A Primary Exploration of Variety Selection and Efficient Cultivation Models for Cassava/Peanut Intercropping

In this study, we determined the agronomic traits and yields of peanuts under different intercropping models by carrying out tests on variety selection, row spacing, and film mulching during sowing of intercropped peanuts. We analyzed the high-yield and comprehensive benefits in order to determine the efficient cultivation models of cassava/peanut intercropping. The results showed that among the eight tested peanut varieties, Guihua771 was the most suitable for intercropping with cassava, and its yield was 18.7% higher than Guihua17 – the local control variety – followed by Guihua22 and Guihua836. In the intercropping model selection test, the yield income of one row of cassava, intercropped with two rows of peanuts, under medium-narrow spacing (0.9-1.1m) was significantly higher than that of one row of cassava intercropped with three or four rows of peanuts with wide spacing (1.3-1.4m). The income of intercropped peanuts with film mulching was higher than that without the film, and the income from cassava and peanut intercropping 15d apart was higher than that of planting the cassava and peanuts at the same time. The best overall yield income was obtained when using Guihua771 as the peanut variety, intercropped with cassava using a row spacing arrangement of one row of cassava with two rows of peanuts, and planting the peanuts 15d ahead of the cassava, with mulching film.