共 50 条
- [23] PEST-CONTROL - WHAT IS IT [J]. DEUTSCHE TIERARZTLICHE WOCHENSCHRIFT, 1986, 93 (05): : 187 - 188
- [24] DEVELOPMENT OF APPLICATION EQUIPMENTS FOR SOYBEAN PEST-CONTROL IN JAPAN [J]. JARQ-JAPAN AGRICULTURAL RESEARCH QUARTERLY, 1983, 17 (01): : 12 - 17
- [27] ECONOMIC LEVELS OF PEST-CONTROL [J]. AG CHEM AND COMMERICAL FERTILIZER, 1972, 27 (04): : 30 - &