CAJ | 학술논문

1996年起在福建中亚热带红壤区开展山地果园套种平托花生Arachis pintoi cv.Amarillo、圆叶决明Chamaecrista rotundifolia cv.Fuyin NO.1试验,用于治理水土流失.为了科学评价土壤质量的变化,在治理11年后,分析土壤腐殖质及有机无机复合状况,结果表明:与对照(清耕)相比,套种平托花生、圆叶决明区土壤表层(0～15 cm)土壤重组有机碳含量可提高2.56和1.90 g/kg,亚表层(15～30 cm)重组有机碳含量的变化弱于表层.试验区土壤表层的原土复合度达83.09%～96.75%,高于亚表层(77.73%～92.14%).不同垦植方式比较,土壤表层、亚表层的原土复合度均呈清耕＞套种平托花生＞套种圆叶决明的变化趋势.不同套种牧草品种比较,在土壤表层、亚表层的原土有机碳、腐殖质有机碳、原土复合度方面,平托花生均有优于圆叶决明的表现,套种平托花生对表层土壤增值复合度为83.42%,比后者提高12.9%.
1996년기재복건중아열대홍양구개전산지과완투충평탁화생Arachis pintoi cv.Amarillo、원협결명Chamaecrista rotundifolia cv.Fuyin NO.1시험,용우치리수토류실.위료과학평개토양질량적변화,재치리11년후,분석토양부식질급유궤무궤복합상황,결과표명:여대조(청경)상비,투충평탁화생、원협결명구토양표층(0～15 cm)토양중조유궤탄함량가제고2.56화1.90 g/kg,아표층(15～30 cm)중조유궤탄함량적변화약우표층.시험구토양표층적원토복합도체83.09%～96.75%,고우아표층(77.73%～92.14%).불동은식방식비교,토양표층、아표층적원토복합도균정청경＞투충평탁화생＞투충원협결명적변화추세.불동투충목초품충비교,재토양표층、아표층적원토유궤탄、부식질유궤탄、원토복합도방면,평탁화생균유우우원협결명적표현,투충평탁화생대표층토양증치복합도위83.42%,비후자제고12.9%.
Archis pintoi cv. Amarillo and Chamaecrista rotundifolia cv. Fuyinn No.1 were interplanted in hilly orchard for water and soil conservation in subtropical red soil region in Fujian Province in 1996. The contents of humus organic carbon and the combining between organic matter and minerals were measured in 2007. The results showed that the humus organic carbon content in surface soil (0 to 15 cm) of treatments interplanted A. pintoi cv. Amarillo and C. rotundifolia cv. Fuyuan No. 1 were increased by 2.56 g/kg and 1.90 g/kg respectively compared with the control (clean tillage). But the change of humus organic carbon content in sub-surface soil (15 to 30 cm) was weaker than surface soil. The combining degree of original soil in surface was 83.09% to 96.75%, higher than that in subsurface (77.73% to 92.14%). And the increased combing degree in surface soil of interplanting treatments was 70.52% to 83.42%. Among different treatments and control, the order of combining degree was clean tillage > interplanting A. pintoi cv. Amarillo > interplanting C. rotundifolia cv. Fuyuan No. 1. The treatment of interplanting A. pintoi cv. Amarillo showed better performance than C. rotundifolia cv. Fuyuan No. 1, and the increased combing degree was 83.42% which was 12.9% more than latter.