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Glyphosate herbicide key driver of reduced carbon emissions in agriculture
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In the early 1990s, tillage was the leading form of weed control, with minimum/zero-tillage management practices incapable of long-term continuation. Presently, weed control through tillage has virtually disappeared as cropland management systems have transitioned largely to continuous cropping, with zero to minimal soil disturbance.
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Weeklikse Landbou oorsig met Prof Johan Willemse 16/05/2024
11:07Prof Johan Willemse- Weeklikse MarkoorsigWe could solve the climate crisis by mining moon dust to create a 'solar shield’
03:15Three astrophysicists have an out-of-this-world solution for the climate crisis — mining dust from the moon and using it to build a shield around Earth that blocks the sun's rays.Researchers Benjamin Bromley, Sameer Khan, and Scott Kenyon say they've found that dust grains from the moon could be the right size to scatter sunlightAfrican mountains are feeling the heat of climate change
05:39Mountains are special places. They have distinctive climates that are generally cooler and wetter than surrounding lowlands, and they host plants, animals and landscapes that are uniquely found in these environments.
Antibiotic resistance detected in the food chain
01:28It's possible that cooking the meat reduces the risk of transmissionThe Death of the Stethoscope?
03:29Most people don't think much about stethoscopes but the fact is that this tool, so commonly associated with doctors, is at a crossroads. Having been in use for nearly two centuries, the stethoscope is during a debate with respect to its utility in healthcare.Unravelling the elaborate sex lives of spotted hyenas
03:29For animals, reproduction is a biological imperative, an instinct to pass their genetics onto the next generation. --- Send in a voice message: https://anchor.fm/johannpretorius/messageWarmer and murkier waters favour predators
04:58Natural habitats are facing mounting environmental challenges due to human activities such as land use changes, exploitation and climate change.