Soil sampling device and means for mounting the same on a vehicle
作者： Phillip E Boxrud
DOI:
关键词: Remote sensing 、 Environmental science 、 Sampling device
摘要:
lens.org 参考文章(3)
Albert H Stockmar, Frangible frame all-purpose farm implement ,(1946)
Hargreaves Derek Burtt, An improved apparatus for the treatment of land ,(1954)
Phillip E. Boxrud, Soil sampling device ,(1980)