Fig. 1

The percentage increase of three vegetables produced from asparagus straw as a function of plant height (a) and fresh weight (b). HG2 and HG3 indicate cucumbers planted with 15 and 25 g/kg asparagus straw return, respectively. KG2 and KG3 indicate bitter gourds planted with asparagus straw return rates of 15 and 25 g/kg added, respectively. QZ2 and QZ3 indicate eggplants to which 15 and 25 g/kg asparagus straw was added, respectively.