The cumulative effect of spent mushroom compost on some chemical properties of the soil under potato cropping conditions

A. Zidan1, M. Ibraheem2* 1Department of Soil and Water Science, Faculty of Agriculture, Tishreen University, Lattakia, Syria 2General Commission for Scientific Agricultural Research (GCSAR), Tatous, Syria (Manuscript received 20 June 2022; accepted for publication 7 March 2023) Abstra
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Changes of some agro-chemical parameters of Pellic Vertisol (FAO) soil type in growing cereal crops under organic system of agriculture

V. Koteva Abstract. The investigation was carried out in a field certified for organic agriculture, on soil type Pellic vertisol (FAO) during 2004 – 2012. The changes in soil acidity, total humus content and reserves of mineral nitrogen, mobile phosphorus and available potassium in so
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