer, appear to be any such so far aa this country is concerned, whatever may be the stale of things across the Channel. We have, it is true, experienced a rainy winter, but it has also been an ex- traordinary mild one. The rains, too, have come often gently and periodically, with considerable in- tervals of fine weather between. No doubt, many lowlands have been well soaked, but there have beea no incessant washings out of uplands such as we have frequently had in former winters. There does not appear, then, to be any reason to consider any very great loss of the results of nitrification. In fact, the very mildness of the season, in connection with the wet, has caused nitrification to go on incessantly thougbout the winter. Verv reasonable would it be, then, to assume that instead of there having been an extraordinary loss sustained the balance bas been to the good. Not but that there must be always considerable washings out of the nitrates which are the result of nitrification whenever arable lands are kept in fallow the entire winter. To obtain utmost gain from this source of fertility many more catch crops ought to be grown than at present; which rightly have their name because they do catch fertility from atmospheric sources. Seemingly it would be rational that scarcely any stubble lands not seeded to mixed clovers and grasses should remain uncropped either to trifolium, vetches, rye, winter barley, or winter oats, the rootlets of which would take up the nitrates which are the fruit of nitrification, and prevent their being washed away. The generality of farmers at present only grow small breadths of these crops, just sufficient for their live stook to consume green in spring end summer, but the limit should not at all be drawn to serve this want, inas- much as all green crop not required to be consumed by flocks and live stock in summer could be converted to silage, and the lands would still be rid in good time for turoio sowing. J

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