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Assessment of the agrochemical properties of the soil using the extraction solution Mehlich 3 in Estonia
fertiliser requirement available phosphorus potassium calcium magnesium copper manganese double lactate extraction ammonium lactate extraction
2010/1/13
To determine the requirement of macro- and microelements, seven extraction solutions have been employed in Estonian practice. Double lactate (DL) extraction has been used for determination of the phos...
Effect of fertilisation systems on the balance of plant nutrients and soil agrochemical properties
heavy loam brown soil fertilising system crop rotation phosphorus and potassium humus
2010/1/13
In the organic fertilisation system, the application of only 80 t ha‑1 of farmyard resulted, compared with the mineral fertilisation system, in a humus content increase in the plough layer by 0....