INFLUENCE OF MANURE AND LIME RATES APLIED ON DIFFERENT NP BACKGROUNDS ON PH-VALUE OF PRELUVOSOIL FROM NORTH-WEST PART OF ROMANIA PUBLISHED

Gheorghe Ciobanu
In Romania was elaborated since 1968 a stationary long term experiments with fertilizers and lime in all the Agricultural Research Stations belong to Research Institute from Fundulea. The experiments was set up using a unitary scheme for knowing the evolution of soil fertility and the influence of organic – chemical fertilizers and limes rates and combinations on level and quality yield of different crops. The preluvosoil from North-West part of Romania is a medium soil, provide with the principal nutritive elements, with a weak acid reaction in the plugging horizon. In this paper are presented the results regarding the influence of manure and limes applied on different NP backgrounds on pH values of preluvosoil from North-West part of Romania. The research data presented show that the manure application has favorable effect on soil acidity, the pH-values remaining at the favorable level for growing and developing of the crops. Neutralization of soil acidity and completion of calcium reserve (and magnesium) trough lime application is an essential measure for increasing yield capacity of acid soils.
long term field experiments; manure; lime; pH evolution; lime and NP fertilizers interaction
Presentation: oral

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