Patent ID: 11871692
Assignee: nan
Field: Other special machines (Mechanical engineering)
Classification: CPC A  Y | IPC A

Claim 3:
4. A seed ball, comprising:
a. seed;
b. a seed encapsulant encapsulating the seed, wherein the seed encapsulant is prepared by mixing the following parts by weight:
i. about five parts soil;
ii. about three parts clay, wherein the clay has a moisture content that is about 10% to about 15%, and wherein the clay comprises one or more of bentonite, montmorillonite and red clay;
iii. about one part biochar, wherein the biochar has a maximum particle size that is less than or equal to about 26 mesh; and
iv. about one part water;

c. wherein the seed ball comprises a diameter of about 19 mm to about 63.5 mm; and
d. wherein a desired shape of the seed ball is stabilized by quenching the seed ball in liquid nitrogen.