Chinese Journal of Tropical Crops ›› 2019, Vol. 40 ›› Issue (5): 839-849.DOI: 10.3969/j.issn.1000-2561.2019.05.002
• Crop Culture and Nutrition, Genetic Breeding • Previous Articles Next Articles
TAN Shibei,XI Jingen(),ZHENG Jinlong,HE Chunping,WU Weihuai,LIANG Yanqiong,HUANG Xing,LI Rui,YI Kexian(
)
Received:
2018-06-01
Revised:
2018-10-14
Online:
2019-05-25
Published:
2019-05-31
Contact:
Jingen XI,Kexian YI
CLC Number:
TAN Shibei,XI Jingen,ZHENG Jinlong,HE Chunping,WU Weihuai,LIANG Yanqiong,HUANG Xing,LI Rui,YI Kexian. Effects of Sisal Stalks Returned to the Field with Nitrogen Fertilizer on the Soil Fertility and Sisal Growth[J]. Chinese Journal of Tropical Crops, 2019, 40(5): 839-849.
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部位 Parts | 含水率 Water ratio/% | 全碳 Total C /(g?kg-1) | 全氮 Total N /(g?kg-1) | 全磷 Total P /(g?kg-1) | 全钾 Total K /(g?kg-1) |
---|---|---|---|---|---|
茎部 Stalks | 65.3 | 558.5 | 6.7 | 0.9 | 1.8 |
鲜叶基 Fresh leaves base | 74.0 | 349.6 | 2.4 | 0.7 | 2.1 |
Tab. 1 Nutrient content of sisal stalks
部位 Parts | 含水率 Water ratio/% | 全碳 Total C /(g?kg-1) | 全氮 Total N /(g?kg-1) | 全磷 Total P /(g?kg-1) | 全钾 Total K /(g?kg-1) |
---|---|---|---|---|---|
茎部 Stalks | 65.3 | 558.5 | 6.7 | 0.9 | 1.8 |
鲜叶基 Fresh leaves base | 74.0 | 349.6 | 2.4 | 0.7 | 2.1 |
处理Treatments | 方法Methods |
---|---|
N0 | 不施尿素+不加麻茎 No urea+no sisal stalks |
N1 | 单施全量尿素 Full urea |
St | 单加麻茎 Sisal stalks |
St+N1/4 | 麻茎配施1/4用量尿素 Sisal stalks combining 1/4 urea |
St+N1/2 | 麻茎配施1/2用量尿素 Sisal stalks combining 1/2 urea |
St+N1 | 麻茎配施全量尿素 Sisal stalks combining full urea |
Tab. 2 Treatments and methods of the test
处理Treatments | 方法Methods |
---|---|
N0 | 不施尿素+不加麻茎 No urea+no sisal stalks |
N1 | 单施全量尿素 Full urea |
St | 单加麻茎 Sisal stalks |
St+N1/4 | 麻茎配施1/4用量尿素 Sisal stalks combining 1/4 urea |
St+N1/2 | 麻茎配施1/2用量尿素 Sisal stalks combining 1/2 urea |
St+N1 | 麻茎配施全量尿素 Sisal stalks combining full urea |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 6.63±0.03ab | 7.12±0.58a | 6.03±0.01a | 6.59±0.55ab |
N1 | 6.60±0.06ab | 6.94±0.06a | 6.04±0.06a | 6.52±0.40ab |
St | 6.59±0.07b | 7.08±0.15a | 5.99±0.02a | 6.55±048ab |
St+N1/4 | 6.78±0.15a | 7.13±0.09a | 6.06±0.08a | 6.66±0.48a |
St+N1/2 | 6.63±0.17ab | 6.92±0.04a | 6.15±0.02a | 6.57±0.35ab |
St+N1 | 6.58±0.03b | 6.89±0.05a | 5.98±0.29a | 6.48±0.43b |
不同处理平均 Average of different treatment | 6.63±0.11 | 7.02±0.23 | 6.04±0.12 | — |
