旱地糜子生长、产量及土壤环境对不同覆膜种植方式的响应

张晓娟, 张尚沛, 程炳文, 罗世武, 王勇, 杨军学, 王晓军

Responses of Broomcorn Prosomillet Growth, Yield and Soil Environment to Different Film-Mulching Planting Patterns in Dryland

Zhang Xiaojuan, Zhang Shangpei, Cheng Bingwen, Luo Shiwu, Wang Yong, Yang Junxue, Wang Xiaojun

表3 不同处理下糜子地土壤有机碳、全氮、全磷含量及酶活性

Table 3 The contents of soil organic carbon, total N, total P and enzyme activities of prosomillet under different treatments

处理 Treatment 土层深度 Soil depth (cm) 土壤养分Soil nutrient (g/kg) 酶活性Enzyme activity 有机碳 Organic carbon 全氮 Total N 全磷 Total P 过氧化氢酶 Catalase [mg/(g·min)] 脲酶 Urease [mg/(g·24h)] 蔗糖酶 Invertase [mg/(g·24h)] CK 0~10 5.55B 0.62B 0.67B 0.36B 0.269B 24.67B 10~20 6.21A 0.72A 0.69A 0.36B 0.311A 33.22A 20~40 4.35C 0.58C 0.60D 0.36B 0.270C 21.78C 40~60 3.23D 0.47D 0.56F 0.37A 0.212E 20.39D 60~80 2.37E 0.25E 0.57E 0.35C 0.216D 1.82F 80~100 2.21F 0.30F 0.61C 0.36B 0.102F 1.86E 平均Mean 3.61 0.45 0.61 0.36 0.230 14.96 RM 0~10 5.95B 0.76A 0.71B 0.38A 0.290B 25.64B 10~20 6.78A 0.76A 0.72A 0.37B 0.324A 42.15A 20~40 4.27C 0.62B 0.62E 0.36C 0.250D 10.26C 40~60 3.08D 0.49C 0.58F 0.35D 0.256C 2.16E 60~80 2.20E 0.33D 0.68C 0.34E 0.169E 1.36F 80~100 2.06F 0.28E 0.66D 0.32F 0.161F 2.17D 平均Mean 3.59 0.50 0.65 0.35 0.242 9.97 FM 0~10 6.49A 0.77B 0.72A 0.37A 0.299B 35.92A 10~20 5.99B 0.79A 0.72A 0.37A 0.359A 26.45B 20~40 4.76C 0.76C 0.63B 0.36B 0.266D 11.59C 40~60 3.14D 0.51D 0.62C 0.37A 0.285C 1.79D 60~80 2.45F 0.39E 0.56D 0.37A 0.202F 1.57E 80~100 2.97E 0.30F 0.63B 0.37A 0.252E 1.12F 平均Mean 3.91 0.55 0.63 0.37 0.277 9.45 RFM 0~10 4.92C 0.65C 0.67C 0.35C 0.319B 22.81B 10~20 5.61A 0.70A 0.71A 0.36B 0.337A 27.38A 20~40 5.02B 0.67B 0.69B 0.38A 0.283C 15.35C 40~60 2.75D 0.49D 0.60D 0.36B 0.196E 1.74E 60~80 2.33E 0.35E 0.59E 0.36B 0.187F 0.99F 80~100 1.95F 0.33F 0.59E 0.33D 0.219D 2.54D 平均Mean 3.46 0.50 0.63 0.36 0.257 9.15