Is it illegal to plant seedlings on farmland?

Illegal. According to relevant regulations, non-agricultural construction is not allowed to occupy cultivated land, and it is prohibited to occupy permanent basic farmland to develop the forestry and fruit industry. This behavior destroys the nature of farmland use and directly infringes on farmers' farmland interests.

Legal basis:

Article 36 of the "Land Management Law of the People's Republic of China" Non-agricultural construction must use land economically. If wasteland can be used, cultivated land must not be occupied ; Those who can make use of bad land shall not occupy good land. It is prohibited to occupy cultivated land to build kilns or tombs, or to build houses, dig sand, quarry, mine, or borrow soil on cultivated land without authorization. It is prohibited to occupy basic farmland to develop forestry and fruit industry and to dig ponds to raise fish.