We know less about the manurial requirements of Indian corn, than of almost any other crop we cultivate.
The manurial value of roots varies from 80 cents a ton for carrots, to $1.
The result shows how uncertain are all speculations in regard to the manurial requirements of plants.
When sugar-beets are grown for feeding to stock, there is probably little or no difference in the manurial requirements of sugar-beets and mangel-wurzel.
It is so popular in England that the price is fully up to its intrinsic value, and not unfrequently other foods, in proportion to the nutritive and manurial value, can be bought cheaper.
That the efforts to profitably remove the manurial elements from sewage by chemicals not having been successful, the system should be adopted per se only where a filtration area cannot be obtained.
Further the stimulating action differs greatly with the nature and reaction of the manurial mixture.
Feldspar, kaolin, and other minerals containing potash, are, in some localities, to be obtained in sufficient quantities to be used for manurial purposes.
Chlorine is a constituent of common salt (chloride of sodium), and from this source may be obtained in sufficient quantities for manurial purposes.
Light land is benefited by farm-yard manure through its supplying to the soil organic matter, and imparting to it "substance" whereby it becomes more consolidated and is better able to retain the manurial ingredients given to it.
This is not known to be deficient in soils, although an essential element in them, and it is seldom directly applied as a manurial ingredient.
Peat-moss is the best absorbent and has a higher manurial value than straw.
This, the last of the "essential" elements, is seldom specially employed in manurial form.
This is a new product which represents the earliest result of the utilization, in a commercial form, of atmospheric nitrogen as a manurial substance.
It owes its manurial value mainly to the ammonia salts it contains, and a good sample will have about 4% of ammonia.
Castor cake is directly imported for manurial purposes, and will have up to 5% of nitrogen with 4 to 5% of phosphates.
This is another product of the utilization of atmospheric nitrogen as a manurial agent.
Iron is another essential ingredient of soil that is found in abundance and does not call for special application in manurial form.
Manurial value of green twigs of trees, ferns and wood ashes.
On land where ill-balanced manurial preparations have been used.
Such an officer would be very useful in searching for coprolites and new manurial resources.
Green twigs[55] cut from jungle trees are of considerable manurial value, and the natives seem well aware of the value of the different kinds.
Manurial facilities have next to be taken into consideration, and here we shall find a very great difference between estates.
In order to have the effects of the different systems of manuring under constant observation experiments with different manurial mixtures can be best conducted at places where four roads meet.
I now propose to consider our manurial resources in detail, and shall begin with the first stay of all agriculture, farmyard manure, as to the value of which for coffee I have never met with any difference of opinion.
Ferns are of considerable manurial value, and are rich in potash, and they should be used to litter the cattle sheds.
The manurial value of pulp, and of dry fallen leaves.
The oil so returned is without manurial value and, if left in the seed, is so much money wasted.
As an auxiliary manurial agent of definite, well-proven value in this Archipelago, I will briefly recite some of the benefits that may be expected to follow occasional irrigation during the dry season.
From this time forward the treatment is one of cultural and manurial routine.
Here, too, limitations are imposed upon the planter who is without abundant manurial resources to maintain the future integrity of his grove.
As the commercial value of the fiber is greater than the manurial value of the salts therein, it is economy to utilize the fiber and purchase potash and phosphoric acid when needed to enrich the soil.
Yet chemical analysis has clearly proved that the manurial value of straw is perfectly insignificant, and that, as a constituent of stable manure, it is chiefly useful as an absorbent of the liquid egesta of the animals littered upon it.
Nitrogen is, of all manurial ingredients, in least abundance in soils.
The recognition of the manurial functions of salt dates back to the very earliest times.
In the Appendix[246] will be found a table giving the results of manurial experiments with the nitrogenous, phosphatic, and potash manures on beans, carried out by Dr A.
According to some analyses made by Mr John Hughes, the bracken, especially if cut in a young state, is a substance of considerable manurial value.
A very wide experience, however, of the effect of different manures on different crops, has conclusively proved that their manurial requirements differ very considerably.
Of manurial ingredients, nitrogen is by far the most important, and on the presence and character of the nitrogen it contains, the fertility of a soil may be said to be most largely dependent.
A consideration which is of much greater importance is the capacity that different crops possess for assimilating the various manurial ingredients from the soil.
The formation of nitrides and cyanamides by actions of this kind and their easy conversion into ammonia is a useful method for fixing the nitrogen of the atmosphere and rendering it available for manurial purposes.
During the growing season the field affords striking evidence of the influence of different manurial dressings.
It was claimed for it that it was a far better absorbent of moisture than sawdust, and that itsmanurial value was much greater.
Nor need one be afraid that all of the manurial elements will be left behind on this plowed ground.
My experience tells me that the chemists are wrong when they say that human excreta are of small manurial value.
It is only by immediate burial that one gets the full manurial value of them.
The writer claims to have proved (all chemical analyses to the contrary notwithstanding) that human excreta have a very high manurial value, and this will be borne out by the picture.
The ultimate manurial value of urine is doubtless very great, although when pure or nearly pure it is very deadly to herbage.
The nearest point to the well upon which any manurial deposit of excreta is likely to be made is on the far side of the privet hedge, and the distance of this point from the bottom of the well is 7 ft.
Chemists tell us that urine is of high manurial value because of the large amount of nitrogen which it contains.
At the Roma State Farm and Hermitage State Farm extensive wheat experiments are carried out in the way of manurial trials, variety tests, and methods of tillage.
In 1911 there were seventy-two farmers' plots in Victoria on which manurialand variety wheat trials were conducted.
From the analysis given above, it is obvious that the manurial value of bones is dependent partly on their phosphates and partly on the ammonia they yield.
The substances just mentioned must be considered to owe their chief manurial value to nitric acid; but other salts have been used as manures in which the effect is undoubtedly due to the alkalies themselves.
The ease with which all sea-weeds pass into a state of putrefaction, adapts them in a peculiar manner to the manurial requirements of a cold and damp climate.
It has, however, been usually taken to include all saline matters, and especially the compounds of ammonia and nitric acid, which are indebted for their manurial effects to the nitrogen they contain; and thus is so far incorrect.
It is a good mechanical addition to heavy soils, and diminishes their tenacity; and though its manurial effects are small, it sooner or later undergoes decomposition, and yields what valuable matters it contains.
It is obvious, from the foregoing analyses, that great differences must exist in the manurial value of the urine of different animals.
That of the different domestic animals has been frequently examined, but the analyses of Fromberg give the most complete view of their manurial value:-- Horse.
Woollen rags are mixed with cotton which has no manurial value, and the skin refuse from tan-works contains much lime.
The observations which have been made regarding the use of these substances, lead directly to the inference that all vegetable matters possess a certain manurial value, and that they ought to be carefully collected and preserved.
Pigeon manure is even richer, and the pigeon loft scrapings have a manurial value about double that of dry hen manure, and eight times that of farmyard manure.
It is indeed sometimes a problem to dispose of it, except in rural districts, where the farmers appreciate its manurial value and will usually cart it away for a nominal fee.
This process recovers a valuable bye-product and increases the manurial value of the scutch.
Every well arranged rotation should have at least one crop grown for its manurial effect on the soil, as a crop of cowpeas, or one of clover, to be turned under.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "manurial" in a variety of sentences. We hope that you will now be able to make sentences using this word.
