Forage productivity and carbon storage from based Hardwickia binatasilvopasture systems in semi arid rainfed conditions

IF 0.8 4区农林科学 Q3 AGRONOMY Range Management and Agroforestry Pub Date : 2023-12-20 DOI:10.59515/rma.2023.v44.i2.03

S. N. Ram, Kamin, Manjanagouda S. Sannagoudar

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Abstract

A study was conducted from 2018 to 2022 on ten year old based silvopasture system at Hardwickia binataIndian Grassland and Fodder Research Institute, Jhansi. The treatment consisted of establishment of three types of grasses and in association with viz. Cenchrus ciliaris, Chrysopogon fulvusPanicum maximumH. binataH. binataC. fulvus and three pruning intensities of 30%, 45% and 60%. Establishment of viz.in association with recorded significantly higher dry pasture yield (7.91- 8.93 t/ha) as compared to H. binata P. maximumC. ciliaris (6.19-7.08 t/ha) and it was found at par with (7.62-8.70 t/ha) during 1 to . In st4 yearsthpruning, 60% canopy pruning of recorded significantly higher pasture yield (7.99, 8.40 and 8.99 t/ha) H. binataas compared to 30% canopy pruning (7.19, 7.27 and 7.38 t/ha) and 45% canopy pruning (7.67, 7.95 and 8.33 t/ha). Organic carbon content (0.646%) was significantly increased with during respectively2 , 3 and 4 yearsndrdthC. fulvusP. maximumC. ciliaris as compared to (0.591%) and it was found at par with (0.627%) in 4 year of thstudy. Available nitrogen (260.60 kg/ha), phosphorus (9.36 kg/ha), potash (238.70 kg/ha) and organic carbon (0.663%) were also significantly increased with 30% canopy pruning as compared to 60% canopy of H. binatapruning in . recorded 79.90% higher carbon stock in 4 year of study (19.61 t/ha) as compared 4 yearthH. binatathto initial year. Total carbon stock of the system was maximum with in association with (39.29 C. fulvus H. binata and 50.73 t/ha) closely followed by (38.51 and 50.30 t/ha) and (36.20 and 46.68 t/ha) C. ciliaris P. maximum during . recorded significantly 1 Among pruning, 30% canopy pruning of stand 4 years respectivelythH. binata higher total carbon stock during of the system (50.82 t/ha) as compared to 60% canopy pruning (47.42 t/ha)4 thyear.of study

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半干旱雨水灌溉条件下基于 Hardwickia binatasilvopasture 系统的牧草生产率和碳储量

2018年至2022年，在印度草地和饲料研究所（Hardwickia binataIndian Grassland and Fodder Research Institute，Jhansi）对基于十年生的造林草场系统进行了研究。处理方法包括种植三种牧草，并与 Cenchrus ciliaris、Chrysopogon fulvusPanicum maximumH.与 H. binata P. maximumC. ciliaris（6.19-7.08 吨/公顷）相比，在第 1 年至第 4 年期间，与 H. binata P. maximumC. ciliaris（7.62-8.70 吨/公顷）相比，与 Viz.联合种植的干牧草产量（7.91-8.93 吨/公顷）明显较高，且与 H. binata P. maximumC. ciliaris（6.19-7.08 吨/公顷）相当。在第 4 年的修剪中，与 30% 的冠层修剪（7.19、7.27 和 7.38 吨/公顷）和 45% 的冠层修剪（7.67、7.95 和 8.33 吨/公顷）相比，60% 的冠层修剪能显著提高 H. binata 的牧草产量（7.99、8.40 和 8.99 吨/公顷）。有机碳含量（0.646%）在第 2、第 3 和第 4 年分别比第 2、第 3 和第 4 年的 0.591%和 0.627%显著增加。与 H. binatruning 的 60% 树冠修剪率相比，30% 树冠修剪率下的可用氮（260.60 千克/公顷）、磷（9.36 千克/公顷）、钾肥（238.70 千克/公顷）和有机碳（0.663%）也显著增加。在研究的第 4 年，H. binatath 的碳储量（19.61 吨/公顷）比最初的第 4 年高出 79.90%。在......期间，该系统总碳储量最高的是富贵竹（39.29 吨/公顷和 50.73 吨/公顷），紧随其后的是（38.51 吨/公顷和 50.30 吨/公顷）和桔梗（36.20 吨/公顷和 46.68 吨/公顷）。与 60% 的冠层修剪（47.42 吨/公顷）相比，H. binata 的总碳储量（50.82 吨/公顷）明显高于 60% 的冠层修剪（47.42 吨/公顷）。

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来源期刊

Range Management and Agroforestry AGRONOMY-

CiteScore

1.50

自引率

62.50%

发文量

审稿时长

>12 weeks

期刊介绍： The Society has been established with the following objectives: 1. To advance the cause of research activity in all aspects of rangelands and to encourage and promote the studies on rangeland, wasteland ecosystems and agroforestry. 2. To provide facilities for seminars and conferences to rangeland researchers, development workers and farmers and to encourage close cooperation with organizations having related aims and interests. 3. To disseminate the knowledge of scientific agriculture and technology for forage and rangeland production, improvement and management.