Tab. 3 Soil pH of different treatment
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 6.63±0.03ab | 7.12±0.58a | 6.03±0.01a | 6.59±0.55ab |
N1 | 6.60±0.06ab | 6.94±0.06a | 6.04±0.06a | 6.52±0.40ab |
St | 6.59±0.07b | 7.08±0.15a | 5.99±0.02a | 6.55±048ab |
St+N1/4 | 6.78±0.15a | 7.13±0.09a | 6.06±0.08a | 6.66±0.48a |
St+N1/2 | 6.63±0.17ab | 6.92±0.04a | 6.15±0.02a | 6.57±0.35ab |
St+N1 | 6.58±0.03b | 6.89±0.05a | 5.98±0.29a | 6.48±0.43b |
不同处理平均 Average of different treatment | 6.63±0.11 | 7.02±0.23 | 6.04±0.12 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 3.5±0.3c | 3.3±0.16b | 3.6±0.0b | 3.5±0.2b |
N1 | 3.4±0.1c | 3.1±0.04b | 3.4±0.1b | 3.3±0.2b |
St | 6.9±0.4a | 9.3±2.55a | 13.2±1.3a | 9.8±3.1a |
St+N1/4 | 6.1±0.3b | 8.4±2.79a | 11.0±4.0a | 8.5±3.2a |
St+N1/2 | 6.7±0.4ab | 11.3±4.47a | 12.5±1.4a | 10.2±3.5a |
St+N1 | 6.5±0.5ab | 8.0±2.76a | 10.6±2.8a | 8.4±2.7a |
不同处理平均 Average of different treatment | 5.5±1.6 | 7.2±3.8 | 9.1±4.5 | — |
Tab. 4 Soil organic matter content of different treatment g?kg-1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 3.5±0.3c | 3.3±0.16b | 3.6±0.0b | 3.5±0.2b |
N1 | 3.4±0.1c | 3.1±0.04b | 3.4±0.1b | 3.3±0.2b |
St | 6.9±0.4a | 9.3±2.55a | 13.2±1.3a | 9.8±3.1a |
St+N1/4 | 6.1±0.3b | 8.4±2.79a | 11.0±4.0a | 8.5±3.2a |
St+N1/2 | 6.7±0.4ab | 11.3±4.47a | 12.5±1.4a | 10.2±3.5a |
St+N1 | 6.5±0.5ab | 8.0±2.76a | 10.6±2.8a | 8.4±2.7a |
不同处理平均 Average of different treatment | 5.5±1.6 | 7.2±3.8 | 9.1±4.5 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 26.1±6.0c | 23.6±4.9c | 29.4±0.7bc | 26.3±4.6b |
N1 | 30.7±5.6bc | 27.8±0.8bc | 24.9±6.4c | 28.1±4.6b |
St | 39.8±1.4ab | 36.2±7.0ab | 39.9±2.4a | 38.6±4.2a |
St+N1/4 | 37.7±2.5abc | 39.7±8.8a | 39.9±4.9a | 39.1±5.3a |
St+N1/2 | 45.2±9.0a | 36.6±5.7ab | 38.0±4.3ab | 40.0±7.0a |
St+N1 | 44.7±11.7a | 35.7±4.6ab | 45.0±9.5a | 41.8±9.1a |
不同处理平均 Average of different treatment | 37.4±9.3 | 33.3±7.6 | 36.2±8.0 | — |
Tab. 5 Soil alkaline hydrolysis nitrogen content of different treatment mg?kg-1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 26.1±6.0c | 23.6±4.9c | 29.4±0.7bc | 26.3±4.6b |
N1 | 30.7±5.6bc | 27.8±0.8bc | 24.9±6.4c | 28.1±4.6b |
St | 39.8±1.4ab | 36.2±7.0ab | 39.9±2.4a | 38.6±4.2a |
St+N1/4 | 37.7±2.5abc | 39.7±8.8a | 39.9±4.9a | 39.1±5.3a |
St+N1/2 | 45.2±9.0a | 36.6±5.7ab | 38.0±4.3ab | 40.0±7.0a |
