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

林木类型 Tree species	面积 Area (hm²）	生物量 Biomass (kg·hm^-2)		枝干养分含量 Element content in stem wood (%)					果实养分含量 Element content in fruits (%)
林木类型 Tree species	面积 Area (hm²）	枝干 Stems and branches	果实 Fruits	N	P	K	Ca	Mg	N	P	K	Ca	Mg
板栗Chestnut	137	13725	3750	0.978	0.186	0.253	1.400	0.210	1.376	0.27	0.664	2.048	0.222
油茶林Camellia oleifera	28513	7681	1798	0.65	0.045	0.31	0.129	0.131	0.831	0.093	0.971	0.437	0.129
柑橘Citrus	2068	26190	40397	0.513	0.070	0.420	1.193	0.247	0.158	0.052	0.236	0.062	0.016

Table 5 Wood biomass, element contents in stem, branches and fruits for typical economic forests

Other figure/table from this article

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 3 Input-output fluxes of N in typical agricultural systems
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 9 H⁺ production of acidity-inducing factors among the seven main woodland systems
Table 2 Grain dry matter yield and element contents in seeds and straws for typical crops
Table 4 Wood biomass, element contents in stem wood and branches for typical timber forests