Abbreviation	Definition
STFFT	Soil testing and formulated fertilization technology
ISM	Interpretative structural model
Abbreviations in the model:
IC	Individual characteristics
-IC1	-Gender
-IC2	-Age
-IC3	-Education level
-IC4	-Information acquisition ability
FC	Family characteristics
-FC1	-The proportion of planting income to total family income
-FC2	-The proportion of laborers working outside the home
BC	Operation characteristics
-BC1	-Planting scale
-BC2	-Planting time
PC	Cognitive characteristics
-PC1	-Farmers’ perception of STFFT
-PC2	-Perceived land fertility
-PC3	-Perceived production cost
-PC4	-Perceived ease of use of STFFT
-PC5	-Perceived usefulness of STFFT
SC	External environment characteristics
-SC1	-Government propaganda
-SC2	-Government subsidies
-SC3	-Organizational participation
-SC4	-Technical training
-SC5	-Land transfer