Microalgae enhanced biological crop nutrition granules

Abstract

A combined microalgae and mycorrhizal fungi granular formulation includes a microalgae inoculant combined with a mycorrhizal fungi inoculant with demineralized water to maintain moisture and applied to carrier granules such as a natural clay-based or mineral-based material. The coated granules are dried and may be applied to agricultural areas in dried granular form.

We claim: 
     
         1 . A method for producing crop nutrition granules, comprising:
 preparing a microalgae solution;   preparing a mycorrhizae solution;   applying the microalgae solution and the mycorrhizae solution to a plurality of carrier granules; and   drying the plurality of coated granules.   
     
     
         2 . The method of  claim 1 , further comprising forming a coating solution by combining the microalgae solution and the mycorrhizae solution, and wherein the step of applying the microalgae solution and the mycorrhizae solution comprises coating the plurality of carrier granules with the coating solution. 
     
     
         3 . The method of  claim 2 , wherein the mycorrhizae comprises a mycorrhiza mixture including endomycorrhiza and ectomycorrhiza. 
     
     
         4 . The method of  claim 3 , wherein the mycorrhiza mixture contains at least 95 percent endomycorrhiza content. 
     
     
         5 . The method of  claim 3 , wherein the mycorrhiza mixture contains at least 97 percent endomycorrhiza content. 
     
     
         6 . The method of  claim 2 , wherein, after drying, the plurality of coated crop nutrition granules comprise 0.5% to 5.0% w/w microalgae, 0.5% to 5.0% w/w mycorrhizae, 6% to 12% w/w moisture, and the balance in the plurality of carrier granules. 
     
     
         7 . The method of  claim 6 , wherein, after drying, the plurality of coated crop nutrition granules comprise greater than 2.2% w/w microalgae and greater than 1.5% w/w mycorrhizae. 
     
     
         8 . The method of  claim 6 , wherein, after drying, the plurality of coated crop nutrition granules comprise about 2.7% w/w microalgae and about 2.0% w/w mycorrhizae. 
     
     
         9 . The method of  claim 2 , wherein the plurality of carrier granules are natural clay material. 
     
     
         10 . The method of  claim 2 , wherein the step of preparing the microalgae solution further comprises preparing the microalgae solution to a neutral pH level. 
     
     
         11 . The method of  claim 10 , wherein the step of preparing the microalgae solution further comprises preparing the microalgae solution to a pH level of between 6.0 to 6.5. 
     
     
         12 . The method of  claim 10 , wherein the step of preparing the mycorrhizae solution further comprises preparing the mycorrhizae solution to a neutral pH level. 
     
     
         13 . The method of  claim 12 , wherein the step of preparing the microalgae solution further comprises preparing the microalgae solution to a pH level of between 6.0 to 6.5, and wherein the step of preparing the mycorrhizae solution further comprises preparing the mycorrhizae solution to a pH level of between 6.0 to 6.5. 
     
     
         14 . A plurality of crop nutrition granules, comprising:
 a plurality of carrier granules, each of the plurality of carrier granules having a coating, the coating including microalgae and mycorrhizae.   
     
     
         15 . The plurality of crop nutrition granules of  claim 14 , wherein the plurality of carrier granules are natural clay material. 
     
     
         16 . The plurality of crop nutrition granules of  claim 14 , wherein the mycorrhizae comprises a mycorrhiza mixture including endomycorrhiza and ectomycorrhiza. 
     
     
         17 . The method of  claim 16 , wherein the mycorrhiza mixture contains at least  95  percent endomycorrhiza content. 
     
     
         18 . The plurality of crop nutrition granules of  claim 14 , wherein the mycorrhiza mixture contains at least 97 percent endomycorrhiza content. 
     
     
         19 . The plurality of crop nutrition granules of  claim 14 , wherein the plurality of coated crop nutrition granules comprise 0.5% to 5.0% w/w microalgae, 0.5% to 5.0% w/w mycorrhizae, 6% to 12% w/w moisture, and the balance in the plurality of carrier granules. 
     
     
         20 . The plurality of crop nutrition granules of  claim 14 , wherein the coating comprises a neutral pH level. 
     
     
         21 . The plurality of crop nutrition granules of  claim 20 , wherein the coating further comprises a microalgae solution at a neutral pH level, in combination with a mycorrhizae solution at a neutral pH level. 
     
     
         22 . The plurality of crop nutrition granules of  claim 20 , wherein the coating further comprises a microalgae solution at a pH level of between 6.0 to 6.5, in combination with a mycorrhizae solution at a pH level of between 6.0 to 6.5.