How exactly can you recommend changing the concentration of which salts when increasing soil humus?
@ Otamurod, I don't think any salt is responsible for increase in soil humus content. Actually, regular use of organic manures, helps to increase the humus content in the soil . Humus content 60 percent carbon, 6 percent nitrogen, and smaller amounts of phosphorus and sulfur.
Don't expect the process to be rapid even with no tillage. Look at the data for the Rothamsted classic experiment
Hallo!: I'd say the problems from increased nitrous compounds in underground water, and overgrowth of algae and other noxius elements from this, could be experimentally addressed by reducing the amount of nitrogenous fertilizers added to agricultural land; if too much of N compounds reach water, this could be because too much fertilizer was added.
The situation from the war NATO declared to Russia in Ukraine, which will reduce available amount in the markets of nitrogen fertilizers, would be an unwanted, spontaneous experiment, but gathering data in a formal way looks better.
You know marketing peopple in the fertilizer industry want sales, do not care about ecology, same as oil industry favored huge engines, to have profits from selling gasolines and other fuels, gasolines were a mandatory byproduct of oil distillation which found no use, was discarded into sewage systems, until Internal Combustion Engine was invented and spread.
Probably, the right amount of N fertilizers to be added to cultures is to be determined by a 'dose-finding', 'minimal efficacious dose', study.
You see al over Europe piles of straw, hay, waiting to be collecetd form fields after grain harvest.
Are there data about the results of simply bury all straw when plowing the land, instead of collecting or burning straw?
For sure, straw will change into humus sooner or later when underground.
Thanks. Blessings +
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