浙江农业学报 ›› 2022, Vol. 34 ›› Issue (4): 851-858.DOI: 10.3969/j.issn.1004-1524.2022.04.22
李柏霖1(), 焉莉1,*(
), 王继岩1, 高瑞雪1, 郭黎卿2,*(
)
收稿日期:
2021-03-19
出版日期:
2022-04-25
发布日期:
2022-04-28
通讯作者:
焉莉,郭黎卿
作者简介:
郭黎卿,E-mail: lunwen201906@163.com基金资助:
LI Bolin1(), YAN Li1,*(
), WANG Jiyan1, GAO Ruixue1, GUO Liqing2,*(
)
Received:
2021-03-19
Online:
2022-04-25
Published:
2022-04-28
Contact:
YAN Li,GUO Liqing
摘要:
以东北三省(黑龙江、吉林、辽宁)为研究区,先分析其1987—2018年的化肥氮素投入情况,然后从作物养分需求出发,以2018年为基准,评估东北三省的作物需氮量和氮肥利用率,并对短期、中期、长期情景下的化肥氮素减施空间进行预测。结果表明,1987—2018年,东北三省的化肥氮素投入量总体呈现上升趋势。基于平衡法测算,2018年黑龙江省的氮肥利用率高达157.11%,土壤中的氮素严重耗竭,而吉林省和辽宁省的氮肥利用率分别为69.00%和69.27%,尚处于平衡状态。在短期、中期和长期情景下,黑龙江省的化肥氮素均无减施空间。在短期情景下,吉林省和辽宁省分别有47.19%和46.99%的减施空间;在中期情景下,吉林省和辽宁省可保持现有的施氮量不变;在长期情景下,若采用有机肥部分替代化肥,吉林省和辽宁省的化肥氮素减施空间分别为26.07%和25.78%。
中图分类号:
李柏霖, 焉莉, 王继岩, 高瑞雪, 郭黎卿. 东北三省1987—2018年的种植业氮素投入与未来减施潜力[J]. 浙江农业学报, 2022, 34(4): 851-858.
LI Bolin, YAN Li, WANG Jiyan, GAO Ruixue, GUO Liqing. Nitrogen application rate and reduction potential in northeast China in 1987-2018[J]. Acta Agriculturae Zhejiangensis, 2022, 34(4): 851-858.
作物 Crop | 黑龙江 Heilongjiang | 吉林 Jilin | 辽宁 Liaoning | 东北三省 Northeast China |
---|---|---|---|---|
玉米Corn | 91.59 | 64.40 | 38.24 | 194.23 |
水稻Rice | 39.21 | 9.44 | 6.10 | 54.75 |
小麦Wheat | 0.89 | <0.01 | 0.03 | 0.92 |
大豆Soybean | 47.36 | 3.97 | 1.30 | 52.62 |
谷子Millet | 0.29 | 0.46 | 0.71 | 1.45 |
马铃薯Potato | 0.40 | 0.18 | 0.15 | 0.72 |
甜菜Beet | 0.25 | 0.01 | 0.06 | 0.32 |
烟叶Tobacco | 0.13 | 0.10 | 0.07 | 0.30 |
蔬菜Vegetables | 2.74 | 1.89 | 8.00 | 12.64 |
花生Peanut | 0.22 | 3.51 | 3.36 | 7.09 |
芝麻Sesame | <0.01 | 0.01 | <0.01 | 0.02 |
合计Total | 183.08 | 83.97 | 58.02 | 325.07 |
表1 2018年东北三省的作物需氮量
Table 1 Nitrogen demand in northeast China in 2018 104t
作物 Crop | 黑龙江 Heilongjiang | 吉林 Jilin | 辽宁 Liaoning | 东北三省 Northeast China |
---|---|---|---|---|
玉米Corn | 91.59 | 64.40 | 38.24 | 194.23 |
水稻Rice | 39.21 | 9.44 | 6.10 | 54.75 |
小麦Wheat | 0.89 | <0.01 | 0.03 | 0.92 |
大豆Soybean | 47.36 | 3.97 | 1.30 | 52.62 |
谷子Millet | 0.29 | 0.46 | 0.71 | 1.45 |
马铃薯Potato | 0.40 | 0.18 | 0.15 | 0.72 |
甜菜Beet | 0.25 | 0.01 | 0.06 | 0.32 |
烟叶Tobacco | 0.13 | 0.10 | 0.07 | 0.30 |
