This website gives resources for teachers on nutrition lessons, activities, and books, and resources are categorized by grade level. The whole scholastic website has teaching materials, plans, and ideas on how to teach a multitude of subjects.

http://www.scholastic.com/teachers/unit/health-and-nutrition-everything-you-need

For materials and lesson plans specific to agriculture, here is a more specific link from the same website above:

http://www.scholastic.com/browse/search/teacher?VT=2&channelOnly=true&Nty=1&Ntx=mode+matchallpartial&_N=fff&Ntk=SCHL30_SI&query=agriculture&N=0&No=0&Ntt=agriculture

CC Standards:

Create a balanced daily food plan. H1.N1.4a

Classify nutrients found in foods. H1.N1.4b

HBO standards:

2. Eat a variety of foods within each food group every day.

HBO 3. Eat an abundance of fruits and vegetables every day.

HBO 10. Prepare food in healthful ways.

NSE standards:

HE1.8.2 Summarize a variety of nutritious food choices from each food group

NHE standards:

1.8.3Analyze how the environment affects personal health.