绿肥与化肥配施对辣椒生长及养分吸收的影响  

Effect of Combined Application of Green Manure and Chemical Fertilizer on Growth and Nutrient Absorption of Chili

作　　者：刘琛希 车宗贤[1,2,3] 张久东 吴科生[2,3] 杨蕊菊 卢秉林[2,3] 包兴国 崔恒[2,3] LIU Chenxi;CHE Zongxian;ZHANG Jiudong;WU Kesheng;YANG Ruiju;LU Binglin;BAO Xingguo;CUI Heng(College of Resources and Environmental Sciences,Gansu Agricultural University,Lanzhou,Gansu 730070;Institute of Soil Fertilizer and Water Saving Agriculture,Gansu Academy of Agricultural Sciences,Lanzhou,Gansu 730070;Gansu Cultivated Land Conservation and Agricultural Environment Science Observation Experimental station,Ministry of agriculture,Lanzhou,Gansu 730070)

机构地区：[1]甘肃农业大学资源与环境学院,甘肃兰州730070 [2]甘肃省农业科学院土壤肥料与节水农业研究所,甘肃兰州730070 [3]农业部甘肃耕地保育与农业环境科学观测试验站,甘肃兰州730070

出　　处：《热带农业工程》2024年第1期85-91,共7页Tropical Agricultural Engineering

基　　金：国家现代农业绿肥产业技术体系(No.CARS-22-Z-16);河西走廊区耕地质量要素收集与扩展(No.2021FY100502-06)。

摘　　要：通过研究总养分量相等的绿肥与不同比例化肥配施对辣椒生长及养分吸收的影响,为绿肥化肥配施在实际生产中的高效应用提供理论依据。试验以‘美国红’辣椒为研究对象,共设置7个处理:不施肥处理(CK)、单施绿肥(G)、单施化肥(NPK)、绿肥+20%化肥(G+20%NPK)、绿肥+25%化肥(G+25%NPK)、绿肥+30%化肥(G+30%NPK)、绿肥+35%化肥(G+35%NPK)。通过盆栽试验,测定‘美国红’辣椒的生长性状、植株养分含量及土壤理化性状。结果发现,绿肥与不同比例化肥配施在一定程度上降低了土壤容重、均提高了辣椒植株长势与土壤养分的含量,其中G+25%NPK处理在植株生长性状,养分含量显著高于其他施肥处理,较NPK处理的水解氮、速效磷、速效钾分别提高了55.02%、26.90%、23.37%,有效增强了土壤肥力。因此G+25%NPK为最佳绿肥化肥配比。By studying the effects of green manure with equal total nutrients and different ratios of chemical fertilizers on the growth and nutrient absorption of chili,to provide a theoretical basis for the efficient application of green manure and chemical fertilizer in practical production.The experiment was conducted on'American Red'pepper,with seven treatments:such as no fertilization(CK),Single application of green manure(G),Single application of chemical fertilizer(NPK),Green manure+20%chemical fertilizer(G+20%NPK),Green manure+25%chemical fertilizer(G+25%NPK),Green manure+30%chemical fertilizer(G+30%NPK),Green manure+35%chemical fertilizer(G+35%NPK).The growth characteristics,plant nutrient content and soil physicochemical properties of"American Red"pepper were determined by pot experiment.The combined application of green manure and different proportions of chemical fertilizers reduced the soil bulk density to a certain extent,and both increased the growth of chili plants and the content of soil nutrients.The nutrient content of G+25%NPK treatment was significantly higher than that of other fertilization treatments,and the hydrolyzed nitrogen,available phosphorus and available potassium increased by 55.02%,26.90%and 23.37%respectively compared with NPK treatment,which enhanced the soil fertility.Therefore,G+25%NPK is the best green fertilizer ratio.

关 键 词：辣椒 绿肥 化肥 生长 养分 

分 类 号：S142[农业科学—肥料学] S153.6[农业科学—农业基础科学]