St+N1 | 44.7±11.7a | 35.7±4.6ab | 45.0±9.5a | 41.8±9.1a |
不同处理平均 Average of different treatment | 37.4±9.3 | 33.3±7.6 | 36.2±8.0 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 0.12±0.03a | 0.12±0.10ab | 0.16±0.01a | 0.13±0.06a |
N1 | 0.12±0.07a | 0.13±0.01a | 0.16±0.01a | 0.14±0.04a |
St | 0.13±0.01a | 0.18±0.01a | 0.15±0.03a | 0.16±0.03a |
St+N1/4 | 0.08±0.06a | 0.13±0.03a | 0.16±0.03a | 0.12±0.05a |
St+N1/2 | 0.13±0.08a | 0.04±0.03b | 0.16±0.01a | 0.11±0.07a |
St+N1 | 0.09±0.06a | 0.11±0.05ab | 0.23±0.11a | 0.14±0.10a |
不同处理平均 Average of differenttreatment | 0.12±0.05 | 0.12±0.06 | 0.17±0.05 | — |
Tab. 6 Soil total phosphorus content of different treatment g?kg-1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 0.12±0.03a | 0.12±0.10ab | 0.16±0.01a | 0.13±0.06a |
N1 | 0.12±0.07a | 0.13±0.01a | 0.16±0.01a | 0.14±0.04a |
St | 0.13±0.01a | 0.18±0.01a | 0.15±0.03a | 0.16±0.03a |
St+N1/4 | 0.08±0.06a | 0.13±0.03a | 0.16±0.03a | 0.12±0.05a |
St+N1/2 | 0.13±0.08a | 0.04±0.03b | 0.16±0.01a | 0.11±0.07a |
St+N1 | 0.09±0.06a | 0.11±0.05ab | 0.23±0.11a | 0.14±0.10a |
不同处理平均 Average of differenttreatment | 0.12±0.05 | 0.12±0.06 | 0.17±0.05 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 0.24±0.02a | 0.53±0.10a | 0.43±0.02a | 0.40±0.14a |
N1 | 0.24±0.04a | 0.38±0.01c | 0.44±0.03a | 0.35±0.10ab |
St | 0.19±0.11ab | 0.43±0.05bc | 0.39±0.10a | 0.34±0.14b |
St+N1/4 | 0.18±0.02ab | 0.49±0.03ab | 0.38±0.13a | 0.35±0.15ab |
St+N1/2 | 0.11±0.08ab | 0.45±0.02abc | 0.45±0.02a | 0.34±0.18b |
St+N1 | 0.18±0.04a | 0.51±0.05ab | 0.38±0.13a | 0.36±0.16ab |
不同处理平均 Average of different treatment | 0.19±0.07 | 0.45±0.07 | 0.41±0.08 | — |
Tab. 7 Soil total potassium content of different treatment g?kg-1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 0.24±0.02a | 0.53±0.10a | 0.43±0.02a | 0.40±0.14a |
N1 | 0.24±0.04a | 0.38±0.01c | 0.44±0.03a | 0.35±0.10ab |
St | 0.19±0.11ab | 0.43±0.05bc | 0.39±0.10a | 0.34±0.14b |
St+N1/4 | 0.18±0.02ab | 0.49±0.03ab | 0.38±0.13a | 0.35±0.15ab |
St+N1/2 | 0.11±0.08ab | 0.45±0.02abc | 0.45±0.02a | 0.34±0.18b |
St+N1 | 0.18±0.04a | 0.51±0.05ab | 0.38±0.13a | 0.36±0.16ab |
不同处理平均 Average of different treatment | 0.19±0.07 | 0.45±0.07 | 0.41±0.08 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 80.8±6.9c | 73.8±25.8a | 53.5±2.2a | 69.4±18.2bc |
N1 | 78.0±10.2c | 68.3±6.2a | 49.4±5.7a | 65.2±14.2bc |
