【摘要】 贵州省微量元素肥料区划是贵州省肥料区划的组成部分。该区划以贵州省农业区划为基础,分析了省内各地的846个耕地土样的6种有效态微量元素含量,参考中科院南京土壤所拟定的土壤微素的丰缺指标并结合省内多点田间试验结果,将贵州省划为6个一级区,即黔中增施硼锌补施钼肥区,黔北增施硼锌钩肥区,黔东北重施硼肥增锌补钼锰区,黔东南重施硼肥增钼补锌区,黔西南重施硼肥增锌补钼区,黔西北增施硼锌钼补锰区。更多还原

【Abstract】 The Guizhou Provincial Zoning of Trace Fertilizers is a part of the Gui-zhou Provincial Zoning of Fertilizer on the basis of the Guizhou Provincial Agricultural Zoning analysed the available contents of 6 trace elements of 846 soil samples collected from various regions of Guizhou, consulted the surplus and deficiency critical indexes of the trace elements drawn up by Naniing Institute of Soil Science, Academia Sinica,and referd to the results of the field tests at various places in the Province, the Trace Fertilizer Zoning divided the Guizhon Province into 6 first-grade regions: the Central Guizhou Region in which the application of the boric and zinc fertilizers should be increased and the application of molybdenum fertilizer should be supplied appropriately the Northern Guizhou Region in which the application of boric, zinc and molybdenum fertilizers should be increased;the North-Eastern Guizhou Region in which the application of boric fertilizer should be obviously increased, that of zinc fertilizer should be increased and that of molybdenum and manganese fertilizers should be supplied appropriately;the South-Eastern Guizhou Region in which the application of toric fectilizer should te obviously increased, that of molybdenum fertilizer should be increased and that of zinc-fertilizer should be supplied appropriately;the South-Western Guizhou Region in which the application of boric fertilizer should be obviously increased,that of zinc fertilizer should be increaced and that of molybdenum fertilizer should be supplied appropriately;the North-Western Guizhou Region in which the application of boric,zinc and molybdenum fertilizers should be increased and that of manganese fertizer should be supplied appropraitely.更多还原