Effect of Soil Tillage and Fertilization on Soil Nutrient and Respiration Flux in Spring Maize Fields

Abstract:

In this paper the effects of two types of tillage (conventional tillage-CT and zero tillage-ZT) with three different soil fertilization patterns(chemical fertilizer, chemical-organic fertilizer and organic fertilizer) on soil rapidly available nitrogen, rapidly available phosphorus, rapidly available kalium and soil respiration flux in ridge cultivation maize fields were studied. The results indicate that in 2005 and 2006, soil rapidly available nitrogen of two tillage type in different fertilization treatments were organic fertilizer (OF) > chemical-organic fertilizer (OCF) > no fertilizer (CK) > chemical fertilizer(CF); Except For OF, the decreasing of soil available nitrogen contents of each fertilization treatments for ZT were more than those of CT. Rapidly available phosphorus for ZT were OCF >OF > CF >CK, and for CT were OCF > CK >OF> CF; rapidly available kalium for ZT were OCF >OF > CK > CF. soil respiration for different of fertilization patterns for ZT were OCF >OF > CK > CF. In ZT, soil available N and P had close relation with soil respiration flux, especially in OCF treatment. While in CT, soil available N had close relation with soil respiration flux.

• Periodical: Advanced Materials Research (Volumes 518-523)
• Pages: 4604-4609
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.518-523.4604
• Online since: May 2012
• Authors: Li Jun Li, Jing Hui Liu, Aodungerile Chen, Li Gang Wang, Jian Guo Shi, Surya N. Acharya, Qin Chen
• Keywords: Fertilization, Soil Available Nutrient, Soil Respiration Flux

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