St | 105.7±10.2b | 71.3±16.6a | 55.9±6.2a | 77.7±24.3ab |
St+N1/4 | 132.1±8.9a | 67.8±12.8a | 56.2±8.3a | 85.3±36.5a |
St+N1/2 | 81.4±16.0c | 65.3±25.5a | 47.7±1.4a | 64.8±21.0bc |
St+N1 | 79.3±11.4c | 59.0±11.7a | 48.8±4.1a | 62.3±15.8c |
不同处理平均 Average of different treatment | 92.9±22.5 | 67.6±15.8 | 51.9±5.6 | — |
Tab. 8 Soil total available potassium content of different treatment mg?kg-1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 80.8±6.9c | 73.8±25.8a | 53.5±2.2a | 69.4±18.2bc |
N1 | 78.0±10.2c | 68.3±6.2a | 49.4±5.7a | 65.2±14.2bc |
St | 105.7±10.2b | 71.3±16.6a | 55.9±6.2a | 77.7±24.3ab |
St+N1/4 | 132.1±8.9a | 67.8±12.8a | 56.2±8.3a | 85.3±36.5a |
St+N1/2 | 81.4±16.0c | 65.3±25.5a | 47.7±1.4a | 64.8±21.0bc |
St+N1 | 79.3±11.4c | 59.0±11.7a | 48.8±4.1a | 62.3±15.8c |
不同处理平均 Average of different treatment | 92.9±22.5 | 67.6±15.8 | 51.9±5.6 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of differenttime |
---|---|---|---|---|
N0 | 14.0±0.4a | 12.8±0.5a | 10.9±0.5a | 12.6±1.4a |
N1 | 14.1±0.4a | 13.1±0.4a | 10.3±1.9a | 12.5±1.9a |
St | 14.3±0.1a | 13.0±0.6a | 11.7±0.6a | 13.0±1.2a |
St+N1/4 | 14.3±0.0a | 12.9±1.0a | 10.7±2.4a | 12.6±2.0a |
St+N1/2 | 13.9±0.1ab | 13.6±0.6a | 11.6±0.5a | 13.0±1.1a |
St+N1 | 14.3±0.2a | 12.3±1.2a | 11.3±1.7a | 12.6±1.7a |
不同处理平均 Average of different treatment | 14.1±0.3 | 13.0±0.7 | 11.1±1.3 | — |
Tab. 9 Soil catalase activity of different treatment mg?g-1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of differenttime |
---|---|---|---|---|
N0 | 14.0±0.4a | 12.8±0.5a | 10.9±0.5a | 12.6±1.4a |
N1 | 14.1±0.4a | 13.1±0.4a | 10.3±1.9a | 12.5±1.9a |
St | 14.3±0.1a | 13.0±0.6a | 11.7±0.6a | 13.0±1.2a |
St+N1/4 | 14.3±0.0a | 12.9±1.0a | 10.7±2.4a | 12.6±2.0a |
St+N1/2 | 13.9±0.1ab | 13.6±0.6a | 11.6±0.5a | 13.0±1.1a |
St+N1 | 14.3±0.2a | 12.3±1.2a | 11.3±1.7a | 12.6±1.7a |
不同处理平均 Average of different treatment | 14.1±0.3 | 13.0±0.7 | 11.1±1.3 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 0.32±0.01d | 0.54±0.09cd | 0.16±0.01b | 0.31±0.16c |
N1 | 0.32±0.00d | 0.48±0.04d | 0.12±0.02b | 0.30±0.16c |
St | 0.55±0.06bc | 1.10±0.06a | 0.30±0.02a | 0.65±0.36a |
St+N1/4 | 0.47±0.08c | 0.80±0.21bc | 0.26±0.04a | 0.51±0.26b |
St+N1/2 | 0.69±0.07a | 0.87±0.21ab | 0.28±0.01a | 0.62±0.28ab |
St+N1 | 0.63±0.07ab | 0.93±0.17ab | 0.27±0.02a | 0.61±0.30ab |
