水稻红螯螯虾综合种养模式对土壤肥力的影响  

Effects of Integrated Cultivation Mode of Rice Cherax quadricarinatus on Soil Fertility

作　　者：王凯 潘凌洁 徐志豪 李佳丹 张弦 詹柴 WANG Kai;PAN Ling-jie;XU Zhi-hao(Ningbo Agricultural Science Research Institute,Ningbo,Zhejiang 315040;Ningbo Haishu District Agricultural Technology Management Service Station,Ningbo,Zhejiang 315153)

机构地区：[1]宁波市农业科学研究院,浙江宁波315040 [2]宁波市海曙区农业技术管理服务站,浙江宁波315153

出　　处：《安徽农业科学》2025年第1期94-97,共4页Journal of Anhui Agricultural Sciences

基　　金：宁波市公益类科技计划重点项目(2021S002)。

摘　　要：为探明水稻和红螯螯虾综合种养模式对土壤肥力的影响,选择浙江省宁波市集士港镇的2块试验田,跟踪分析2块试验田在稻虾共作之前及共作1年、2年、3年的土壤肥力变化情况。结果表明,在现行操作模式下,随着种养年限的增加,1号试验田土壤pH较之前提高了33.01%,有效磷含量提高了330.18%,速效钾含量增加了30.91%,阳离子交换量增加了29.92%;土壤有机质含量降低了32.64%,全氮含量降低了33.05%,水解性氮含量降低了39.24%;总体上,pH、有效磷含量、全氮含量、水解性氮含量、有机质含量的变化较为明显,速效钾含量、阳离子交换量变化不显著;2号试验田与1号试验田显示结果基本一致,但在显著性方面差于1号基地。现行的水稻和红螯螯虾综合种养模式有利于提升土壤pH、有效磷含量、速效钾含量及阳离子交换量,但可能会导致有机质、全氮、水解性氮含量的下降,在后续推广过程中应对操作细则进行进一步的优化调整。In order to investigate the effects of the integrated cultivation mode of rice Cherax quadricarinatus on soil fertility,two experimental fields were selected in Jishigang Town,Ningbo City,Zhejiang Province,and the soil fertility changes of the two experimental fields were tracked before and after 1 year,2 years and 3 years of rice and shrimp co-cropping.The results showed that under the current operation mode,with the increase of planting years,the change of soil pH,available phosphorus,available potassium and cation exchange capacity increased by 33.01%,330.18%,30.91%and 29.92%respectively.Soil organic matter decreased by 32.64%,total nitrogen decreased by 33.05%and hydrolyzed nitrogen decreased by 39.24%.On the whole,the changes of pH,available phosphorus,total nitrogen,hydrolyzed nitrogen and organic matter were significant,but the changes of available potassium and cation exchange capacity were not significant.The results of test field No.2 and test field No.1 were basically the same,but the significance was less than that of test field No.1.The current integrated cultivation mode of rice Cherax quadricarinatus was conducive to improving soil pH,available phosphorus,available potassium and cation exchange capacity,but may lead to the decline of organic matter,total nitrogen and hydrolyzed nitrogen.The operation rules should be further optimized and adjusted in the subsequent promotion process.

关 键 词：水稻 红螯螯虾 综合种养 共作 土壤肥力 

分 类 号：S158[农业科学—土壤学]