Terraces on the hills of Eretz Yisrael
Stone walls hold flat steps of earth
After the rains, the walls slip and need rebuilding
Erev Shemittah, after the rains: no building terraces
RestrictiveOne may not build
Reasonbecause he is preparing them for Sheviis.
In Shemittah, after the rains: build them
it is for the year after
Permissivehe may build
Reasonbecause he is preparing them for the year after Sheviis.
Rebuild the stone wall — don't fill it with earth
RestrictiveAnd he may not pack [it]
Permissivehe may make
A chayitzthe bare wall
Any stone within arm's reach
General ruleAny stone that he can reach out his hand and take,
Permissivemay be taken:
Ra'avada general rule about a fellow's field
Sheviis 3:8
Building Terraces at the Ravines
מַדְרֵגוֹת עַל פִּי הַגֵּאָיוֹת
אֵין בּוֹנִין מַדְרֵגוֹת עַל פִּי הַגֵּאָיוֹת עֶרֶב שְׁבִיעִית מִשֶּׁפָּסְקוּ הַגְּשָׁמִים, מִפְּנֵי שֶׁהוּא מְתַקְּנָן לַשְּׁבִיעִית.
אֲבָל בּוֹנֶה הוּא בַּשְּׁבִיעִית מִשֶּׁפָּסְקוּ גְּשָׁמִים, מִפְּנֵי שֶׁהוּא מְתַקְּנָן לְמוֹצָאֵי שְׁבִיעִית.
וְלֹא יִסְמֹךְ בְּעָפָר,
אֲבָל עוֹשֶׂה הוּא חַיִץ.
כָּל אֶבֶן שֶׁהוּא יָכוֹל לִפְשֹׁט אֶת יָדוֹ וְלִטְּלָהּ, הֲרֵי זוֹ תִּנָּטֵל: