Solangi Farheen, Zhu Xingye, Cao Weidong, Dai Xiu, Solangi Kashif Ali, Zhou Guopeng, Alwasel Yasmeen A
Research Centre of Fluid Machinery Engineering and Technology, Jiangsu University, Zhenjiang 212013, Jiangsu, China.
State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, Beijing 100081, China.
ACS Omega. 2024 Mar 17;9(12):13860-13871. doi: 10.1021/acsomega.3c08794. eCollection 2024 Mar 26.
The potential nutrient uptake abilities of a plant are essential for improving the yield and quality. Green manures can take up a huge amount of macronutrients from the soil. The mechanisms underlying the differences in nutrient uptake capacity among different nonlegume species remain unclear. The plot experiments were conducted to investigate the performance of nonlegume species including forage radish ( subsp. ), oil radish ( var. ), February orchid ( L), and rapeseed (), while a ryegrass ( L.) species was used as a control. The study results showed that forage radish had the highest nutrient uptake (N and P), i.e., 322 and 101% in Hunan and 277 and 469% in the Sichuan site, respectively, compared with the control. While the greatest K uptake was found in forage radish, i.e., 123%, and February orchid, 243%, in the Hunan and Sichuan sites. Forage radish also presented higher phosphorus use efficiency in both experimental areas: Hunan by 301% and Sichuan by 633% compared to the control. Significant modifications were found in nutrient availability and enzyme activities after the cultivation of various species. The oil radish enhanced the β-glucosidase (BG) and leucine-aminopeptidase enzyme activities by 324 and 367%, respectively, while forage radish developed the highest phosphatase (Phase) and -acetyl-glucosaminidase (NAG) activities compared to the ryegrass in Hunan. In the Sichuan site, the oil radish promotes enzyme activities such as Phase (126%), BG (19%), and NAG (17%), compared to the control. It is concluded that forage radish, oil radish, and February orchid can easily improve soil nutrient quality in green manuring practices and provide valuable nutrient management systems.
植物潜在的养分吸收能力对于提高产量和品质至关重要。绿肥能够从土壤中吸收大量常量养分。不同非豆科物种间养分吸收能力差异的潜在机制仍不清楚。开展小区试验以研究包括饲用萝卜（亚种）、油用萝卜（变种）、二月兰（L.）和油菜（）在内的非豆科物种的表现，同时将黑麦草（L.）物种用作对照。研究结果表明，与对照相比，饲用萝卜的养分吸收量（氮和磷）最高，在湖南分别为322%和101%，在四川分别为277%和469%。虽然饲用萝卜的钾吸收量最大，在湖南和四川分别为123%和243%，二月兰的钾吸收量在湖南和四川分别为243%。饲用萝卜在两个试验区的磷利用效率也更高：与对照相比，在湖南提高了301%，在四川提高了633%。在种植不同物种后，发现养分有效性和酶活性有显著变化。油用萝卜使β-葡萄糖苷酶（BG）和亮氨酸氨肽酶活性分别提高了324%和367%，而在湖南，与黑麦草相比，饲用萝卜的磷酸酶（Phase）和N-乙酰氨基葡萄糖苷酶（NAG）活性最高。在四川试验区，与对照相比，油用萝卜提高了Phase（126%）、BG（19%）和NAG（17%）等酶的活性。得出的结论是，饲用萝卜、油用萝卜和二月兰在绿肥实践中能够轻松改善土壤养分质量，并提供有价值的养分管理系统。
