; (ii) financial assistance; (iii) on-farm research and demonstration; (iv) education, outreach, and training; (v) monitoring and evaluation; or (vi) such other activities as the Secretary determines to be appropriate. (3) Plan components Prior to approving a State or Tribal soil health plan, the Secretary shall ensure that the plan, at a minimum— (A) is broadly consistent with the soil health principles of the Natural Resources Conservation Service; and (B) identifies effective strategies for increasing adoption of regionally appropriate soil health practices and systems on privately owned agricultural land under the jurisdiction of the applicable State or Tribal government. (4) Eligibility A State or Tribal government may— (A) apply for a grant for the purposes described in paragraph (2)(A) at any time; and (B) apply for a grant for the purposes described in paragraph (2)(B) on approval by the Secretary of a soil health plan for the State or Tribal government. (c) Tribal option At the sole discretion of a Tribal government, an Indian Tribe or Tribal organization shall have the option of being incorporated into a State application rather than submitting an application for the Indian Tribe or Tribal organization. (d) Grant amount (1) Maximum The maximum grant any 1 State or Tribal government may receive under this section for a fiscal year shall be— (A) in the case of a grant for the purposes described in subsection (b)(2)(A), $1,000,000; and (B) in the case of a grant for the purposes described in subsection (b)(2)(B), $5,000,000. (2) Federal share (A) Grants to States The amount of a grant to a State under this section shall not exceed— (i) 75 percent of the cost of developing or modifying a soil health plan; or (ii) 50 percent of the cost of implementing the soil health plan. (B) Grants to Tribes The amount of a grant to a Tribal government under this section shall not exceed— (i) 90 percent of the cost of developing or modifying a soil health plan