Complementarity Testing of Multiple Apple Production Technologies
This study identifies the complementarity or substitutability among apple production technology bundles. To identify the production technology bundle relationships, this paper focuses on the 8 most commonly used technology groups, including a high density plant, normal density plant, M9, M26, more than 70% adoption ratio of a medium-maturing variety, the adoption of a new variety, artificial pollination, and low-temperature storage. The results show that M9 has a complementary relationship with a high density plant, yet a substitute relationship with a normal density plant. Meanwhile, M26 has a complementary relationship with both a high and normal density plant. No substitute relationship is found between M9 and M26, yet a complementary relationship is identified between the adoption of artificial pollination and low-temperature storage and M9 or M26.