. Improving crop yields by the use of dynamite . ONE MORE OUT OF THE WAY 21. BLASTING STUMPS IT IS usually necessary in blasting stumps to place the charge as* close as possible to the toughest part of the stump, so that thepart most difficult to break will be hit first and hardest. Gen-erally this spot will be directly under the middle of the stump, andit is sometimes necessary to bore into the tap root. When a verybig stump is rotten at the middle, but has several large branchingroots, better results will be had if the charge is increased a littleand located deeper in the ground, or if under

---

. Improving crop yields by the use of dynamite . ONE MORE OUT OF THE WAY 21. BLASTING STUMPS IT IS usually necessary in blasting stumps to place the charge as* close as possible to the toughest part of the stump, so that thepart most difficult to break will be hit first and hardest. Gen-erally this spot will be directly under the middle of the stump, andit is sometimes necessary to bore into the tap root. When a verybig stump is rotten at the middle, but has several large branchingroots, better results will be had if the charge is increased a littleand located deeper in the ground, or if under each of the large rootsa small charge is placed, and all of the charges fired simultaneouslywith a blasting machine.

---

Size: 1197px × 2086px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, bookidimp, booksubjectexplosives