蔬菜Vegetables | 2.74 | 1.89 | 8.00 | 12.64 |
花生Peanut | 0.22 | 3.51 | 3.36 | 7.09 |
芝麻Sesame | <0.01 | 0.01 | <0.01 | 0.02 |
合计Total | 183.08 | 83.97 | 58.02 | 325.07 |
区域 Region | 氮素输出 Nitrogen output/104t | 氮素输入 Nitrogen input/104t | 氮肥利用率 Nitrogen utilization rate/% |
---|---|---|---|
黑龙江 | 183.08 | 116.53 | 157.11 |
Heilongjiang | |||
吉林Jilin | 83.97 | 121.69 | 69.00 |
辽宁Liaoning | 58.02 | 83.76 | 69.27 |
东北三省 | 325.07 | 321.98 | 100.96 |
Northeast China |
表2 2018年东北三省的氮肥利用率
Table 2 Nitrogen utilization rate in northeast China in 2018
区域 Region | 氮素输出 Nitrogen output/104t | 氮素输入 Nitrogen input/104t | 氮肥利用率 Nitrogen utilization rate/% |
---|---|---|---|
黑龙江 | 183.08 | 116.53 | 157.11 |
Heilongjiang | |||
吉林Jilin | 83.97 | 121.69 | 69.00 |
辽宁Liaoning | 58.02 | 83.76 | 69.27 |
东北三省 | 325.07 | 321.98 | 100.96 |
Northeast China |
指标 Index | 情景 Scenario | 黑龙江 Heilongjiang | 吉林 Jilin | 辽宁 Liaoning | 东北三省 Northeast China |
---|---|---|---|---|---|
化肥氮素投入 | 2018年现状Current situation in 2018 | 116.53 | 121.69 | 83.76 | 321.98 |
Nitrogen application rate/104 t | 短期Short-term | 140.11 | 64.26 | 44.40 | 248.77 |
中期Mid-term | 280.22 | 128.52 | 88.81 | 497.55 | |
长期Long-term | 196.16 | 89.96 | 62.17 | 348.29 | |
化肥氮素减施空间 | 短期Short-term | -20.24 | 47.19 | 46.99 | 22.74 |
Nitrogen reduction potential/% | 中期Mid-term | -140.48 | -5.62 | -6.03 | -54.53 |
长期Long-term | -68.34 | 26.07 | 25.78 | -8.17 |
表3 短期、中期、长期情景下东北三省的化肥氮素减施空间
Table 3 Nitrogen reduction potential in northeast China under short-term, mid-term, long-term scenarios
指标 Index | 情景 Scenario | 黑龙江 Heilongjiang | 吉林 Jilin | 辽宁 Liaoning | 东北三省 Northeast China |
---|---|---|---|---|---|
化肥氮素投入 | 2018年现状Current situation in 2018 | 116.53 | 121.69 | 83.76 | 321.98 |
Nitrogen application rate/104 t | 短期Short-term | 140.11 | 64.26 | 44.40 | 248.77 |
中期Mid-term | 280.22 | 128.52 | 88.81 | 497.55 | |
长期Long-term | 196.16 | 89.96 | 62.17 | 348.29 | |
化肥氮素减施空间 | 短期Short-term | -20.24 | 47.19 | 46.99 | 22.74 |
Nitrogen reduction potential/% | 中期Mid-term | -140.48 | -5.62 | -6.03 | -54.53 |
长期Long-term | -68.34 | 26.07 | 25.78 | -8.17 |
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