Cultivation method for inhibiting weeds in cassava field

The invention belongs to the technical field of cassava cultivation, and discloses a cultivation method for inhibiting weeds in a cassava field, which comprises the following steps: selecting a cultivation land for inhibiting weeds in the cassava field, deeply ploughing the land after crops are harvested, and ploughing and preparing the land again before sowing; determining planting varieties of cassava, peanuts or soybeans, and pretreating cassava seed stems; peanut and soybean seeds are determined, the planting density is determined, and then sowing is conducted. According to the method, aiming at slow growth, delayed row closing and many weeds in the early stage of cassava, the purpose of inhibiting weeds is achieved, and dwarf crops such as peanuts and soybeans are intercropped between cassava rows, so that the purpose of inhibiting weeds is achieved; after peanuts and soybeans are harvested, straw is fully utilized for covering, and the effect of inhibiting weeds in the later period is achieved. The cult