秸秆还田与化肥配施对汉中盆地稻麦轮作农田土壤固碳及经济效益的影响
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吴玉红,郝兴顺,田霄鸿,陈浩,张春辉,崔月贞,秦宇航
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Effect of straw returning combined with NPK fertilization on soil carbon sequestration and economic benefits under rice-wheat rotation in Hanzhong basin
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Yu-Hong WU,Xing-Shun HAO,Xiao-Hong TIAN,Hao CHEN,Chun-Hui ZHANG,Yue-Zhen CUI,Yu-Hang QIN
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表4 不同秸秆还田下小麦和水稻籽粒产量、秸秆还田量及周年产量
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Table 4 Wheat yield, rice yield, amount of returning-straw and two seasons yield in different straw return treatments
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处理
Treatment | 2016年作物籽粒产量
Crop yield in 2016
(kg hm-2) | 2016年地上部分秸秆还田量
Rrate of straw returned to the field in 2016 (kg hm-2) | 2017年作物籽粒产量
Crop yield in 2017
(kg hm-2) | 2017年地上部分秸秆还田量
Rate of straw returned to the field in 2017 (kg hm-2) | 周年产量
Two seasons yield
(kg hm-2) | 小麦
Wheat yield | 水稻
Rice yield | 水稻秸秆
Rice straw | 小麦秸秆Wheat straw | 小麦
Wheat yield | 水稻
Rice yield | 水稻秸秆
Rice straw | 小麦秸秆
Wheat straw | 2015-2016 | 2016-2017 | | SN+NPK | 3900.0 a | 9248.4 ab | 0 | 0 | 5550.0 b | 9062.4 a | 0 | 0 | 13148.4 a | 14612.4 b | | S+NPK | 4291.7 a | 9288.5 ab | 9288.5 | 4720.9 | 5866.5 b | 9280.2 a | 9280.2 | 6453.2 | 13580.1 a | 15146.7 ab | | SD+NPK | 4008.3 a | 9923.1 a | 9923.1 | 4409.1 | 6817.5 a | 9467.6 a | 9467.6 | 7499.3 | 13931.4 a | 16285.1 a | | SD+85%NPK | 3394.5 b | 8955.2 b | 8955.2 | 3733.9 | 5500.5 b | 8932.5 a | 8932.5 | 6050.6 | 12349.7 b | 14433.0 b | | SD+70%NPK | 3191.7 b | 8644.5 b | 8644.5 | 3510.8 | 4950.0 c | 8746.4 b | 8746.4 | 5445.0 | 11836.2 c | 13696.4 c |
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