Pruning to make room for learning Torah: Menachot 71a
Pruning for any Mitzvah: Menachot 72a
The produce from permitted pruning may not be bound up: Menachot 71a, 72a
Time that produce becomes permitted, via the Omer-Offering
The 16th of Nisan is the day of the Omer Offering, when Chadash becomes permitted: Rosh HaShanah 7b
Whether Permission begins when the Omer's Flour Offering is brought, or at dawn: Menachot 68a-b, 68b
Whether harvesting grain is permitted by the Harvest of the Omer-Offering or by the Bringing of the Offering: Menachot 70b
The Omer-Offering permits grain which had Taken Root before the Omer-Offering was brought: Pesachim 55a, Menachot 69a, 70a, 71a
Whether the grain must take root before the Harvest of the Omer-Offering or the Bringing of the Omer's Flour Offering: Menachot 70b
The Omer-Offering permits produce which ripens to 1/3 of its growth and is uprooted before the Omer: Menachot 69b
Allowing those who are distant to assume the Offering was brought by midday: Eruvin 32a; Rosh HaShanah 30a; Succah 41a; Menachot 68a
Whether the Omer-Offering permits grain which took root, and was uprooted before the Omer-Offering was brought, and then was replanted before the current Omer-Offering without time to take root: Bava Metzia 56b-57a; Menachot 69a
Whether the Omer-Offering permits produce which grew 1/3, was uprooted before the Omer, and was replanted and grew afterward: Bava Metzia 56b-57a; Menachot 69b
Time that the new grain becomes permitted for flour-offerings, via the 2 Loaves of Pentecost [Shavuot]
The 6th of Sivan is when the new flour is permitted for flour-offerings: Rosh HaShanah 7b
The 2 Loaves of Pentecost [Shavuot] permit grain which had Taken Root before the 2 Loaves of Pentecost [Shavuot] were brought: Menachot 69a
Whether the 2 Loaves of Pentecost [Shavuot] permit Chadash fruit for which the leaves blossomed or ripened before the 2 Loaves of Pentecost [Shavuot] were brought: Menachot 69a
Whether the 2 Loaves of Pentecost [Shavuot] permit Chadash which was planted after the Omer's Flour Offering: Menachot 68b-69a
If a flour Offering is brought from Chadash before the Omer: Menachot 68b
If a flour Offering is brought from Chadash before the 2 Loaves of Pentecost [Shavuot]: Menachot 68b