Abstract
The aim of the present research was to evaluate the content of total phosphorus, organic phosphorus and available phosphorus and the activity of alkaline and acid phosphatases in relation to soil fertilisation with manure and mineral nitrogen. The soil for chemical and biochemical analyses was sampled from a long-term field experiment set up in the Agricultural Experimental Station at Grabow-by-the Vistula by the IUNG Plant Nutrition and Fertilization Institute in Pulawy. The first experimental factor involved manure fertilisation at the
Abstract from the paper’s OpenAlex record, shown for indexing and research. Copyright remains with the authors or the publisher. Read at the source ↗
The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 0
Judged insufficient_evidence: abstract_index_error — claims were not extracted. This is a scope decision by the model, not a statement about the paper’s findings.