Loading...
Level 0 Boss Battle
Quiz by Catherine Chesser
Customize this quiz to suit your class
Instantly translate to 100+ languages
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
âHow do students access information for notes?Â
Through blended instruction
Through self paced grading
Through a wormhole
Through student created videos
âWhat grade do you need to pass a boss battle? (Number only!)
How do students access information for notes?Â
What grade do you need to pass a boss battle? (Number only!)
When are practice levels due for each unit?Â
I can retake a level if I don't pass the first time.
Give this quiz to my class
Level 0: Tân binhVoice Level 0Exact Trig Values Level 0Maths + LR level 0.2BMaths + LR level 0.2Cambridge Book 1.0 Listening Skill Test (Intermediate Level)0 1 2 and 3 conditionals for english as a second language, level b1Title (Slide 0): "Digging Deeper: The Truth About Tillage" Subtitle: How turning the soil affects plants, microbes, and the planet Slide 1: What Is Tillage? Tilling the soil means digging, turning, and loosening it using tools or machines. It's a common farming practice to prepare the land before planting. Slide 2: Why Do Farmers Till? Tillage is usually done before planting to: ⢠Soften and aerate the soil ⢠Mix in nutrients ⢠Remove weeds ⢠Bury crop residues for decomposition and fertility Slide 3: Tools Used for Tillage Farmers use tools like: ⢠Ploughs: Cut deep into the soil ⢠Harrows: Break up clumps and smooth the surface Slide 4: Ploughs vs. Harrows ⢠Ploughs: Used first, go deep, lift and flip soil ⢠Harrows: Used after ploughs, work on the surface to break clumps and level the soil Slide 5: Types of Tillage Systems From most to least soil disturbance: ⢠Conventional Tillage: Deep ploughing ⢠Minimum Tillage: Light disturbance ⢠Conservation Tillage: Only disturb seed zone, keep residues on top ⢠Zero Tillage (No-Till): Plant directly into undisturbed soil Slide 6: Problem 1 â Soil Erosion Tillage removes protective cover, exposing soil to wind and rain. Result: topsoilâthe most fertile layerâis easily washed or blown away. Slide 7: Problem 2 â Disruption of Soil Life Soil is a living ecosystem! ⢠Worms, fungi, and bacteria help aerate soil and release nutrients ⢠Tillage destroys their habitat, reducing fertility and soil health Slide 8: Problem 3 â Loss of Soil Structure Healthy soil has pores for air, water, and roots. Tillage breaks the sponge-like structure, and soil compacts over timeâlike flattening it into a pancake. Hard soil = poor plant growth. Slide 9: Problem 4 â Decreased Organic Matter Microbes "eat" organic matter through aerobic respiration (using Oâ and releasing COâ). Tillage adds oxygen, microbes speed up, and burn through the soilâs âpantryâ of organic matterâleaving it empty and poor. Slide 10: Problem 5 â Greenhouse Gas Emissions Faster decomposition = more COâ released. Tillage boosts microbial activity, which increases carbon dioxide emissionsâcontributing to climate change. â
Conclusion (Slide 11): đą Tillage: A Double-Edged Tool Tillage can help prepare the soil and control weedsâbut it comes at a cost. Over time, repeated tilling can strip away organic matter, destroy soil life, and release greenhouse gases. It's like spending all your savings for quick resultsâand being left with nothing for the future. The smarter path? Use reduced or no-till methods that protect soil health, keep carbon in the ground, and support long-term farming success.