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浙江大学学报(农业与生命科学版)  2020, Vol. 46 Issue (2): 225-233    DOI: 10.3785/j.issn.1008-9209.2019.06.101
资源利用与环境保护     
不同施肥模式对单季稻生长和氮磷流失的影响
王新霞(),王季丰,侯琼,王肖君,倪吾钟()
浙江大学环境与资源学院,浙江省农业资源与环境重点实验室,杭州 310058
Effects of different fertilizing models on growth of single crop rice and nitrogen and phosphorus runoff losses
Xinxia WANG(),Jifeng WANG,Qiong HOU,Xiaojun WANG,Wuzhong NI()
Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment,College of Environmental and Resource Sciences,Zhejiang University,Hangzhou 310058,China
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摘要:

通过田间试验,研究常规施肥(conventional fertilization, CF)、常规推荐施肥(conventional recommended fertilization, CRF)、优化测土配方施肥(optimized soil testing for formulated fertilization, TF)和优化测土配方基础上有机肥部分替代化肥施肥(application of organic manure as a partial replacement for chemical fertilizers based on optimized soil testing for formulated fertilization, TFM)4种典型施肥模式对单季稻生长和稻田氮磷径流流失的影响。结果表明,3种改良施肥模式与常规施肥相比增产2.80%~3.63%,水稻植株各部位氮磷含量相当,同时,CRF、TF、TFM模式的总氮累积流失量分别减少了2.75%、14.15%和33.28%,总磷累积流失量分别减少了19.02%、21.31%和29.51%。总之,3种改良施肥模式均可满足水稻对氮磷养分需求,保证籽粒产量,有效控制氮磷的径流流失,其中TFM模式的效果最佳。

关键词: 单季稻有机无机肥配施测土配方氮磷流失    
Abstract:

A field experiment with four typical fertilization models such as conventional fertilization (CF), conventional recommended fertilization (CRF), optimized soil testing for formulated fertilization (TF) and application of organic manure as a partial replacement for chemical fertilizers based on optimized soil testing for formulated fertilization (TFM) was conducted. The responses of single crop rice yield and runoff losses of nitrogen and phosphorus from paddy fields to different fertilization models were investigated. The results showed that the grain yield of the three improved fertilization models increased by 2.80%-3.63% compared with the conventional fertilization, and nitrogen and phosphorus contents in various parts of rice plants kept at the similar levels. The cumulative total nitrogen runoff losses of CRF, TF and TFM treatments decreased by 2.75%, 14.15% and 33.28%, respectively, and the cumulative total phosphorus runoff losses decreased by 19.02%, 21.31% and 29.51%, respectively. In general, three improved fertilization models can meet nitrogen and phosphorus needs of rice plants, increase grain yield, and control the runoff losses of nitrogen and phosphorus effectively, among which TFM is the best.

Key words: single crop rice    combined application of organic manure and chemical fertilizers    soil measurement and fertilizer formulation    nitrogen and phosphorus runoff losses
收稿日期: 2019-06-10 出版日期: 2020-05-22
CLC:  S 158.3  
基金资助: 国家水体污染控制与治理科技重大专项(2014ZX07101-012)
通讯作者: 倪吾钟     E-mail: 21614104@zju.edu.cn;wzni@zju.edu.cn
作者简介: 王新霞(https://orcid.org/0000-0001-9482-0736),E-mail:21614104@zju.edu.cn
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引用本文:

王新霞,王季丰,侯琼,王肖君,倪吾钟. 不同施肥模式对单季稻生长和氮磷流失的影响[J]. 浙江大学学报(农业与生命科学版), 2020, 46(2): 225-233.

Xinxia WANG,Jifeng WANG,Qiong HOU,Xiaojun WANG,Wuzhong NI. Effects of different fertilizing models on growth of single crop rice and nitrogen and phosphorus runoff losses. Journal of Zhejiang University (Agriculture and Life Sciences), 2020, 46(2): 225-233.

链接本文:

http://www.zjujournals.com/agr/CN/10.3785/j.issn.1008-9209.2019.06.101        http://www.zjujournals.com/agr/CN/Y2020/V46/I2/225

处理

Treatment

NP2O5K2O

化肥

Chemical

fertilizer

有机肥

Organic

fertilizer

总计

Total

化肥

Chemical

fertilizer

有机肥

Organic

fertilizer

总计

Total

化肥

Chemical

fertilizer

有机肥

Organic

fertilizer

总计

Total

CF30003001501501501200120
CRF2700270900901200120
TF2100210900901200120
TFM157.552.52100909096.523.5120
表1  水稻养分投入量 (kg/hm2)

处理

Treatment

秸秆

Straw

稻壳

Rice husk

糙米

Brown rice

籽粒产量

Grain yield

总计

Total

CF7 473.7b1 570.3c6 610.4a8 180.7b15 654.4b
CRF8 465.2a1 597.5bc6 832.0a8 429.5a16 894.7a
TF8 202.9ab1 634.7ab6 775.4a8 410.1a16 613.0a
TFM8 276.6a1 658.8a6 819.0a8 477.8a16 754.4a
表2  水稻各部位生物量 (kg/hm2)

