不同质地土壤对花生根系生长、分布和产量的影响

贾立华,赵长星,王月福,王铭伦

Effects of different soil textures on the growth and distribution of root system and yield in peanut

JIA Li-Hua,ZHAO Chang-Xing,WANG Yue-Fu,WANG Ming-Lun

表1 土壤颗粒组成和基础养分含量

Table 1 Tested soil mechanical composition and basic nutrient content

土壤质地 Soil texture	土壤颗粒组成 Composition of soil particles (%)			pH	有机质 Organic matter (%)	碱解氮 Available nitrogen (mg·kg^-1)	速效磷 Available phosphorus (mg·kg^-1)	速效钾 Available potassium (mg·kg^-1)
土壤质地 Soil texture	<0.001 mm	0.05-0.01 mm	0.05-1.0 mm	pH	有机质 Organic matter (%)	碱解氮 Available nitrogen (mg·kg^-1)	速效磷 Available phosphorus (mg·kg^-1)	速效钾 Available potassium (mg·kg^-1)
砂土 Sandy soil	9	26	65	6.01	7.59	55.10	8.67	50.05
壤土 Loam soil	19	58	23	6.11	13.26	66.76	10.11	77.00
黏土 Clay soil	45	46	9	5.93	19.73	91.45	9.65	89.20