Sentences with phrase «biochar on crop yield»

Not exact matches

But a new study casts doubt on biochar's efficacy, finding that using it only improves crop growth in the tropics, with no yield benefit at all in the temperate zone.

He makes the case that poor or even negative results on crop yields are often the result of over-application and / or the use of raw, rather than matured, biochar.

And more recently Almuth Ernsting revisited the biochar issue, arguing that research on everything from positive impacts on crop yields to long - term soil carbon sequestration was questionable at best:

More: re: char Biochar New Biochar Test Shows up to 17 % Crop Yield Increase, Lower Soil Nutrient Depletion Betting on Biochar to Solve Out Super CO2 Imbalance Biochar Offers Answer for Healthy Soil and Carbon Sequestration