丘陵地区耕地质量等别监测分区布设样点方法探讨——以江西省吉安县为例
구릉지구경지질량등별감측분구포설양점방법탐토——이강서성길안현위례
Discussion on Arable Land Quality Level Monitoring Partition and Layout Samples of Hilly Areas: Case Studies in Ji'an County
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