2005•T'u Jang T'ung PaoRequires access

Effect of Different Treatments on the Space-time Dynamic Changes of Soil Nutrients by Returning Maize Straw under Different Decay Conditions

Zhang Dian-xue, Han Zhi-qing

Abstract

A 2 years experiment was conducted in cinnamon soil in the eastern parts of Hebei province. The effect of different treatments on the space-time dynamic changes of soil N and P by returning application of maize straw under different decay conditions was studied. The results showed that returning application of maize straw could significantly improve the supply of soil N and P. Adjusting the proportion of straw C/N from 15∶1 to 35∶1,the course of transformation with application of maize straw did not change, and there was no obvious difference to the space-time dynamic variations of soil N and P. Adjusting the proportion of straw C/N with effective microorganisms could remarkably quicken the step of transformation of maize straw.

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Key concepts: Straw, Nutrient, Soil nutrients, Agronomy, Environmental science, Transformation (genetics), Significant difference, Animal science