**Meet the editor**

Anna Aladjadjiyan has worked for 40 years in the Agricultural University (AU), Plovdiv, Bulgaria. She holds an MSc degree in physics of semiconductors, a PhD degree in physics of condensed matter and a DSc degree in agriculture. She was the former head of Department (Physics and Mathematics) and vice-rector (International and Public Relations) of AU. She has previously been a

professor of physics and was a member of the editorial board of the Journal of Central European Agriculture (2001–2007) and the editorial board of the Journal of Environmental Protection and Ecology (2002–2009). She has coordinated 15 international projects for Bulgaria: Altener, Thermie, PECO, Bulgarian Research Fund, Socrates-Erasmus Institutional Co-ordinator (2000-2007), Quality Culture (2003-2005), ISEKI-FOOD (Erasmus Network; 2005 –2012), FP7, Horizon2020. She was an expert in the evaluation of ALTENER proposals in 2002 and ERASMUS proposals in 2006– 2009. Presently, she is the president of the National Biomass Association (BGBIOM).

Contents

**Preface VII**

**Materials 3** Anna Aladjadjiyan

**Section 2 Fertilisers from Agricultural Waste 7**

Pedreño and Antonis A. Zorpas

**Agricultural Waste 9**

**and Quality 45** George F. Antonious

**Development 71**

Alade

**Section 3 Biofuels from Agricultural Waste 69**

Chapter 2 **Physical Properties of Soils Affected by the Use of**

**Irrigated with Industrial Wastewater 29**

Moran Ramírez and Jose Alfredo Ramos Leal

Chapter 4 **Biochar and Animal Manure Impact on Soil, Crop Yield**

Chapter 5 **Significance of Agricultural Residues in Sustainable Biofuel**

Chapter 1 **Introductory Chapter: Agricultural Waste as a Source of Raw**

Chapter 3 **Chromium Species and 3D-Fluorescence Spectroscopy in a Soil**

María Belén Almendro-Candel, Ignacio Gómez Lucas, Jose Navarro-

Rosa María Fuentes-Rivas, Francisco Martin-Romero, Daury García Pulido, Reyna Maria Guadalupe Fonseca-Montes de Oca, Janete

Nurudeen Ishola Mohammed, Nassereldeen Kabbashi and Abass

**Section 1 Introduction 1**
