- Effect of some weed management schemes on the yield of rape seed under different levels of nitrogen fertilization

Abstract: Field experiments were carried out , at the experimental farm of the National Research centre , shalakan , kalubia Governorate for two successive seasons to study the effect of different weed control treatments and N – fertilizer levels on weed control , yield and yield components of rape seed.
The best weed control result was obtained by handhoeing treatment . pyrador (Pyrazon + eihofumesate ) at the rate of 3 kg / fed . gave the best results among the chemical treatments used and was followed by metamitron at the rate of 2 kg / fed., while phenmediphan at the rate of 2.5 L . / fed . as postemergence treatment gave the lowest efficacy compared to the above two herbicides .
It was also noted that the efficiency of herbicides was dependent on the level of N . Fertilizer used . Thus under one given herbicide, the dry weight of weeds decreased by increasing the rate of N level used .
All weed control treatments increased the yield of rape (seeds , oil and straw ) significantly compared to the unweeded control . The highest yield was obtained by handhoeing treatment followed by pyrador and then metamitron. There was also a significant increase in the yield by icreasing the level of N up to 60 kg /fed . for seeds and oil , or 90 kg / fed . for straw .
The interaction between N level and weed control treatments was significant in both seasons up to 60 kg N /fed. in the case of seeds and oil and 90 kg N /fed . in the case of straw .
Publication year 1988
Pages 2171-2183
Availability location المعمل المركزى لبحوث الحشائش -9ش الجامعة -مركز البحوث الزراعية - جيزة
Availability number
Organization Name
serial title Annals of Agric. Sc., Moshtohor
Author(s) from ARC
External authors (outside ARC)
    محمد عمر كابش Botany Dept , National Research center , Dokki , Giza
    تودي غريب بحيري Botany Dept , National Research center , Dokki , Giza
Agris Categories Protection of plants - General aspectsWeeds and weed control
AGROVOC
TERMS		 Brassica napus. Weed control.
Publication Type Journal
↑