Croon, Agricultural Expert from Holland Sew Seeds of Technology in China’s Land.

　　Franker Willem Croon is the world-known agricultural expert and also the expert in the use of land and water resources from Holland who has been dedicated to the promotion, application and research of the hidden pipe drainage technology in China. As the project host specialist in Dongying,Shandong, Mr Croon has carried out the technical guidance for the improvement of the saline-alkali land. Besides, he has laid the foundation of talent, technology and industry for the industrialization application of hidden pipe technology in the Yellow River Delta.