玉米杂交种和复合材料的饲料产量和贮藏质量评估

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.i2.17

Digvijay Singh, B. Kumar, Pardeep Kumar, Sujay Rakshit

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引用次数: 0

摘要

有许多玉米杂交种和复合品种被农民用于制作青贮饲料。本研究的目的是找出有前景的高产优质青贮栽培品种。研究在 2019-20 年和 2020 年期间进行，采用随机区组设计（RBD），三个 Rabi Kharif 重复，包括 13 个玉米杂交种和 3 个复合品种。与所有其他杂交种和复合品种相比，非洲高秆玉米的株高（333.39 厘米）、叶片数/株（13.83）和青饲料产量（51.92 吨/公顷）均明显较高。玉米杂交种 P 3401（16.85 吨/公顷）的干物质产量较高，其次是 DMRH 1410（15.45 吨/公顷）。P 3401 的粗蛋白产量（1.09 吨/公顷）也较高，其次是 PMC 6 和 P 3396（1.01 吨/公顷）。所有玉米基因型青贮饲料的 pH 值都在可接受的范围内。青饲料和青贮阶段的 NDF 含量分别为 49.48% 至 55.11% 和 53.19% 至 59.39%。青饲料中的 ADF 含量在 24.45% 到 28.55% 之间变化，青贮饲料中的 ADF 含量在 28.74% 到 33.34% 之间变化。但青贮和青饲料中的 NDF 和 ADF 差异不显著。在这项研究的基础上，非洲高秆玉米、P 3401 和 DMRH 1410 被确定为有希望获得更高的生物量产量和优质青贮饲料的玉米基因型。

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Evaluation of maize hybrids and composites for fodder yield and ensiling quality

There are number of hybrids and composites in maize which are used for silage making by farmers. The objective of the present study was to find out the promising high yielding and better-quality silage cultivar. A study was undertaken during, 2019-20 and 2020 in randomized block design (RBD) with three Rabi Kharif replications consisting of 13 maize hybrids and three composites. The African Tall recorded significantly higher plant height (333.39 cm), number of leaves/plant (13.83) and green fodder yield (51.92 t/ha) compared to all other hybrids and composites. While dry matter yield was higher in maize hybrids, P 3401(16.85 t/ha) followed by DMRH 1410 (15.45 t/ha). Crude protein yield (1.09 t/ha) was also higher in P 3401 followed by PMC 6 and P 3396 (1.01 t/ha). The pH of silage in all maize genotypes was in acceptable range. NDF content varied from 49.48 to 55.11% and 53.19 to 59.39% in green fodder and silage stage, respectively. ADF content varied between 24.45 to 28.55% in green fodder and 28.74 to 33.34% in silage. But difference was found non-significant for both NDF and ADF in silage and green fodder. Based on this study African Tall, P 3401 and ,DMRH 1410 were identified as promising maize genotypes for higher biomass yield and quality silage preparation for ruminant animals

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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.