Dry-matter accumulation of sweet corn (Zea mays) under variable seedling age and integrated nutrient supply

Q4 Agricultural and Biological Sciences

Indian Journal of Agronomy Pub Date : 2023-07-01 DOI:10.59797/ija.v68i2.365

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Abstract

An experiment was conducted during the rainy (Kharif) season of 2020 at Sher-e-Kashmir University of Agricultural Sciences and Technology of Kashmir, Wadura Sopore, Jammu and Kashmir to evaluate the effect of age of seedling and sources of nutrients on dry-matter production of sweet corn (Zea mays L.). It was laid out in randomized complete-block design with factorial arrangement, replicated thrice. The age of seedling comprised of 12, 22 and 32 days old seedlings and sources of nutrients consisted of control, 100% recommended dose of fertilizer (RDF), 50% RDF + FYM @ 12 t/ha, 50% RDF + vermicompost @ 4 t/ha and 50% RDF + poultry manure @ 2 t/ha. The findings of this study indicated that, age of seedling and sources of nutrients had a significant influence on dry-matter accumulation. Transplanting of 32 days old seedlings recorded significantly higher values for dry-matter accumulation up to 30 days after transplanting, but thereafter transplanting 22 days old seedlings was found superior up to the harvesting. With respect to sources of nutrients application of 50% RDF + poultry manure @ 2 t/ha registering significantly higher dry-matter accumulation.

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变苗龄和综合养分供应条件下甜玉米干物质积累

在2020年雨季(Kharif)期间，在克什米尔、Wadura Sopore、查谟和克什米尔的she -e-Kashmir农业科技大学进行了一项试验，以评估苗龄和营养来源对甜玉米(Zea mays L.)干物质产量的影响。采用随机完全区组设计，因子排列，重复3次。苗龄为12日龄、22日龄和32日龄，养分来源为对照、100%推荐用量肥料(RDF)、50% RDF + FYM @ 12 t/ha、50% RDF +蚯蚓堆肥@ 4 t/ha和50% RDF +禽粪@ 2 t/ha。研究结果表明，苗龄和养分来源对干物质积累有显著影响。移栽32日龄苗在移栽后30 d内干物质积累显著高于移栽苗，但移栽22日龄苗在移栽后30 d内干物质积累优于采收。在养分来源方面，施用50% RDF + 2吨/公顷禽粪显著提高了干物质积累。

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来源期刊

Indian Journal of Agronomy Agricultural and Biological Sciences-Agronomy and Crop Science

CiteScore

0.50

自引率

0.00%

发文量

期刊介绍： Indian Journal of Agronomy welcomes concise articles presenting original research data based on field experiments on all aspects of agronomy in different crops and related cropping systems. • The journal publishes only full length comprehensive articles based on new approaches/findings in English only. • Review articles are also considered but these are normally solicited by Editorial Board. However, the authors who wish to contribute a review on their own based on their standing in the relevant field may contact the Secretary or Chief Editor with a broad outline before submitting the manuscript.