Baker DE, Suhr NH (1982). Atomic absorption and flame emission spectrometry. In A.L. Page, R. H. Miller and D. R. Keeneys. (eds.) Methods of Soil Analysis, Part 2. Agronomy Monograph No. 9. 2nd edition. ASA-SSSA, WI, pp. 13-26.

Barnett GM (1994). Phosphorus forms in animal manure. Bioresource Technology 49(2):139-147.
Crossref

Brechelt A (2004). Manejo Ecológico del Suelo. Red de Acción en Plaguicidas y sus Alternativas para América Latina (RAP-AL). Santiago del Chile, Chile (in Spanish).

Chen JH, Lin YH (2010). Sodium chloride causes variation in organic acids and proteins in tomato root. African Journal of Biotechnology. 9(48):8161-8167.
Crossref

FAO (2016b). The State of World Fisheries and Aquaculture: Contributing to food security and nutrition for all. Food and Agriculture Organization of the United Nations (FAO), Rome.

Ferrer I, Gamiz M, Almeida M, Ruiz A (2009). Pilot project of biogas production from pig manure and urine mixture at ambient temperature in Ventanilla (Lima, Peru). Waste Management. 29(1):168-173.
Crossref

Ferrer I, Garfí M, Uggetti E, Ferrer-Martí L, Calderon A, Velo E (2011). Biogas production in low-cost household digesters at the Peruvian Andes. Biomass and Bioenergy 35(5):1668-1674.
hCrossref

Garfí M, Ferrer-Marti L, Velo E, Ferrer I (2021). Evaluating benefits of low-cost household digesters for rural Andean communities. Renewable and Sustainable Energy Reviews (In press) 16(1): 575-581.
Crossref

Huang H, Liu J, Zhang P, Zhang D, Gao F (2017). Investigation on the simultaneous removal of fluoride, ammonia nitrogen and phosphate from semiconductor wastewater using chemical pre cipitation. Chemical Engineering Journal 307: 696-706.
Crossref

Kataki S, West H, Clarke M, Baruah DC, (2016a). Phosphorus recovery as struvite from farm, municipal and industrial waste: Feedstock suitability and pre-treatments. Waste Management 49:437-454.
Crossref

Kholmanskiy A, Smirnov A, Sokolov A, Proshkin Y (2019). Modeling of extraction mechanism of mineral elements by plants. Current Plant Biology. 
Crossref

Kundsen D, Peterson GA, Pratt PF (1982). Lithium, Aodium, and Potassium. In A. L. Page, R. H. Miller and D. R. Keeneys. (eds.) Methods of Soil Analysis, Part 2. Agronomy Monograph No. 9. 2nd edition. ASA-SSSA, Wis, pp. 228-238.

Lansing S, Martin J, Botero R, Nogueira da Silva T, Dias da Silva E (2010). Wastewater transformations and fertilizer value when codigesting differing ratios of swine manure and used cooking grease in low-cost digesters. Biomass and Bioenergy 34(12):1711-1720.
Crossref

Lanyon LE, Heald WR (1982). Magnesium, calcium, strontium and barium. Pages 247-262 in Methods of soil analysis. Part 2. Chemical and Microbial Properties. Second edition (Page AL, Miller RH and Keeney DR, eds.). Wisconsin, Madison, USA: American Society of Agronomy.
Crossref

Massé DI, Croteau F, Masse L, (2007). The fate of crop nutrients during digestion of swine manure in psychrophilic anaerobic sequencing batch reactors. Bioresource Technology 98(15):2819-2823.
Crossref

Mclean EO (1982). Soil pH and lime requirement. In A.L.Page?R.H. Miller and D.R. Keeneys.(eds.) Methods of Soil Analysis, Part 2. Agronomy Monograph No.9. 2nd edition.ASA-SSSA, WI, pp. 199-224.
Crossref

Mesquita DEF, Chaves LHG, Melo1, ECD, Cavalcante LF, Alves AD, Santos S, APD L (2018). Organic fertilizer and irrigation in changes the chemical properties of a Fluvent and okra production. Comunicata Scientiae. 9(1): 1-11.
Crossref

Munir MT, Li B, Boiarkina I, Baroutian S, Yu W, Young BR (2017). Phosphate recovery from hydrothermally treated sewage sludge using struvite precipitation. Bioresource Technology 239:171-179..
Crossref

Murphy J, Riley JP (1962). A modified single solution method for determination of phosphate in natural waters. Analytica Chimica Acta 27:31-36
Crossref

Neina D (2019). The Role of Soil pH in Plant Nutrition and Soil Remediation. Applied and Environmental Soil Science, pp. 1-9. .
Crossref

Nelson DW, Sommer LE (1982). Total carbon, organic carbon, and organic matter. Methods of Soil Analysis: Part 2 Chemical And Microbiological Properties (9) 539-579..
Crossref

Parker DR, Bertsch PM (1992). Formation of the "Al13" tri- decameric polycation under diverse synthesis conditions. Environmental Science and Technology 26(5):908-914.
Crossref

Pomares F, Canet R (2001). In: Boixadera, J., Teira, M.R. (Eds.), Organic waste utilization in agriculture: origin, composing and characterization. Lleida, Spain (in Spanish), pp.1-15.

Pradhan SK, Mikola A, Vahala R (2017). Nitrogen and phosphorus harvesting from human urine using a stripping, absorption, and precipitation process. Environmental Science and Technology 51(9):5165-5171.
Crossref

Richardson SD, Ternes TA (2011). Water analysis: emerging contaminants and current issues. Analytical Chemistry 83(12):4614-4648.
Crossref

Shen QR, Shen ZG (2011). Effect of pig manure and wheat straw on growth of mung bean grown in aluminium toxicity soil. Bioresource Technology 76(3):235-240..
Crossref

Tambone F, Scaglia B, D'Imporzano G, Schievano A, Orzi V, Salati S, Adani F (2010). Assessing amendment and fertilizing properties of digestates from anaerobic digestion through a comparative study with digested sludge and compost. Chemosphere 81(5):577-583.
Crossref

Tani M, Sakamoto N, Kishimoto T, Umetsu K (2006). Utilization of anaerobically digested dairy slurry combined with other wastes following application to agricultural land. International Congress Series 1293:331-334.
Crossref

Thy S, Preston TR, Ly J (2003). Effect of retention time on gas production and fertilizer value of biodigester effluent.Livestock Research for Rural Development 15(7):2003.

Wang F, Fu R, Lv H, Zhu G, Lu B, Zhou Z, Wu X, Chen H (2019). Phosphate recovery from swine wastewater by a struvite pre cipitation electrolyzer. Scientific Reports 9(1): 1-10.
Crossref

Zaldivar A, Siura S, Delgado J (2006). Efecto de diferentes fuentes de abonos orgánicos y úrea sobre el rendimiento de lechuga (Lactuca sativa L.) en la Molina. Congreso Peruano de Horticultura, Arequipa, Peru (in Spanish).