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The sand equivalent test quantifies the relative abundance of sand versus clay in soil. It is measured by standardized test methods such as ASTM D2419, AASHTO T176, and EN 933–8. [ 1 ] The test is used to qualify aggregates for applications where sand is desirable but fines and dust are not.
Silage gas contains nitric oxide (NO), which will react with oxygen (O 2) in the air to form nitrogen dioxide (NO 2), which is toxic. [16] Lack of oxygen inside the silo can cause asphyxiation. Molds that grow when air reaches cured silage can cause organic dust toxic syndrome. Collapsing silage from large bunker silos has caused deaths. [17]
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A forage harvester – also known as a silage harvester, forager or chopper – is a farm implement that harvests forage plants to make silage. [1] Silage is grass , corn or hay , which has been chopped into small pieces, and compacted together in a storage silo , silage bunker, or in silage bags. [ 2 ]
The United States Department of Agriculture defines the T Value as the maximum average soil loss (in tons per year) that will still allow economical maintenance of the current level of production into the future.
View of doors under shroud. Due to the limited space, the door hinge frame is also the ladder. On the right is the unloader power cable and yellow silage drop tube with removable access doors for insertion of the silage drop spout. View of the silo unloader drop chute inserted into the very top of the silage drop tube 60ft up.
A couple in Australia had their marriage annulled after the bride testified she thought the ceremony was a prank to boost the groom's Instagram.
It is estimated that the annual consumption of sand and gravel is 40 billion tons and sand is a US$70 billion global industry. [24] With increasing use, more is expected to come from recycling and alternatives to sand. [25] The global demand for sand in 2017 was 9.55 billion tons as part of a $99.5 billion industry. [26]