农田土壤有机碳管理与有机质平衡算法
张维理,KOLBEH,张认连,冀宏杰

Soil Organic Carbon Management and Farmland Organic Matter Balance Method
WeiLi ZHANG,H KOLBE,RenLian ZHANG,HongJie JI
表2 栽培作物的有机质碳当量值
Table 2 Humus equivalents (Heq) of crops
主要作物
Major crop1)
有机质碳当量 Heq (Corg kg·hm-2·a-1)
低值 Low absolute value 高值 High absolute value
糖用甜菜和饲用甜菜,含甜菜种子生产在内 Sugar & fodder beet including seed production -760 -1300
马铃薯、表3第I组作物 Potato and Group I in Table 3 -760 -1000
青贮玉米、籽粒玉米、表3第II组作物 Silage corn, kernel corn and Group II in Table 3 -560 -800
谷物、油料、纤维作物、向日葵、表3第III组作物
Cereal, oil, fibre crops, sunflower & Group III in Table 3
-280 -400
籽粒豆科作物 Seed leguminous 160 240
多年生饲草,含豆科饲草、禾本科饲草、混合饲草
Perennial forage: including leguminous, gramineous and mixed forages
低产水平2)
Low yield
高产水平3)
High yield
进入主使用期后每一年 Every main using year 600 800
播种年: 春季种子撒播 Sowing year: Spring broadcast sowing 400 500
播种年: 草皮覆盖移栽 Sowing year: Turf transplanting 300 400
播种年: 间作套播 Sowing year: Under sowing intercropping 200 300
播种年: 夏季种子撒播 Sowing year: Summer broadcast sowing 100 150
间作作物(地上收获物运送出田) Intercropping crops (harvests aboveground transported out of field)4)
冬季间作作物 Winter intercropping crops 120 160
普通间作作物 Common intercropping crops 80 120
套播间作作物 Under sowing intercropping crops 200 300
休耕地 Fallow land
休耕地的自绿化 Self-greening of fallow farmland
自头年秋季开始休耕 Begin since last autumn 180
自当年春季开始休耕 Begin since spring 80
休耕地的人工绿化 Artificial greening of farmland
去年夏季开始绿化 Begin since last summer 700
当年春季始开始绿化 Begin since spring 400