[Objectives]The purpose of this study was to provide technical support for high-yield cultivation of major crops in Burundi,thereby increasing local farmers'income and promoting sustainable development of agricult...[Objectives]The purpose of this study was to provide technical support for high-yield cultivation of major crops in Burundi,thereby increasing local farmers'income and promoting sustainable development of agriculture in Burundi.[Methods]In the IMBO and MOSO test stations of the Burundi Academy of Agricultural Sciences and the Burundi Fruit and Vegetable Extension and Service Center,soil testing and formulated fertilization test and demonstration was carried out in rice,maize and cabbage.The test set up three treatments,soil testing and formulated fertilization(STFF),local routine fertilization(RF)and non-fertilization(CK)to investigate the effects of soil testing and formulated fertilization on the yield and economic benefit of the crops.[Results]In the plot test,the yield and net economic benefit of rice,maize and cabbage were both highest in the STFF treatment.Compared with those in the RF treatment,the yield of rice,maize and cabbage increased by 19.0%,25.7%and 33.0%,respectively,and the net economic benefit increased by 4292,2837 and 8232 yuan/ha,respectively.In the field test,the yield and net economic benefit of rice,maize and cabbage were also both highest in the STFF treatment.The yield increased by 18.1%,24.3%and 25.9%,respectively,and the net economic benefit increased by 4142,2881 and 8665 yuan/ha,respectively compared with those in the RF treatment.[Conclusions]Soil testing and formulated fertilization not only increased rice,maize and cabbage yield per unit area,but also increased farmers'income in Burundi.It is one of the important technical measures to promote the increase of agricultural production and income in Burundi.展开更多
为解决山区无移动网络或移动网络费用较高等现实问题,利用JDK、Eclipse、ArcGIS for Android等工具,运用ArcGIS离线地图实现原理,开发包含作物施肥推荐、土壤养分查询、测土配方施肥技术知识与视频查看等应用功能的Android智能手机测土...为解决山区无移动网络或移动网络费用较高等现实问题,利用JDK、Eclipse、ArcGIS for Android等工具,运用ArcGIS离线地图实现原理,开发包含作物施肥推荐、土壤养分查询、测土配方施肥技术知识与视频查看等应用功能的Android智能手机测土配方施肥离线查询系统。该系统的推广应用效果明显,具有便捷性、易用性及成本相对较低等特点。展开更多
土壤有机质含量是影响土壤肥力水平的重要指标,也是开展耕地质量建设、科学施肥工作的基础。利用2005—2014年测土配方施肥项目数据与全国第二次土壤普查数据进行对比,分析了近30年来中国农田耕层土壤有机质的变化趋势。结果显示,30年...土壤有机质含量是影响土壤肥力水平的重要指标,也是开展耕地质量建设、科学施肥工作的基础。利用2005—2014年测土配方施肥项目数据与全国第二次土壤普查数据进行对比,分析了近30年来中国农田耕层土壤有机质的变化趋势。结果显示,30年来我国农田耕层土壤有机质含量呈整体上升趋势,目前,全国耕层土壤有机质平均含量为24.65 g kg^(-1),较全国第二次土壤普查时期提高4.85 g kg^(-1),提高24.49%。其中,30~40 g kg^(-1)等级比例增加3.64个百分点,20~30 g kg^(-1)等级比例增加5.68个百分点,10~20 g kg^(-1)等级比例增加5.36个百分点。需要引起注意的是,大于40 g kg^(-1)等级比例减少了1.38个百分点。展开更多
基金Special Scientific and Technological Assistance Program of Ministry of Science and Technology of the People's Republic of China to Developing Countries(Demonstration and Popularization of Key Technologies for Increasing Grain Yield in Africa)Scientific Research and Technology Development Plan Project of Guangxi Zhuang Autonomous Region,China(Gui Ke He 1346009-4,Gui Ke He 14125007-2-7).
文摘[Objectives]The purpose of this study was to provide technical support for high-yield cultivation of major crops in Burundi,thereby increasing local farmers'income and promoting sustainable development of agriculture in Burundi.[Methods]In the IMBO and MOSO test stations of the Burundi Academy of Agricultural Sciences and the Burundi Fruit and Vegetable Extension and Service Center,soil testing and formulated fertilization test and demonstration was carried out in rice,maize and cabbage.The test set up three treatments,soil testing and formulated fertilization(STFF),local routine fertilization(RF)and non-fertilization(CK)to investigate the effects of soil testing and formulated fertilization on the yield and economic benefit of the crops.[Results]In the plot test,the yield and net economic benefit of rice,maize and cabbage were both highest in the STFF treatment.Compared with those in the RF treatment,the yield of rice,maize and cabbage increased by 19.0%,25.7%and 33.0%,respectively,and the net economic benefit increased by 4292,2837 and 8232 yuan/ha,respectively.In the field test,the yield and net economic benefit of rice,maize and cabbage were also both highest in the STFF treatment.The yield increased by 18.1%,24.3%and 25.9%,respectively,and the net economic benefit increased by 4142,2881 and 8665 yuan/ha,respectively compared with those in the RF treatment.[Conclusions]Soil testing and formulated fertilization not only increased rice,maize and cabbage yield per unit area,but also increased farmers'income in Burundi.It is one of the important technical measures to promote the increase of agricultural production and income in Burundi.
文摘为解决山区无移动网络或移动网络费用较高等现实问题,利用JDK、Eclipse、ArcGIS for Android等工具,运用ArcGIS离线地图实现原理,开发包含作物施肥推荐、土壤养分查询、测土配方施肥技术知识与视频查看等应用功能的Android智能手机测土配方施肥离线查询系统。该系统的推广应用效果明显,具有便捷性、易用性及成本相对较低等特点。
文摘土壤有机质含量是影响土壤肥力水平的重要指标,也是开展耕地质量建设、科学施肥工作的基础。利用2005—2014年测土配方施肥项目数据与全国第二次土壤普查数据进行对比,分析了近30年来中国农田耕层土壤有机质的变化趋势。结果显示,30年来我国农田耕层土壤有机质含量呈整体上升趋势,目前,全国耕层土壤有机质平均含量为24.65 g kg^(-1),较全国第二次土壤普查时期提高4.85 g kg^(-1),提高24.49%。其中,30~40 g kg^(-1)等级比例增加3.64个百分点,20~30 g kg^(-1)等级比例增加5.68个百分点,10~20 g kg^(-1)等级比例增加5.36个百分点。需要引起注意的是,大于40 g kg^(-1)等级比例减少了1.38个百分点。
