Abstract
A field trial was carried out at the fields of Baghdad University - Jadriya for the first location during the summer season of 2018, while the second location was in Mishkab Rice Research Station, Al-Najaf al-ashraf governorate during the summer season of 2019. This study was aimed investigate rice (Oryza sativa cv. Anber) response to foliar application of nutrition with the use of different herbicides. The design was RCBD wihin using split plot arrangement four replicates. The nutrition treatments; (Humic acide, Seaweed, Nano fertilizer, Normal fertilization and Without fertilizer) were in main plots. Herbicides treatments (Ronstar, Oscar, Rainbow, Super flag, weed free and weedy) occupied the sub plots.The results indicated that Ronstar herbicide was superior in giving the lowest average weeds density value 6.55 and 9.60 plant m-2 respectively, and highest average of grain yield was 2.53 and 3.42 t.h-1, respectively. The normal fertilization treatment was superior gave the highest average grain yield value 3.07 and 4.13 t h-1. As for the effects of interaction, the Ronstar combination with normal fertilization gave highest grain yield value 3.55 and 4.59 t h-1, respectively. Concluded from this trial that the Ronstar herbicide is the best among the herbicides used with different fertilization treatments by achieving the highest averages with most of the studied charactristics.
Highlights
وأُعيد تنفيذها في محطة2018 جامعة بغداد – الجادرية للموسم الصيفي- نفذت تجربة حقلية في حقول كلية علوم الهندسة الز ارعية
A field trial was carried out at the fields of Baghdad University - Jadriya for the first location during the summer season of 2018, while the second location was in Mishkab Rice Research Station, Al-Najaf al-ashraf governorate during the summer season of 2019
Herbicides treatments (Ronstar, Oscar, Rainbow, Super flag, weed free and weedy) occupied the sub plots.The results indicated that Ronstar herbicide was superior in giving the lowest average weeds density value 6.55 and 9.60 plant m-2 respectively, and highest average of grain yield was 2.53 and 3.42 t.h-1, respectively
Summary
Many herbicides and many types of nutrients, The optimal use of fertilizers and management and may be there some of them interaction. The experiment aimed to study sources especially with the use of the interaction of the types of leaf nutrients nanofertilizers and the enhancement of with weeds herbicides to give the best yield for photosynthesis efficiency can reduce the rice With the progress of the development in experiment field at a depth of 0-30 cm for the the agricultural field and the emergence of purpose of studying the physical and chemical modern types of fertilizers that are used as a properties of the soil, the samples were soil spray on the shoot, especially since the time of was analyzed and the ratio of soil separations the first addition is at times coinciding with the and soil texture, soil interaction pH and the dates of weeds control, it became necessary to degree of electrical conductivity EC in the know the presence or absence of interaction laboratories of the College of Agricultural between the chemicals used
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