Liquid fertilizers produced by microwave-assisted acid hydrolysis of livestock and poultry wastes and their effects on hot pepper cultivation

Liquid fertilizers (LFs) produced by microwave-assisted acid hydrolysis of livestock and poultry wastes were applied to potted hot pepper (Capsicum annuum L.) to evaluate their potential to be used as amino acid LFs. A preliminary experiment was conducted to determine the optimum acid-hydrolysis con...

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Veröffentlicht in:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA. - 1991. - 42(2024), 12 vom: 14. Dez., Seite 1109-1118
1. Verfasser: Hashem, Inas A (VerfasserIn)
Weitere Verfasser: Hu, Ronggui, Abbas, Mohamed Hh, Hashem, Taghred A, Saleem, Muhammad Hamzah, Zhou, Wenbing, Xiao, Naidong
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
Schlagworte:Journal Article Acid hydrolysis agricultural recycling amino acid animal waste hot pepper liquid fertilizer Fertilizers
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520 |a Liquid fertilizers (LFs) produced by microwave-assisted acid hydrolysis of livestock and poultry wastes were applied to potted hot pepper (Capsicum annuum L.) to evaluate their potential to be used as amino acid LFs. A preliminary experiment was conducted to determine the optimum acid-hydrolysis conditions for producing LFs from a mixture of pig hair and faeces (P) and another mixture of chicken feathers and faeces (C). Two LFs were produced under the optimum acid-hydrolysis conditions (acidification by sulphuric acid (7.5 mol L-1) in a microwave (200 W) for 90 minutes), and a commercial amino acid LF (Guo Guang (GG)) was used for comparison. P, C and GG fertilizers were tested in potted hot pepper cultivation at two doses, whereas no fertilizer application served as the control (CK). P and C fertilizers significantly increased the fruit yield compared with GG fertilizer, particularly at the higher dose. Moreover, the treatments improved the fruit vitamin C and soluble sugar contents in the order of C > P > GG compared with CK. These results could be attributed to more types of amino acids in C fertilizer than in P and GG fertilizers. The results also indicated that the prepared fertilizers could significantly increase the shoot and root dry weight, soil available nitrogen and phosphorus contents and nitrogen, phosphorus, and potassium (NPK) uptake by plants compared with CK. In conclusion, microwave-assisted acid hydrolysis could effectively convert unusable wastes into valuable fertilizers comparable or even superior to commercial fertilizers 
650 4 |a Journal Article 
650 4 |a Acid hydrolysis 
650 4 |a agricultural recycling 
650 4 |a amino acid 
650 4 |a animal waste 
650 4 |a hot pepper 
650 4 |a liquid fertilizer 
650 7 |a Fertilizers  |2 NLM 
700 1 |a Hu, Ronggui  |e verfasserin  |4 aut 
700 1 |a Abbas, Mohamed Hh  |e verfasserin  |4 aut 
700 1 |a Hashem, Taghred A  |e verfasserin  |4 aut 
700 1 |a Saleem, Muhammad Hamzah  |e verfasserin  |4 aut 
700 1 |a Zhou, Wenbing  |e verfasserin  |4 aut 
700 1 |a Xiao, Naidong  |e verfasserin  |4 aut 
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