处理

Treatment

w(氮) Nitrogen contentw(磷) Phosphorus content

秸秆

Straw

稻壳

Rice husk

糙米

Brown rice

秸秆

Straw

稻壳

Rice husk

糙米

Brown rice

CF10.97a6.34a15.24a2.45a1.25a4.53a
CRF10.47a5.98a15.61a2.15b1.06b4.49a
TF10.72a6.44a15.65a2.01b1.03b4.48a
TFM10.45a5.79a16.19a2.30ab1.09b4.43a
表3  水稻不同部位氮磷含量 (g/kg)

处理

Treatment

径流量 Runoff volume

累积量

Cumulant

07-0608-0311-0211-28
CF106.251.723.523.7205.1a
CRF104.149.324.524.3202.2a
TF104.948.522.824.1200.3a
TFM104.848.523.523.8200.6a
表4  稻田径流量 (m3/hm2)

处理

Treatment

ρ(总氮)

Total nitrogen concentration/(mg/L)

ρ(铵态氮)

NH4-N concentration/(mg/L)

ρ(硝态氮)

NO3-N concentration/(mg/L)

07-0608-0311-0211-2807-0608-0311-0211-2807-0608-0311-0211-28
CF23.75a2.82a2.71a3.64a12.48a0.65a0.12a0.20a2.35a0.65a1.29a1.37a
CRF23.74a2.56b2.40b3.44b12.23ab0.62a0.11b0.18b1.91b0.63a1.16b1.23b
TF20.72b2.40c2.35b3.07c10.81b0.64a0.09c0.18b1.88b0.63a1.13b0.91c
TFM15.77c2.26d2.15c2.73d7.64c0.57b0.07d0.12c1.89b0.62a1.04c0.74d

处理

Treatment

总氮流失量

Total nitrogen loss amount/(g/hm2)

铵态氮流失量

NH4-N loss amount/(g/hm2)

硝态氮流失量

NO3-N loss amount/(g/hm2)

07-0608-0311-0211-2807-0608-0311-0211-2807-0608-0311-0211-28
CF2 521.3a146.0a63.6a86.2a1 324.72a33.64a2.85a4.85a249.05a33.64a30.22a32.35a
CRF2 471.3a126.0b58.9b83.5a1 274.21ab30.48b2.67a4.33ab198.81b30.99ab28.34b29.76b
TF2 174.9b116.4bc53.4c73.8b1 135.20b31.15b2.04b4.24b196.96b30.47b25.81c21.83c
TFM1 654.1c109.8c50.7c64.9c801.85c27.82c1.56c2.97c198.42b30.24b24.38d17.58d
表5  不同施肥模式下稻田径流水氮素质量浓度及流失量

处理

Treatment

ρ(总磷)

Total phosphorus concentration/(mg/L)

ρ(无机磷)

Inorganic phosphorus concentration/(mg/L)

07-0608-0311-0211-2807-0608-0311-0211-28
CF0.38a0.18a0.23a0.23a0.259a0.064a0.014a0.014a
CRF0.31b0.16b0.19b0.18b0.206b0.052b0.011b0.010b
TF0.30b0.16b0.18b0.18b0.204b0.059ab0.011b0.011b
TFM0.25c0.16b0.18b0.18b0.155c0.060ab0.011b0.011b

处理

Treatment

总磷流失量

Total phosphorus loss amount/(g/hm2)

无机磷流失量

Inorganic phosphorus loss amount/(g/hm2)

07-0608-0311-0211-2807-0608-0311-0211-28
CF40.84a9.48a5.30a5.40a27.442a3.297a0.339a0.341a
CRF32.57b7.86b4.71b4.29b21.419b2.548b0.268b0.254b
TF31.68b7.91b4.14c4.29b21.446b2.863ab0.241b0.276b
TFM26.48c7.92b4.34bc4.29b16.265c2.917ab0.258b0.269b
表6  不同施肥模式下稻田径流水磷素质量浓度及流失量

处理

Treatment

氮素累积流失量

Nitrogen cumulative loss amount

磷素累积流失量

Phosphorus cumulative loss amount

总氮

Total nitrogen

铵态氮

NH4-N

硝态氮

NO3-N

总磷

Total phosphorus

无机磷

Inorganic phosphorus

CF2 817.0a1 366.1a345.3a61.0a31.4a
CRF2 739.6a1 311.7ab287.9b49.4b24.5b
TF2 418.4b1 172.6b275.1b48.0b24.8b
TFM1 879.5c834.2c270.6b43.0c19.7c
表7  不同施肥模式下氮磷累积流失量

径流水氮磷含量

N and P contents in

runoff water

土壤水溶性氮含量

Soil dissolved N content

土壤水溶性磷含量

Soil dissolved P content

铵态氮

NH4-N

硝态氮

NO3-N

总氮

Total nitrogen

无机磷

Inorganic phosphorus

总磷

Total phosphorus

铵态氮

NH4-N

0.709**

硝态氮

NO3-N

0.851**

总氮

Total nitrogen

0.983**

无机磷

Inorganic phosphorus

0.937**

总磷

Total phosphorus

0.639**
表8  径流水氮磷含量与土壤水溶性氮磷含量的相关性 (g/hm2)
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