摘要
对我省丘陵山地溪蜜柚果园进行自然生草覆盖和清耕处理对比试验。2年后试验结果表明:自然生草覆盖与清耕处理相比较,0-20 cm、20-40 cm土层的有机质含量分别提高0.9和0.4 g.kg-1;0-20 cm土层的碱解氮、速效磷、速效钾含量分别提高了5、3.5、8 mg.kg-1,20-40 cm土层分别提高了3、0.8、4 mg.kg-1;0-20 cm土层全N、全P、全K含量分别提高0.03、0.04、0.02 g.kg-1。且公顷产量提高8%左右,果农每公顷增收节支4500元左右。
Natural grass mulch treatment was compared with the traditional clean cultivation in the arid pomelo orchard. Two years later the result showed that the contents of organic matter, available nitrogen, phosphorus, potassium in 0 -40 cm soil layer and the whole nutrients in 0 - 20 cm soil layer were improved in the treatment of natural grass mulch. In addition, the benefit was increased 4500 yuan per hectare.
出处
《亚热带农业研究》
2005年第4期45-48,共4页
Subtropical Agriculture Research
基金
福建省农科教结合项目(闽财指[2003]351号)