不同处理平均 Average of different treatment | 0.50±0.16 | 0.79±0.25 | 0.23±0.07 | — |
Tab. 10 Soil urease activity of different treatment mg?g -1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different time |
---|---|---|---|---|
N0 | 0.32±0.01d | 0.54±0.09cd | 0.16±0.01b | 0.31±0.16c |
N1 | 0.32±0.00d | 0.48±0.04d | 0.12±0.02b | 0.30±0.16c |
St | 0.55±0.06bc | 1.10±0.06a | 0.30±0.02a | 0.65±0.36a |
St+N1/4 | 0.47±0.08c | 0.80±0.21bc | 0.26±0.04a | 0.51±0.26b |
St+N1/2 | 0.69±0.07a | 0.87±0.21ab | 0.28±0.01a | 0.62±0.28ab |
St+N1 | 0.63±0.07ab | 0.93±0.17ab | 0.27±0.02a | 0.61±0.30ab |
不同处理平均 Average of different treatment | 0.50±0.16 | 0.79±0.25 | 0.23±0.07 | — |
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different treatment |
---|---|---|---|---|
N0 | 4.4±1.2b | 37.2±30.9ab | 5.9±6.2b | 13.2±19.2bc |
N1 | 3.8±0.2b | 1.2±0.5ab | 3.9±5.2b | 3.2±3.1c |
St | 4.0±0.3b | 25.3±5.2ab | 12.1±5.3b | 15.0±10.0bc |
St+N1/4 | 13.3±2.1a | 59.0±35.9a | 39.4±25.2a | 40.2±30.2a |
St+N1/2 | 5.2±0.8b | 37.4±16.5ab | 7.3±1.6b | 16.6±17.7bc |
St+N1 | 12.0±1.4a | 32.8±10.9b | 15.2±6.3b | 21.0±11.9b |
不同处理平均 Average of different time | 7.1±3.9 | 32.2±24.1 | 14.0±15.6 | — |
Tab. 11 Soil invertase activity of different treatment mg?g-1
处理 Treatment | 120 d | 240 d | 360 d | 不同时间平均 Average of different treatment |
---|---|---|---|---|
N0 | 4.4±1.2b | 37.2±30.9ab | 5.9±6.2b | 13.2±19.2bc |
N1 | 3.8±0.2b | 1.2±0.5ab | 3.9±5.2b | 3.2±3.1c |
St | 4.0±0.3b | 25.3±5.2ab | 12.1±5.3b | 15.0±10.0bc |
St+N1/4 | 13.3±2.1a | 59.0±35.9a | 39.4±25.2a | 40.2±30.2a |
St+N1/2 | 5.2±0.8b | 37.4±16.5ab | 7.3±1.6b | 16.6±17.7bc |
St+N1 | 12.0±1.4a | 32.8±10.9b | 15.2±6.3b | 21.0±11.9b |
不同处理平均 Average of different time | 7.1±3.9 | 32.2±24.1 | 14.0±15.6 | — |
处理 Treatment | 微生物量碳 Microbial biomass carbon | 微生物量氮 Microbial biomass nitrogen |
---|---|---|
N0 | 15.0±2.1a | 22.0±2.6a |
N1 | 19.7±9.4a | 27.1±10.3a |
St | 43.5±19.7a | 34.1±9.1a |
St+N1/4 | 34.4±22.4a | 17.5±1.4a |
St+N1/2 | 61.6±20.3a | 25.2±13.3a |
St+N1 | 34.0±19.3a | 13.6±5.7a |
Tab. 12 Soil microbial biomass carbon and nitrogen of different treatment at 240th days mg?kg-1
处理 Treatment | 微生物量碳 Microbial biomass carbon | 微生物量氮 Microbial biomass nitrogen |
---|---|---|
N0 | 15.0±2.1a | 22.0±2.6a |
N1 | 19.7±9.4a | 27.1±10.3a |
St | 43.5±19.7a | 34.1±9.1a |
St+N1/4 | 34.4±22.4a | 17.5±1.4a |
St+N1/2 | 61.6±20.3a | 25.2±13.3a |
