Intercropping of cassava and watermelon or melon.

Intercropping of cassava with watermelon or melon were tested in hilling dry land to increase the land usage and productivity per land unit.Two intercropping model,watermelon+cassava and melon+cassava,were tested with the treatments of both crops were sown at the same time,cassava were sown 20 days and 40 days later than watermelon or melon.The intercropping system produced 1 801.71 and 1 954.52 yuan more return per 667 m2 than single cropping of cassava.The best treatment was that cassava was sown 20 days later than watermelon or melon.