冷凉地区不同秸秆还田量对土壤营养的影响
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摘要
2016年至2018年在青海省西宁市湟中县良种繁殖场进行单因素随机区组设计秸秆还田试验。研究不同秸秆还田量对土壤营养的影响。结果表明:在每公顷秸秆还田量24750kg以下时,随着秸秆量的增多,前期腐熟速率也在增快,但最终秸秆剩余量基本相同;秸秆还田量对土壤营养指标(有机质、全N、全P_2O_5、全K_2O、碱解N、有效P、速效K、pH、下茬作物蚕豆的产量)都有不同程度的影响,随着秸秆还田量的增加,土壤pH逐渐下降,并且下降程度先增大后基本不变;随着秸秆量的增加,下茬作物蚕豆的产量、土壤的有机质、全N、全P_2O_5、全K_2O、碱解N、有效P、速效K都有不同程度的提高。秸秆还田能够改善土壤营养条件。
From 2016 to 2018,a single factor stochastic area was designed to design straw returning field in Huangzhong County,Xining City,Qinghai Province.The effects of different straw returning to field on soil nutrition were studied. The results showed that when the amount of straw per hectare was less than 24750 kg,the early rotting rate increased rapidly with the increase of straw volume,but the final amount of straw was basically the same,and the amount of straw returning to the field was the same as that of soil nutrition index(organic matter,total N,total P_2O_5,full K_2O,alkaline solution N,effective P,pH,The yield of broad bean of lower stubble crops) has different degrees of influence,with the increase of straw returning to the field,the soil pH decreases gradually,and the degree of decline increases first and then remains basically unchanged,and with the increase of straw volume,the yield of broad bean,soil organic matter,total N,whole P_2O_5,whole K_2O,alkaline solution N,effective P,The quick-impact K has been improved to varying degrees. Straw returning to the field can improve soil nutritional conditions.
From 2016 to 2018,a single factor stochastic area was designed to design straw returning field in Huangzhong County,Xining City,Qinghai Province.The effects of different straw returning to field on soil nutrition were studied. The results showed that when the amount of straw per hectare was less than 24750 kg,the early rotting rate increased rapidly with the increase of straw volume,but the final amount of straw was basically the same,and the amount of straw returning to the field was the same as that of soil nutrition index(organic matter,total N,total P_2O_5,full K_2O,alkaline solution N,effective P,pH,The yield of broad bean of lower stubble crops) has different degrees of influence,with the increase of straw returning to the field,the soil pH decreases gradually,and the degree of decline increases first and then remains basically unchanged,and with the increase of straw volume,the yield of broad bean,soil organic matter,total N,whole P_2O_5,whole K_2O,alkaline solution N,effective P,The quick-impact K has been improved to varying degrees. Straw returning to the field can improve soil nutritional conditions.
引文
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[10]余龙生.浅谈潜山县秸秆还田工作[J].农业开发与装备,2017,(6):37.
[11]张兴好.试析农作物秸秆还田技术的推广对策[J].农民致富之友,2017,(6):174.
[12]张静,温晓霞,廖允成等.不同玉米秸秆还田量对土壤肥力及冬小麦产量的影响[J].植物营养与肥料学报,2010,16(3):612-619.
[13]岑昭仁,王勤.秸秆还田对土壤化学性质的影响[J].宁夏农林科技,1988,(2):1-4.
[14]李勇,曹红娣,储亚云等.麦秆还田氮肥运筹对水稻产量及土壤氮素供应的影响[J].土壤,2010,42(4):569-573.
[2]Amaya N,Medero N,Tancredi N,et al.Activated carbon briquettes from biomass materials[J].Bioresource Technology,2007,98(8):1635-1641.
[3]Ikeuchi T,Azuma M,Kato J,et al.Screening of microorganisms for xylitol production and fermentation behavior in high concentrations of xylose[J].Biomass and Bioenergy,1999,16(5):333-339.
[4]王宁堂,王军利,李建国.农作物秸秆综合利用现状、途径及对策[J].陕西农业科学,2007,(2):112-115.
[5]田丰.浅析青海地区的秸秆还田[J].青海农林科技,2017,(4):50-52.
[6]胡乃娟,韩新忠,杨敏芳,张政文,卞新民,朱利群.秸秆还田对稻麦轮作农田活性有机碳组分含量、酶活性及产量的短期效应[J].植物营养与肥料,2015,21(2):371-377.
[7]张彬,何红波,白震,刘宁,丁雪丽,解宏图,张旭东.保护性耕作对土壤微生物特性和酶活性的影响[J].土壤通报,2010,41(1):230-236.
[8]李升东,王法宏,司纪升,孔令安,刘建军,冯波,张宾.耕作方式对土壤微生物和土壤肥力的影响[J].生态环境学报,2009,18(5):1961-1964.
[9]劳秀荣,孙伟红,王真等.秸秆还田与化肥配合施用对土壤肥力的影响[J].土壤学报,2003,40(4):618-623.
[10]余龙生.浅谈潜山县秸秆还田工作[J].农业开发与装备,2017,(6):37.
[11]张兴好.试析农作物秸秆还田技术的推广对策[J].农民致富之友,2017,(6):174.
[12]张静,温晓霞,廖允成等.不同玉米秸秆还田量对土壤肥力及冬小麦产量的影响[J].植物营养与肥料学报,2010,16(3):612-619.
[13]岑昭仁,王勤.秸秆还田对土壤化学性质的影响[J].宁夏农林科技,1988,(2):1-4.
[14]李勇,曹红娣,储亚云等.麦秆还田氮肥运筹对水稻产量及土壤氮素供应的影响[J].土壤,2010,42(4):569-573.