专利汇可以提供Soil formulation for resisting erosion专利检索,专利查询,专利分析的服务。并且This disclosure relates to soil erosion and the establishment of an appropriate seed bed. More specifically, the disclosure relates to a composition applied to exposed soil wherein the composition comprises organic material produced when the methane is burned from green manure and dried. This organic material combines seed and a liquid carrier, such that the substance can be hydraulically applied to the desired area. Fertilizer or other nutrients are often added to the mixture to further enhance the product and to encourage growth.,下面是Soil formulation for resisting erosion专利的具体信息内容。
We claim:
This application claims priority of U.S. Provisional Ser. No. 60/827,649, filed Sep. 29, 2006.
This disclosure relates to soil erosion and the establishment of an appropriate seed bed. More specifically, the disclosure relates to a composition applied to exposed soil wherein the composition comprises organic material produced when the methane is burned from green manure and dried. This organic material combines seed and a liquid carrier, such that the substance can be hydraulically applied to the desired area.
The application of soil erosion inhibitor in combination with a seed is known, and the typical formulation includes organic material, such as waste paper, sawdust or other fibrous products in combination with a liquid carrier, a cellulose product or binder and seed. The particular formulation of these materials will vary, depending upon the composition of the soil to which it is to be applied, the weather conditions under which it is applied and/or the method of application.
Fertilizer or other nutrients are often added to the mixture to further enhance the product and to encourage growth.
Soil erosion is a serious problem recognized and addressed worldwide. Yet, current data seems to suggest that in the United States, soil is being eroded about 17 times the rate at which it forms. Further data suggests that soil erosion rates in Asia, Africa and South America are about twice as high as that in the United States.
Because of this significance, historically attempts have been made to prevent or substantially reduce soil erosion, including the well-known methods of contour farming, terracing, no-till cultivation, strip farming and polyvarietal cultivation. Another well-known approach includes adding organic material to the soil through biodegradation of the soil to cause soil to stick together and resist erosion. Products have been introduced to provide at least temporary erosion conservation, particularly with respect to slopes, until such time as trees and other vegetation can take root.
Prior art products, however, are of limited effectiveness and often do not provide the desired degree of soil erosion resistance. Certain of these products, such as fiber matrices, can in fact inhibit new plant growth by acting as a barrier against proper germination.
Therefore, there is a need in the art for a composition and method to resist soil erosion to a greater degree than prior art compositions and methods. Further, there is a need for such compositions and methods which are non-toxic, biodegradable and which can be readily deployed, utilizing existing readily commercially available techniques and machinery.
Still further, there is a need for such a composition and method to be of a simple formulation and relatively inexpensive to produce, utilizing known and commercially available materials.
The present disclosure specifically addresses and improves upon the prior art. In this regard, the present disclosure is directed to compositions and methods for eliminating or substantially reducing soil erosion and preparing an appropriate seed bed, while eliminating the need for expensive additives, such as fertilizer. As an example of the present disclosure, aqueous solution and organic materials, such as that produced when methane is removed from green manure, is combined in one form with a tackifier and seed, distributed on the surface of the soil under consideration. It is to be understood that inventive material could also be provided in dry form, such that the liquid could be applied at the time of application of the material.
It is therefore a purpose of the present disclosure to provide an erosion control seed bed which utilizes readily available organic material, e.g. a waste product of gas-producing green manure combined with a binding product as well as seed, in a form which may be formulated to address the soil and weather conditions and readily and inexpensively applied.
Another purpose of the present disclosure is to utilize a waste product in a manner which is environmentally sound and serves a useful and needed purpose.
The present disclosure is directed to compositions and methods for preventing or substantially reducing soil erosion, while simultaneously creating a seed bed and broadcasting seed. With regard to the composition, it is to be understood that raw or green manure is fed to a digester to extract methane gas, and the resultant waste product, or sludge, provides the organic component of the present inventive composition. The present inventive composition includes the waste sludge from the digestive process, and a polymer tackifier can be used in one form to assure adhesion between the particles and the desired seed to be germinated. It is to be understood that for purposes of consistency and predictability the waste or sludge must be dried to a certain point, for example 6% moisture, such that the formula may be carefully constructed.
The resultant composition could be either in a dried form and packaged such that it can be liquefied to the desired concentration at the time of application, or in the alternative, may be pre-mixed, including the required water carrier to permit the hydraulic distribution of the material. In actual practice, the soil will require some pre-preparation to ensure that purpose is as desired and is receptive to the inventive solution. The inventive solution is applied at a predetermined rate and the sludge or waste organic material serves to both retain moisture for germination and provides the nutrients necessary for promoting rapid and uniform growth.
It is thus to be seen that the present disclosure contemplates the utilization of the waste byproduct of another eco-friendly process to greatly reduce soil erosion and simultaneously promote the reproduction and growth of oxygen-producing matter. Because the composition is primarily waste product and water, it is extremely economical to use.
As shown in the highly schematic
Referring again to
The post-processing procedure 26 which in one form could include an existing wood fiber mulching plant to conduct such processing, at some phase during the processing it dries the material in a drying assembly grid-like process known in the art. It is advantageous, as mentioned above, to lower the water weight to approximately 5% to 6% moisture content for purposes of shipping the material when it is bagged, and further handling the bags by hand by the individuals mixing up the hydro seeding slurry mixture.
The post-processing phase 26 further can provide a screening process to remove out the larger sized particulate matter from the digestion product and bags the material as schematically indicated at 28. The bag material 28 now is ready to be drop shipped or otherwise delivered to be utilized on-site for a hydro seeding process.
In general, the hydro seeding process includes a mixture generally comprised of seed 30, fertilizer 32, and a matrix substance such as the material 28. (Prior art forms of hydro seeding utilize wood fiber.) Further, in other forms, a tackifying agent 35 can be utilized to create a more rigid matrix-like structure to aid in water retention and the integrity of the distributed hydro seed. Of course in the present embodiment, as opposed to having wood fiber as done in the prior art, the material 28 can be utilized. As described above, the digestion byproduct material schematically indicated at 28 in
It should be noted that in other forms, the material 28 can be mixed with existing known similar material such as wood pulp, straw, grass clippings, or paper byproduct for purposes of a making a hydro seed composition 34. As noted above, an optional ingredient to be included in the hydro seed composition is the tackifying agent 35 such as a guar material or other hydrophilic material, which increases the integrity of the distributed hydro seed material which is schematically shown in the lower left-hand portion of
While the present disclosure is illustrated by description of several embodiments and while the illustrative embodiments are described in detail, it is not the intention of the applicants to restrict or in any way limit the scope of the appended claims to such detail. Additional advantages and modifications within the scope of the appended claims will readily appear to those sufficed in the art. The disclosure in its broader aspects is therefore not limited to the specific details, representative apparatus and methods, and illustrative examples shown and described. Accordingly, departures may be made from such details without departing from the spirit or scope of applicants' general concept.
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