St+N1 | 34.0±19.3a | 13.6±5.7a |
处理 Treatment | 叶数 Leaves number | 叶长 Leaves length/cm | 叶宽 Leaves width/mm | 地上部鲜重 Tope fresh weight/g | 地上部干重 Top dry weight/g | 根干重 Root dry weight/g | 根冠比 Root/shoot ratios |
---|---|---|---|---|---|---|---|
N0 | 10±1b | 34.8±3.1c | 3.7±0.5a | 232.1±42.7a | 38.4±8.2a | 8.4±0.2a | 0.19±0.02a |
N1 | 13±1a | 44.8±6.9b | 3.4±0.3a | 307.8±36.4a | 42.9±9.4a | 7.0±3.9ab | 0.16±0.06a |
St | 9±2b | 45.7±4.2b | 3.5±0.7a | 231.5±115.6a | 30.2±19.0a | 4.3±3.0abc | 0.14±0.05ab |
St+N1/4 | 10±2ab | 56.0±8.0a | 3.9±0.1a | 267.5±39.1a | 33.1±12.7a | 2.3±1.3c | 0.07±0.01b |
St+N1/2 | 10±1ab | 50.6±2.1ab | 3.8±0.2a | 269.1±51.8a | 32.1±7.4a | 4.2±1.1abc | 0.13± 0.01ab |
St+N1 | 10±2ab | 47.2±5.9ab | 3.5±0.3a | 231.9±40.2a | 26.5±5.5a | 3.4±2.2bc | 0.12± 0.06ab |
Tab. 13 Sisal growth of different treatment
处理 Treatment | 叶数 Leaves number | 叶长 Leaves length/cm | 叶宽 Leaves width/mm | 地上部鲜重 Tope fresh weight/g | 地上部干重 Top dry weight/g | 根干重 Root dry weight/g | 根冠比 Root/shoot ratios |
---|---|---|---|---|---|---|---|
N0 | 10±1b | 34.8±3.1c | 3.7±0.5a | 232.1±42.7a | 38.4±8.2a | 8.4±0.2a | 0.19±0.02a |
N1 | 13±1a | 44.8±6.9b | 3.4±0.3a | 307.8±36.4a | 42.9±9.4a | 7.0±3.9ab | 0.16±0.06a |
St | 9±2b | 45.7±4.2b | 3.5±0.7a | 231.5±115.6a | 30.2±19.0a | 4.3±3.0abc | 0.14±0.05ab |
St+N1/4 | 10±2ab | 56.0±8.0a | 3.9±0.1a | 267.5±39.1a | 33.1±12.7a | 2.3±1.3c | 0.07±0.01b |
St+N1/2 | 10±1ab | 50.6±2.1ab | 3.8±0.2a | 269.1±51.8a | 32.1±7.4a | 4.2±1.1abc | 0.13± 0.01ab |
St+N1 | 10±2ab | 47.2±5.9ab | 3.5±0.3a | 231.9±40.2a | 26.5±5.5a | 3.4±2.2bc | 0.12± 0.06ab |
处理 Treatment | 全氮 Total N | 全磷 Total P | 全钾 Total K |
---|---|---|---|
N0 | 7.1±1.6a | 1.4±0.6b | 15.1±1.5a |
N1 | 6.5±1.2a | 1.4±0.7b | 13.1±2.9a |
St | 13.5±9.2a | 2.5±0.4a | 17.6±3.7a |
St+N1/4 | 10.1±2.7a | 1.9±0.4ab | 16.5±3.8a |
St+N1/2 | 9.6±1.5a | 2.2±0.4ab | 15.1±1.8a |
St+N1 | 9.3±2.3a | 2.2±0.4ab | 17.0±2.1a |
Tab. 14 Nutrient content of sisal leaf of different treatment g?kg-1
处理 Treatment | 全氮 Total N | 全磷 Total P | 全钾 Total K |
---|---|---|---|
N0 | 7.1±1.6a | 1.4±0.6b | 15.1±1.5a |
N1 | 6.5±1.2a | 1.4±0.7b | 13.1±2.9a |
St | 13.5±9.2a | 2.5±0.4a | 17.6±3.7a |
St+N1/4 | 10.1±2.7a | 1.9±0.4ab | 16.5±3.8a |
St+N1/2 | 9.6±1.5a | 2.2±0.4ab | 15.1±1.8a |
St+N1 | 9.3±2.3a | 2.2±0.4ab | 17.0±2.1a |
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