1 材料与方法
1.1 材料
1.2 方法
1.3 数据处理
2 结果与分析
2.1 不同堆沤处理对咖啡果皮养分含量的影响
表1 不同堆沤处理下咖啡果皮养分含量Tab. 1 Coffee peel nutrient content under different treatments |
| 养分含量 Nutrient contents | 粉碎果皮+酶 Shattered coffee peel rotted with enzymes | 果皮 Coffee peel | 粉碎果皮 Shattered coffee peel | 果皮+酶 Coffee peel rotted with enzymes |
|---|---|---|---|---|
| 有机质/% | 85.23±3.37b | 92.54±4.82a | 90.66±3.98a | 86.47±4.91ab |
| 全氮/(mg·g-1) | 15.17±0.26a | 15.15±1.44a | 14.75±0.50a | 13.31±0.98a |
| 速效磷/(mg·g-1) | 4.18±0.30b | 4.77±0.37a | 4.80±0.30a | 4.07±0.15b |
| 速效钾/(mg·g-1) | 46.45±4.62a | 49.99±4.16a | 47.57±2.98a | 46.43±5.41a |
| 钙/(mg·g-1) | 10.32±0.73a | 11.92±1.37a | 10.66±0.66a | 9.45±0.81a |
| 镁/(mg·g-1) | 10.70±1.00a | 10.55±1.83a | 9.93±0.45a | 10.85±0.66a |
| 锰/(mg·g-1) | 0.90±0.14a | 0.87±0.07a | 0.98±0.01a | 1.07±0.29a |
| 铜/(mg·g-1) | 0.136±0.007a | 0.129±0.001b | 0.135±0.003a | 0.107±0.009c |
| 锌/(mg·g-1) | 0.230±0.008a | 0.190±0.004b | 0.250±0.016a | 0.220±0.027a |
| 铁/(mg·g-1) | 9.10±0.28b | 9.46±0.08a | 8.96±0.15b | 8.95±0.42b |
Note: Shattered coffee peel treated with enzymes: Shattered coffee peel with cellulase and pectinase; Coffee peel: Coffee peel without enzymes; Shattered coffee peel: Shattered coffee peel without enzymes; Coffee peel with enzymes: Coffee peel with cellulase and pectinase. Data were expressed as mean±standard deviation (n=3). Different lowercase letters indicate significant difference between treatments (P<0.05). | |
注:粉碎果皮+酶:果皮粉碎后添加纤维素酶和果胶酶堆沤腐熟;果皮:果皮直接堆沤腐熟;粉碎果皮:果皮粉碎后直接堆沤腐熟;果皮+酶:果皮添加纤维素酶和果胶酶堆沤腐熟。图中数据为3个重复的平均值±标准偏差,不同小写字母表示不同处理间差异显著(P<0.05)。 |
2.2 施用堆沤腐熟果皮对咖啡植株生物量的影响
图1 施用不同腐熟咖啡果皮下的咖啡植株生物量对照:不施用果皮;粉碎果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟后的粉碎果皮;果皮:施用5%腐熟果皮;粉碎果皮:施用5%腐熟的粉碎果皮;果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟的果皮。不同小写字母表示不同处理间差异显著(P<0.05)。 Fig. 1 Coffee plant biomass production under different treatments CK: Soil untreated; Shattered coffee peel rotted with enzymes: Application of 5% shattered coffee peel with cellulase and pectinase; Coffee peel: Application of 5% treated coffee peel; Shattered coffee peel: Application of 5% treated shattered coffee peel; Coffee peel rotted with enzymes: Application of 5% coffee peel treated with cellulase and pectinase. Different lowercase letters indicate significant difference between treatments (P<0.05). |
2.3 施用堆沤腐熟咖啡果皮对咖啡植株根系生长参数的影响
图2 施用不同腐熟咖啡果皮下的咖啡植株根系生长参数对照:不施用果皮;粉碎果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟后的粉碎果皮;果皮:施用5%腐熟果皮;粉碎果皮:施用5%腐熟的粉碎果皮;果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟的果皮。不同小写字母表示不同处理间差异显著(P<0.05)。 Fig. 2 Root growth parameters of coffee plant under different treatments CK: Control (soil untreated); Shattered coffee peel rotted with enzymes: Application of 5% shattered coffee peel with cellulase and pectinase; Coffee peel: Application of 5% treated coffee peel; Shattered coffee peel: Application of 5% treated shattered coffee peel; Coffee peel rotted with enzymes: Application of 5% coffee peel treated with cellulase and pectinase. Different lowercase letters indicate significant difference between treatments (P<0.05). |
2.4 施用果皮对咖啡植株光合特性的影响
图3 施用不同腐熟咖啡果皮下的咖啡植株光合特性对照:不施用果皮;粉碎果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟后的粉碎果皮;果皮:施用5%腐熟果皮;粉碎果皮:施用5%腐熟的粉碎果皮;果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟的果皮。不同小写字母表示不同处理间差异显著(P<0.05)。 Fig. 3 Photosynthetic characteristics of coffee plant under different treatments CK: Control (soil untreated); Shattered coffee peel rotted with enzymes: Application of 5% shattered coffee peel with cellulase and pectinase; Coffee peel: Application of 5% treated coffee peel; Shattered coffee peel: Application of 5% treated shattered coffee peel; Coffee peel rotted with enzymes: Application of 5% coffee peel treated with cellulase and pectinase. Different lowercase letters indicate significant difference between treatments (P<0.05). |
2.5 施用果皮对咖啡植株叶片叶绿素含量和氮平衡指数的影响
图4 施用不同腐熟咖啡果皮下的咖啡叶片叶绿素含量和氮平衡指数对照:不施用果皮;粉碎果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟后的粉碎果皮;果皮:施用5%腐熟果皮;粉碎果皮:施用5%腐熟的粉碎果皮;果皮+酶:施用5%经纤维素酶和果胶酶分解腐熟的果皮。不同小写字母表示不同处理间差异显著(P<0.05)。 Fig. 4 Chlorophyll content and nitrogen balance index of coffee plants under different treatments CK: Control (soil untreated); Shattered coffee peel rotted with enzymes: Application of 5% shattered coffee peel with cellulase and pectinase; Coffee peel: Application of 5% treated coffee peel; Shattered coffee peel: Application of 5% treated shattered coffee peel; Coffee peel rotted with enzymes: Application of 5% coffee peel treated with cellulase and pectinase. Different lowercase letters indicate significant difference between treatments (P<0.05). |
