[Mineralization of various organic fertilizers in a sod-podzolic loamy sand]
2000
Lapa, V.V. | Tikavyj, V.A. | Dembitskaya, T.V. | Golovach, A.A.
It is established that at the ploughing in a soil spring rape green mass (240 c/ha) and root residues (86,6 c/ha) the uptake amounts to 132,5 kg/ha nitrogen, 77 kg/ha phosphorus and 192,5 kg/ha potassium. At the application of straw manure (60 t/ha) accordingly a soil received 500; 264; 252 kg/ha, and peat-manure compost (60 t/ha) - 343, 179, 288 kg/ha nitrogen, phosphorus and potassium. These nutrients already in the first year are released on 70-80% in available for plant forms
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Эту запись предоставил National Academy of Sciences of Belarus