Scientia Agricultura Sinica

Figure/Table detail

Quantitative Analysis of Driving-Factors of Soil Acidification in Qiyang County, Hunan Province

ZHOU HaiYan,XU MingGang,CAI ZeJiang,WEN ShiLin,WU HongHui

Scientia Agricultura Sinica, 2019, 52(8): 1400-1412. DOI: 10.3864/j.issn.0578-1752.2019.08.010

作物类型 Cropping systems	施氮量 N rate (kg·hm^-2·a^-1)	氮沉降 N deposition (kg·hm^-2·a^-1)	秸秆吸氮量 Straw N uptake (%)	籽粒吸氮量 Grain N uptake (%)	NH₃挥发 NH₃ volatilization (%)	NO₃-N淋洗量 NO₃-N leaching (%)
水稻 Rice	180	47.6	1.20	1.21	17.3	2.9
玉米Corn	216	47.6	0.92	1.15	24.5	20.2
花生Peanut	120	47.6	1.82	4.57	24.8	12.9
油菜Rape	160	47.6	0.87	8.67	24.6	15.1
甘薯Sweet potato	102	47.6	2.37	0.33	25.3	11.4
大豆Soybean	165*	47.6	1.81	7.82	25.0	11.7
柑橘Citrus	239	47.6	-	-	24.6	17.7

Table 3 Input-output fluxes of N in typical agricultural systems

Other figure/table from this article

Table 10 Soil buffer capacity and H⁺ net production of wheat-corn long-term experiment in Qiyang County
Fig. 1 The changes of simulated value and measured value of soil pH in different years
Fig. 2 Comparison of simulated value and measured value of soil pH
Table 2 Grain dry matter yield and element contents in seeds and straws for typical crops
Table 5 Wood biomass, element contents in stem, branches and fruits for typical economic forests
Table 6 Grain dry matter yield and element contents for long term experiment of wheat-corn
Table 7 H⁺ production of acidity-inducing factors among the different land use patterns
Table 8 H⁺ production of acidity-inducing factors among the six main crop systems
Table 1 Element input of main crops and orange
Table 4 Wood biomass, element contents in stem wood and branches for typical timber forests
Table 9 H⁺ production of acidity-inducing factors among the seven main woodland systems