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2. Stale seed bed - Wikipedia

   en.wikipedia.org/wiki/Stale_seed_bed

   Sweep cultivator on the back of a John Deere 5220 tractor. Mechanical elimination of these small weed seedlings is done by stirring the surface of the soil to uproot and bury the seedlings. The most commonly used implement is a field cultivator fitted with sweeps. Either duckfoot sweeps and blade sweeps (beet knife) can be used, but must be set ...

3. Cultivator - Wikipedia

   en.wikipedia.org/wiki/Cultivator

   Field cultivators are used to complete tillage operations in many types of arable crop fields. The main function of the field cultivator is to prepare a proper seedbed for the crop to be planted into, to bury crop residue in the soil (helping to warm the soil before planting), to control weeds, and to mix and incorporate the soil to ensure the ...

4. Tillage - Wikipedia

   en.wikipedia.org/wiki/Tillage

   The mounds warmed up quickest, and at soil depths of 0.5 cm and 10 cm averaged 10 and 7 °C higher, respectively, than in the control. On sunny days, daytime surface temperature maxima on the mound and organic mat reached 25 °C to 60 °C, depending on soil wetness and shading.

5. Harrow (tool) - Wikipedia

   en.wikipedia.org/wiki/Harrow_(tool)

   The disk harrow is used first to slice up the large clods left by the mould-board plough, followed by the spring-tooth harrow. To save time and fuel they may be pulled by one tractor; the disk hitched to the tractor, and the spring-tooth hitched to, and directly behind, the disk. The result is a smooth field with powdery dirt at the surface.

6. Plough - Wikipedia

   en.wikipedia.org/wiki/Plough

   Chisel ploughs are becoming more popular as a primary tillage tool in row-crop farming areas. Basically the chisel plough is a heavy-duty field cultivator intended to operate at depths from 15 cm (5.9 in) to as much as 46 cm (18 in). However some models may run much deeper.

7. Today’s NYT ‘Strands’ Hints, Spangram and Answers for ...

   www.aol.com/today-nyt-strands-hints-spangram...

   According to the New York Times, here's exactly how to play Strands: Find theme words to fill the board. Theme words stay highlighted in blue when found.