鸽豆绿肥和氮肥通过改善玉米产量和穗部性状提高农艺效率

Journal of Soil, Plant and Environment Pub Date : 2023-09-07 DOI:10.56946/jspae.v2i2.196

Haq Nawaz, H. Akbar, Ahmad Masood Khan, Muhammad Arif, Madiha Arslan, Shahenshah, Muhammad Zuhair, Bismillah Khan

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引用次数: 0

摘要

绿色豆科作物是一种令人鼓舞的，至少未完成的化肥替代品，特别是氮肥的替代品。试验采用RCB设计，分畦布置重复4次。花前(GM1)、花期(GM2)和花期(GM3)分别施用3.4、6.3和7.3 t hm -1的绿肥(GM)，子区分别施用氮肥水平(N) 0、70、100和130 kg N hm -1。结果表明，GM2显著提高了株高(183 cm)和叶面积(393.6 cm2)。与GM2相比，GM1显著提高了生物产量(9826 kg ha-1)、籽粒产量(3500 kg ha-1)、千粒重(203.6 g)、穗数(319)、穗长(18 cm)和穗径(11.4 cm)。同样，与其他施氮水平相比，130 kg hm -1施氮水平的植株更高，叶面积、千粒重、生物产量和籽粒产量、收获指数、穗1、穗高、穗长、穗重和穗径也更高。在GM1和70 kg N hm -1处理下，农艺效率(AE)分别显著提高13.8 kg kg-1和11.8 kg kg-1。研究结果表明，花前期转基因鸽豆和130 kg N hm -1可提高玉米产量。

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Pigeon Pea Green Manuring and Nitrogen Fertilization Increase Agronomic Efficiency by Improving Yield and Ear Characteristics of Maize

Green legume incorporation is an encouraging, at least unfinished, substitute for chemical fertilizers, particularly for nitrogen (N). The experiment was conducted in an RCB design with a split plot arrangement replicated four times. Pigeon pea green manuring (GM) of 3.4, 6.3 and 7.3 t ha-1 at pre flowering (GM1), at flowering (GM2) and post flowering (GM3) were assigned to the main plots, respectively, and nitrogen levels (N) (0, 70, 100 and 130 kg N ha-1) were allotted to the subplots. Results showed that GM2 significantly improved plant height (183 cm) and leaf area (393.6 cm2). Whereas, GM1 significantly enhanced biological yield (9826 kg ha-1), grain yield (3500 kg ha-1), thousand grain weight (203.6 g), grain ear-1(319), ear length (18 cm) and ear diameter (11.4 cm) as compared to GM2. Similarly, nitrogen application at the rate of 130 kg ha-1 resulted in taller plants, higher leaf area, thousand grain weight, biological and grain yields, harvest index, grains ear-1, ear height, length, weight and diameter than other N levels. The agronomic efficiency (AE) was significantly increased by 13.8 kg kg-1 and 11.8 kg kg-1 at GM1 and 70 kg N ha-1, respectively. It was concluded from the outcomes of the study that pigeon pea GM at pre flowering stage and 130 kg N ha-1 improved maize crop production.

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Journal of Soil, Plant and Environment Agricultural Sciences-Environmental Sciences

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期刊介绍： Journal of Soil, Plant and Environment is an open peer-reviewed journal that considers articles and review articles on all aspects of agricultural sciences. Aim and Scope Journal of Soil, Plant and Environment (ISSN: 2957-9082) is an international journal dedicated to the advancements in agriculture throughout the world. The goal of this journal is to provide a platform for scientists, students, academics and engineers all over the world to promote, share, and discuss various new issues and developments in different areas of agricultural sciences. All manuscripts must be prepared in English and are subject to a rigorous and fair peer-review process. Accepted papers will appear online within 3 weeks followed by printed hard copy. Journal of Soil, Plant and Environment (ISSN: 2957-9082) publishes original papers including but not limited to the following fields: Soil–plant relationships; crop science; soil science; biometry; crop, soil, pasture, and range management; crop, forage, and pasture production and utilization; turfgrass; agroclimatology; agronomic models; integrated pest management; integrated agricultural systems; and various aspects of entomology, weed science, animal science, plant pathology, and agricultural economics as applied to production agriculture. We are also interested in: 1) Short Reports– 2-5 pages where the paper is intended to present either an original idea with theoretical treatment or preliminary data and results; 2) Book Reviews – Comments and critiques of recently published books in agricultural sciences.