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Research on Crops

Interdependence of effects between soil organic matter content and atrazine herbicide on weeds and sweet corn (Zea mays saccharata Sturt) yields 

 



DOI: 10.31830/2348-7542.2023.ROC-875    | Article Id: ROC-875 | Page : 59-67
Citation :- Interdependence of effects between soil organic matter content and atrazine herbicide on weeds and sweet corn (Zea mays saccharata Sturt) yields. Res. Crop. 24: 59-67
YAYAN SUMEKAR, DEDI WIDAYAT AND UUM UMIYATI yayan.sumekar@unpad.ac.id
Address : Faculty of Agriculture, Universitas Padjadjaran, Jalan R. Jatinangor Km 21, West Java, Indonesia
Submitted Date : 16-09-2022
Accepted Date : 5-01-2023
Online Published:

Abstract

One of the efforts to increase sweet corn productivity is to suppress weed growth by using herbicides combined with organic matter. This study aimed at examining the effectiveness of the herbicide atrazine on weed growth, growth and yield of corn plants given different doses of organic C. The experimental design used was divided plot design with three main plots of organic fertilizer levels and six subplots of herbicides which were replicated thrice. The main plot factor was the C-organic content consisting of low (1.02%), medium (2.50%) and high (3.50%). The second factor was the dose of the herbicide atrazine, which consisted of six levels of treatment, namely, no herbicide, atrazine herbicide doses of 1, 1,4, 1,8, 2.2 and 2.6 kg/ha. The results showed that the combination of atrazine at a dose of 1.4-2.6 kg/ha with organic C content was effective in controlling Ageratum conyzoides, Panicum repens and Paspalum conjugatum weeds. Atrazine herbicide treatment at a dose of 2.2 kg/ha affected the length of the cob, the weight of the cob without the cob, the yield of plots and the yield per hectare.

Keywords

Atrazine c-organic herbicide sweet corn weed 

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