Kilayim 6:2-6:5
When vines grow on structures, sometimes the structures are considered part of the vines themselves.

When vines grow on structures, sometimes the structures are considered part of the vines themselves.
More on specific laws of kilayim relating to a vineyard.
More situations in which it might be permissible for different crops to grow in a vineyard
Situations in which it is ok to plant other seeds in a vineyard.
More on what technically defines a "vineyard"
More on what is considered a vineyard
What qualifies as a vineyard?
R' Yehuda is a little more lenient. Also, what is considered a fence halachically?
Introduction to issues relating to vineyards and kilayim
Debates about the measurements needed between crops to make them not kilayim
More situations in which something is not kilayim if it doesn't look that way.
More ways to grow species side by side and for it not to be kilayim
What are some ways we can plant different species side by side without it being kilayim?
If someone doesn't think it is kilayim, maybe it isn't!
Seeds that cannot simply be plowed over. Also, Beit Hillel and Beit Shamai agree!
When you decide you would like to plant a different seed after already starting to plant a different kind.
When a large amount of seeds and small amount of seeds that are different species combine.
More about the prohibition of grafting.
Grafting is not permissible. Also, which species of animals cannot be bred together.
More species that the rabbis said were not kilayim with one another
Introduction to Kilayim plus the first mishnah
Wrapping up Masechet Demai - situations in which someone has to pay a penalty for forgetting what he had tithed.
More on how to tithe something prior to shabbat - what is the formula that needs to be said?
More on how to split Demai amongst people who are trustworthy and those who aren't. Also, exploring how to tithe before shabbat for something you will eat on shabbat.
More on splitting produce between two partners - one trustworthy with tithing and one not.
More questions about sharecropping arrangements. Also, do we trust our olives with those who are not careful with the laws of purity and impurity. Finally, what if two partners put grapes in a winepress - one who is trusted with tithing, and the other is not?
Measures in place to ensure that Jews own land in Israel
More on the idea of tithing one thing on behalf of another. Also, tithing for sharecroppers and renters
More cases of trying to tithe one thing on behalf of another.
More questions about acquiring demai produce from someone else.