Subjects: *AGRICULTURAL equipment; *SOIL physics; *CORN yields
Record details
Subjects: SOIL testing; PARTICLE size distribution; CLAY
Subjects: SOIL density; SOIL physics; MICROPOROSITY
Subjects: TILLAGE; SOIL physics; CROP development
Subjects: SOIL structure; TENSILE strength; SOIL quality
Subjects: HYDRAULIC conductivity; SOIL density; SOIL classification
Subjects: PENETROMETERS; SOIL penetration test; SOIL physics
Subjects: SOIL structure; RICE; CULTIVARS
Subjects: WOOD quality; FORESTS & forestry; TIMBER