Effects of Different Organic Residues on Rice Yield and Soil Quality

作     者：PENG Li LIU Wei SU Chunjiang LI Ping FANG Yan WANG Xiaolan SUN Lian 

作者机构：Institute of Mountain Hazards and EnvironmentChinese Academy of SciencesNo.9.Section 4South Renmin RoadChina Graduate University of Chinese Academy of SciencesBeijing 100049China Institute of HorticultureSichuan Academy of Agricultural SciencesChengdu 610066China Key Laboratory of Horticultural Crops Biology and Germplasm Enhancement in Southwest RegionsMinistry of AgricultureChengdu 61oo66China Southwest Jiaotong UniversityChengdu 610031China Sichuan Technology and Business CollageDujiangyan 611844China Sichuan Provincial Environmental Information CenterChengdu 610015China 

出 版 物：《Journal of Mountain Science》 (山地科学学报（英文）)

年 卷 期：2012年第9卷第5期

页      面：715-722页

核心收录：

学科分类：09[农学] 0903[农学-农业资源与环境] 0901[农学-作物学] 090301[农学-土壤学] 

基　　金：funded by the National Science and Technology Support Project (Grant No.2008BAD7B09-2) 

主　　题：Co-composting Leguminous plants Soilquality indicators Soil restoration Spent mushroomcompost 

摘      要：Calcaric regosols are a valuable land resource, distributed widely across western China. Soil quality has deteriorated considerably in recent years owing to the blind pursuit of economic benefits. A 2-year field experiment was carried out to evaluate the effects of using spent mushroom compost, leguminous plant (Vicia sepium L.) compost, and a combination of the two (at a 1:1 and 2:1 ratio), on rice yield and soil quality in a suburb of China. Vicia sepium L. composted with spent mushroom compost at a 1:1 ratio produced the highest grain and stover yield, grain and stover phosphorus concentration, and phosphorus uptake of rice; they were 56.5%, 93.2%, 89.3%, 198.6% and 22.2% greater than control soil, respectively. The 2:1 ratio (Vicia sepium L.: spent mushroom compost) produced the highest grain N concentration, stover N concentration, and N uptake; they were 31.6%, 31.4%, and 40.7% higher than control, respectively. Soil physical, chemical, and environmental properties were improved with the application of Vicia sepium L. composted with spent mushroom compost at a 2:1 ratio. In particular, soil water-stable aggregates, organic carbon, particulate organic carbon, total nitrogen, available potassium, and cation exchange capacity increased, whereas bulk density, pH, and phytoavailable heavy metals decreased. This organic treatment is beneficial to improve soil quality indicators, and contribute to soil restoration.