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Synergetic use of biochar and synthetic nitrogen and phosphorus fertilizers to improves maize productivity and nutrient retention in loamy soil
Journal article   Peer reviewed

Synergetic use of biochar and synthetic nitrogen and phosphorus fertilizers to improves maize productivity and nutrient retention in loamy soil

W.A. Minhas, M. Hussain, N. Mehboob, A. Nawaz, S. Ul-Allah, M.S. Rizwan and Z. Hassan
Journal of Plant Nutrition, Vol.43(9), pp.1356-1368
2020
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Abstract

This study was designed to investigate the effect of biochar on maize production and nutrient retention with recommended full and half dose of nitrogen (N) and phosphorus (P) nutrition in loamy soil. In the first study, maize was grown in pots with four levels of biochar (0, 2, 4, and 6 t ha−1) under two levels of NP fertilizer, viz. recommended (200–150 kg NP ha−1) and it’s half (100–75 kg NP ha−1) dose. The prominent improvement in plant roots traits, leaf area, plant growth, morphological and yield-related parameters were observed with addition of biochar at 2 and 4 t ha−1; while, plant height, number of grains per cob, grains and biological yield decreased with biochar addition 6 t ha−1 along with full dose of NP nutrition. In subsequent field studies, two levels of biochar along with control (0, 2, 4 t ha−1) were investigated. The more improvement in root growth, leaf area and crop growth was observed when biochar was applied at 2 t ha−1 with full NP nutrition. Biochar application at 2 t ha−1 with full NP nutrition produced the highest grain yield (6.64 t ha−1); however, biochar addition (2 t ha−1) with half NP nutrition resulted in better grain yield than full dose of NP to enhance maize production as compared with full dose of NP without biochar. Therefore, biochar addition (2 t ha−1) with half-recommended dose of NP prominently improved the maize productivity in loamy soil and serve as better in replacement of full dose of NP fertilizer.

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UN Sustainable Development Goals (SDGs)

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#2 Zero Hunger
#6 Clean Water and Sanitation
#12 Responsible Consumption & Production
#13 Climate Action
#15 Life on Land

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Collaboration types
Domestic collaboration
International collaboration
Citation topics
3 Agriculture, Environment & Ecology
3.45 Soil Science
3.45.1903 Biochar
Web Of Science research areas
Plant Sciences
ESI research areas
Plant & Animal Science
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