Impact of Green Manuring on Health of Low Fertility Calcareous Soils

被引:9
|
作者
Naz, Asifa [1 ]
Rebi, Ansa [2 ]
Naz, Raheela [3 ]
Akbar, Muhammad Usman [4 ]
Aslam, Ana [3 ]
Kalsom, Amina [3 ]
Niaz, Abid [5 ]
Ahmad, Muhammad Ibrar [6 ]
Nawaz, Shahrish [6 ]
Kausar, Rizwana [6 ]
Ali, Baber [7 ]
Saleem, Muhammad Hamzah [8 ]
Zhou, Jinxing [2 ]
机构
[1] Soil & Water Testing Lab, Khushab 41000, Punjab, Pakistan
[2] Beijing Forestry Univ, Sch Soil & Water Conservat, Jianshui Res Stn, Beijing 100083, Peoples R China
[3] Inst Soil Chem & Environm Sci, Ayub Agr Res Inst, Soil Chem Sect, Faisalabad 38000, Punjab, Pakistan
[4] Govt Coll Univ, Dept Appl Chem, Faisalabad 38000, Punjab, Pakistan
[5] Ayub Agr Res Inst, Soil Bacteriol Sect, Faisalabad 38000, Punjab, Pakistan
[6] Soil & Water Testing Lab, Sargodha 40100, Punjab, Pakistan
[7] Quaid i Azam Univ, Dept Plant Sci, Lahore 45320, Islamabad, Pakistan
[8] Huazhong Agr Univ, Coll Plant Sci & Technol, Wuhan 430070, Peoples R China
基金
国家重点研发计划; 中国国家自然科学基金;
关键词
green manuring; fertility; organic matter; bulk density; porosity; Pakistan; INDO-GANGETIC PLAINS; NITROGEN-FERTILIZATION; ORGANIC-MATTER; USE EFFICIENCY; PRODUCTIVITY; SYSTEMS; QUALITY; CARBON; CROPS;
D O I
10.3390/land12030546
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This study was conducted in a rice-based cropping scheme to investigate the impact of green manuring on soil health, considering soil physicochemical properties and sustainable crop production. A field experiment was started on 2 November 2015 and completed on 15 April 2018 under a rice-berseem (Trifolium alexandrinum) cropping system in calcareous soil. Two green manuring patterns, rice-berseem and rice-wheat-sesbania (rostrata), were compared with a commonly practiced rice-wheat (Oryza sativa-Triticumaestivum) cropping pattern. Green manuring of the berseem crop (last cutting) along with 50, 75, and 100% of the recommended fertilizer doses of nitrogen, phosphorus, and potassium (NPK) were compared with recommended NPK fertilization along with control (no fertilizer). The plant growth parameters of rice, including plant height, tillers per plant at maturity, and yield data, were recorded at harvest. The pre-sowing soil analysis revealed that the experimental soil was low in salts, and the nutrient (NPK) status was very low. The results indicated that green manuring substantially enhanced the grain and straw yield of rice crops. Green manuring combined with 75% of recommended NPK produced the highest grain yield (5.83 t ha(-1) in year III) compared to the other treatments. The soil analysis showed that the bulk density was reduced while soil porosity, organic carbon, and N, K, and P contents were significantly improved. From the results of this study, it is recommended that under calcareous soil conditions, the regular use of green manuring can significantly improve crop growth, yield, and physicochemical properties of soil and, therefore, should be adopted by farmers.
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页数:13
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