关键词: 花生, 产区, 土壤养分状况, 施肥建议, 河南省

Abstract: To fully understand the soil nutrient status in peanut production areas of Henan Province，a total of 122 soil samples were collected from four typical peanut planting areas(Zhengyang County in south ern Henan，Fangcheng County in southwestern Henan，Minquan County in eastern Henan，Qingfeng Coun ty in northern Henan) ，and their pH value and organic matter(OM) ，total nitrogen(TN) ，available phos phorus(aP) ，available potassium(aK) ，available sulfur(aS) ，available iron(aFe) and available zinc (aZn) contents were compared and evaluated.The results showed that，the average of SOM content in the Henan Province production area was 15.61 g/kg，and 92.62% of soils were at the deficiency level; the averages of TN，aK，aS contents were 1.01 g/kg，120.48 mg/kg，35.60 mg/kg，respectively，and there were 45.08%，36.07%，50.00% soils at the TN，aK，aS deficiency level，respectively; the averages of aP，aFe，aZn contents were 37.92，90.58，1.16 mg/kg，respectively，and there were 7.38%，1.64%， 0.82% soils at the aP，aFe deficiency level． For different production areas，soils in the southern and southwestern production areas of Henan were acidic and weakly acidic respectively and the soils in the northern and eastern production areas of Henan were alkaline; the OM and TN contents of four production areas were all low，and their contents in southern，eastern and southwestern production areas of Henan were higher than that of northern production area.The soil aP and aFe contents of each production area were mainly at the upper-middle level，which were higher in the southern and southwest production areas of Henan than in eastern and northern production areas． The soil aK content of each production area was mainly at the lower-middle level，which was the highest in the eastern production area of Henan and the lowest in the northern production area of Henan; the soil aS content was the highest in southern production area of Henan，but was deficient in other three production areas． The order of soil aZn contents of four pro duction areas was eastern production area＞southwestern production area＞northern production area＞southern production area.Therefore，in the peanut production area of Henan Province，people should in crease the application of organic fertilizer and potash fertilizer，strictly control the application rate of phos phate fertilizer，and carry out targeted fertilization according to different regions，add the application rate of Zn fertilizer in the southern production area of Henan，and increase the application rate of S fertilizer in the eastern，northern and southwest production areas of Henan．

Key words:  Peanut, Production area, Status of soil nutrient, Fertilization suggestion, Henan Province