Sorghum growth influenced by cultivar, nitrogen fertilizer rate and plant density under different environmental conditions

IF 0.4 4区综合性期刊 Q4 ECOLOGY

Interciencia Pub Date : 2023-01-01 DOI:10.59671/yqq6e

E. Sebetha, J. A. Ajidahun

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引用次数: 0

Abstract

This study aimed to determine the effect of cultivar, nitrogen fertilizer rate and plant density on sorghum growth performance under different environmental conditions. A field experiment was carried out at two different locations of North-West province during 2016/17 and 2017/18 planting seasons. The experiment was laid out as a split split plot arrangement fitted into a randomized complete block design with four replications. The main plot factors were higher plant density (33 333 plants/ha) and lower plant density (22 222 plants/ha). The subplot factors consisted of nitrogen fertilizer rates of 0, 100 and 150 kg/ha. The sub-sub plot factors included two sorghum cultivars, PAN 8625 and PAN 8816. The measured growth parameters were plant height, stem diameter, leaves per plant, leaf chlorophyll content and leaf area index. Sorghum fertilised with 100 kg N/ha had a significantly taller plant of 94.07 cm than sorghum fertilised with 0 and 150 kg N/ha at 51 DAP. During 2016/17 planting season, sorghum cultivar PAN 8625 had a significantly higher number of 13.29 leaves than PAN 8816 at 51 DAP. Sorghum cultivar PAN 8625 also had a significantly higher number of 12.71 leaves than PAN 8816 at 74 DAP. Sorghum growth was enhanced by application of 100 kg N/ha. In this study, sorghum cultivar PAN 8625 is recommended to farmers due to its superior growth performance.

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不同环境条件下，高粱的生长受品种、施氮量和密度的影响

本试验旨在研究不同环境条件下品种、施氮量和密度对高粱生长性能的影响。在2016/17和2017/18种植季节，在西北省的两个不同地点进行了田间试验。试验采用随机完全区组设计，设4个重复。主要样地因子为高密度(33 333株/ha)和低密度(22 222株/ha)。分小区因子为施氮肥0、100和150 kg/ha。分小区因子包括2个高粱品种PAN 8625和PAN 8816。测定的生长参数为株高、茎粗、单株叶数、叶片叶绿素含量和叶面积指数。施氮量为100 kg / hm2的高粱植株在51 DAP时显著高于施氮量为0和150 kg / hm2的高粱植株，达到94.07 cm。2016/17种植季，在51 DAP时，高粱品种PAN 8625的叶片数为13.29，显著高于PAN 8816。在74 DAP处理下，PAN 8625叶片数为12.71片，显著高于PAN 8816。施用100 kg N/ha对高粱生长有促进作用。在本研究中，由于PAN 8625的生长性能优越，因此推荐给农民。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Interciencia 综合性期刊-生态学

CiteScore

0.80

自引率

25.00%

发文量

审稿时长

4-8 weeks

期刊介绍： Interciencia is the monthly multidisciplinary publication of the INTERCIENCIA Association. It is dedicated to stimulate scientific research, its humanitarian use and the study of its social context, specially in Latin America and the Caribbean and to promote communication between the scientific and technological communities of the Americas. Interciencia has been published uninterruptedly since 1976. Its Founding Director, Marcel Roche (endocrinologist and sociologist of science) was editor until 2008, and thereafter Miguel Laufer (neurobiologist) has been in charge. It has been included since 1978 in the Science Citation Index and other international indexes, and since 2008 it maintains an open access electronic version with material from 2005 onwards. The priority areas of the journal, without exclusion of other areas, are Agronomy, Arid Lands, Food and Nutrition, Biotechnology, Ecology and Environment, Energy, Innovation and Technology Transfer, Marine Resources, Non-renewable Resources, Science Education, Science Policy, Study and Sociology of Science, and Tropical Forests. Interciencia publishes in Spanish, Portuguese and English research and review articles, communications and essays, all of which are subjected to peer review. Additionally, it includes non-refereed sections such as Editorial, Letters to the Editor, Open Town Hall, Book Reviews and Upcoming Events. All the material submitted to the journal for publication and accepted by the Editorial Committee in view of its quality and pertinence is subjected to review by peer specialists in the corresponding fields of knowledge. Neither the INTERCIENCIA Association, nor the journal or the institutions to which the authors belong carry responsibility for the contents. Signing authors are responsible for the material published under their names.