不同耕作处理对土壤微生物、酶活性及养分的影响

黄炳林,王孟雪,金喜军,胡国华,张玉先

Effects of Different Tillage Treatments on Soil Microorganisms, Enzyme Activities and Nutrients

Binglin Huang,Mengxue Wang,Xijun Jin,Guohua Hu,Yuxian Zhang

表2 不同耕作措施对土壤养分的影响

Table 2 Effects of different tillage measures on soil nutrients

处理 Treatment 有机质含量(g/kg) Organic matter content 碱解氮含量(mg/kg) Available nitrogen content 速效磷含量(mg/kg) Available phosphorus content 速效钾含量(mg/kg) Available potassium content PT1 20.65±3.25b 143.83±1.48b 22.79±0.38b 157.50±4.18d PT2 21.96±1.49b 151.13±1.96a 29.37±0.10a 173.63±1.10b PT3 21.59±1.81b 142.75±3.66b 21.29±1.49bc 158.23±2.76d PCK 21.59±3.10b 134.81±4.19c 22.40±3.48b 160.23±2.68d RT1 23.65±1.49b 141.68±2.57b 18.14±0.19d 171.13±1.15b RT2 28.72±1.12a 152.62±1.70a 19.19±0.57cd 190.53±0.97a RT3 22.34±1.97b 145.30±2.07b 17.98±0.67d 187.73±1.70a RCK 23.28±0.32b 132.66±2.23c 17.53±0.59d 164.50±0.62c