Maize (Zea-maize L.) Grain Yield Response to Nitrogen Applied at Different Distances Away from the Row PDF Download
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Author: Jacob P. Vossenkemper
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Category :
Languages : en
Pages :
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Author: Jacob P. Vossenkemper
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Category :
Languages : en
Pages :
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Author: Daniel Ethan Edmonds
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Category :
Languages : en
Pages :
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Category : Fertilizers
Languages : en
Pages : 494
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Author: Jiban Shrestha
Publisher: Universal-Publishers
ISBN: 1612334407
Category :
Languages : en
Pages : 133
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A field experiment was conducted at farmer’s field of Anandapur, Mangalpur VDC-3, Chitwan, Nepal during winter season from September 2006 to February 2007 to study the effects of nitrogen and plant population on maize. Fifteen treatment combinations consisting of five levels of nitrogen: 0, 50, 100, 150 and 200 kg N/ha and three levels of plant population; 55555 plants/ha (60 cm × 30 cm spacing), 66666 plants/ha (60 cm × 25 cm spacing) and 83333 plants/ha (60 cm × 20 cm spacing) were tested in factorial randomized complete block design (RCBD) with 3 replications. “Rampur Composite” variety of maize was planted on sandy silt loam and strongly acidic soil having medium in total nitrogen (0.123%), high in soil available phosphorous (77.56 kg/ha) and low in soil available potassium (23.25 kg/ha). The research findings revealed that each level of nitrogen significantly increased grain yield upto 200 kg N/ha. The grain yield (6514.48 kg/ha) obtained under 200 kg N/ha was significantly higher than that of 0, 50, 100 and 150 kg N/ha. The percent increment in yield due to application of 50, 100, 150 and 200 kg N/ha was to the extent of 62.11, 104.74, 135.68 and 154.74%, respectively over control. Significant effect on grain yield due to different levels of plant population was observed. The grain yield (5113.46 kg/ha) obtained under 66666 plants/ha was statistically at par with that under 83333 plants/ha, but significantly superior over that under 55555 plants/ha. The interaction between different nitrogen levels and plant densities on grain yield showed that the highest grain yield (6925.79 kg/ha) was obtained under treatment of 200 kg N/ha + 66666 plants/ha. The yield attributes namely number of cobs/plant, cob length, cob diameter, number of grain rows/cob and 1000 seed weight significantly increased with increasing N levels and decreasing plant population levels. The number of barren plants/ha decreased with increasing levels of N but increased with increasing levels of plant population. The net return (Rs. 42188.74/ha) and benefit:cost ratio (1.67) obtained under 200 kg N/ha were significantly highest than that obtained under other levels of nitrogen (150, 100, 50 and 0 kg N/ha). The plant population of 66666 plants/ha gave the highest net returns (Rs. 25812.28) which was 10.19 and 49.64% higher than that of 83333 plants/ha and 55555 plants/ha, respectively. The benefit: cost ratio (1.44) obtained under 66666 plants/ha was significantly higher than that of 55555 and 83333 plants/ha. The interaction between different nitrogen levels and plant densities on economics of maize production showed that significantly highest net return (Rs.48606.98) and B:C ratio (1.78) were under treatment of 200 kg N/ha + 66666 plants/ha. The highest grain yield and maximum profit were obtained when maize variety “Rampur Composite” was planted with 200 kg N/ha and plant population level of 66666 plants/ha (60 cm × 25 cm spacing).
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Category : Water
Languages : en
Pages : 746
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Author: Wolde Tasew
Publisher: GRIN Verlag
ISBN: 3346339513
Category : Technology & Engineering
Languages : en
Pages : 25
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Research Paper (postgraduate) from the year 2021 in the subject Agrarian Studies, grade: 1, , course: Agriculture, language: English, abstract: A field experiment was conducted during 2019 main cropping season at Boloso Sore district with the objective of evaluating different maturing varieties and row spacing on yield and yield components of maize. Four row spacing (50, 65, 70 and 80 cm) and three maize varieties (BH-540, BH-543 and BH-547) were tested in factorial arrangement laid out in RCBD replicated three times.This work analyses the study and presents its results. Maize is one of the most important cereal crops in the world. It ranks third in world production after wheat and rice. Ethiopia is the fourth largest maize producing country in Africa, and first in the East African region in terms of production. Presently maize is widely grown in most parts of the world over a wide range of environmental conditions ranging between 50o latitude north and south of the equator. Maize is an important field crop in terms of area coverage, production and utilization in Ethiopia. It ranks second in area coverage (after teff) and first in total production among cereals. It is grown for its food and feed values and one of the most important staples and cash crops and the main sources of calories. In view of its high demand for food grains and high yield per unit area, maize has been among the leading food grains selected to achieve food self-sufficiency in Ethiopia.The major maize producing regions in Ethiopia are Oromia, Amhara, and SNNPRS in descending order. The national average productivity of maize was 4.09 ton ha-1. In SNNPRS, maize ranked first in terms of area coverage and production among cereals and its average yield was 3.93 ton ha-1. Wolaita zone is one of the most important maize producing zones in SNNPR State. According to CSA report, at Wolaita zone, maize is the first leading crops among cereals in area coverage, and its zonal average yield was 3.01 tha-1.
Author: Shahid Iqbal
Publisher: LAP Lambert Academic Publishing
ISBN: 9783848423552
Category :
Languages : en
Pages : 96
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Maize is widely grown cereal crop. It serves three main purposes, as a food for human consumption, feed for livestock, poultry and raw material for agro-based industries. It is also utilized as a commercial crop to manufacture various products due to its highly nutritive value. Maize require high amount of nutrients for its growth & development. Thus integrated use of organic & inorganic sources of nutrients could be higly effective in improving maize yield. So, a study was conducted to evalute the effect of different sources of nitrogen on the production potential of spring maize (Zea mays L.). This book provides a piece of knowledge for upcoming research in the filed of plant nutrition.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1238
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Includes abstracts of the annual meetings of the American Society of Agronomy; Soil Science Society of America; Crop Science Society of America ( - of its Agronomic Education Division).
Author: A. Rifin
Publisher:
ISBN:
Category :
Languages : en
Pages : 183
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The study was conducted from February to September 1987 at the Central Experimental Station, UPLB (a) to evaluate the efficacy of rice straw and maize stover mulch in optimizing growth and yield of maize, (b) to determine the effect of nitrogen fertilization under simulated dry-land farming on maize production, and (c) to measure the residual effect of mulch and nitrogen using maize, mungbean and cowpea as the test crops. Nitrogen and mulch application, but not irrigation, significantly affect most of the parameters in this study. Nitrogen application increased plant height, crop growth rate, leaf area index, nutrient uptake, grain yield and dry matter production. It lowered leaf area ratio and barrenness of maize ears and induced early silking in maize. As aresult of luxuriant growth, nitrogen application helped reduce the maximum soil temperature and increased the water utilization by maize plants. Rice straw was a better mulching materials than maize stover. Mulch, particularly rice straw, improved IDM accumulation, plant heit, leaf developement, grain yield and nitrogen uptake. The effectiveness of rice mulch in conserving soil moisture and maintaining a low maximum soil temperature especially when soil moisture became low was observed. Residual of nitrogen application and mulching treatment were detected but the response depend on the test crop species used. The most clear-cut case was observed with mungbean, where residual mulching effect resulted in a two-fold increase in bean yield. The residual (...).
Author:
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Category : Agriculture
Languages : en
Pages : 938
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