Gourds which he kept for seed — if they hardened before Rosh Hashanah and became unfit for human consumption, it is permitted to keep them in the seventh [year]; but if not, it is forbidden to keep them in the seventh [year]. Their sproutings are forbidden in the seventh [year]. One may water white soil; [these are] the words of R’ Shimon. R’ Eliezer ben Yaacov forbids [this]. One may stir the rice paddy during the seventh [year]. R’ Shimon says: But one may not trim [the rice plants].