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Response of industrial hemp to Salsola kali subsp. tragus densities under organic and conventional fertilisation
Weed Research ( IF 2.2 ) Pub Date : 2020-05-19 , DOI: 10.1111/wre.12429
Mohammad Akrami‐Dizaj 1 , Vahid Sarabi 1
Affiliation  

A 2‐year field study was conducted to determine the effects of different nutrition systems and Salsola kali subsp. tragus densities on industrial hemp yield and its components. Experiments were conducted as a split plot in a randomised complete block design with three replicates. Factors were fertilisation (poultry manure, vermicompost and nitrogen fertiliser) as the main plot and weed density (0, 5, 10, 15 and 20 plants/m2) as the subplot. Results indicated that the maximum number of racemes per plant, seeds per raceme, 1000‐seed weight, biomass, grain yield and harvest index (HI) of industrial hemp were obtained using vermicompost and were reduced with nitrogen fertiliser application. All measured properties in hemp plants decreased due to increasing S. kali subsp. tragus density, especially at 15 and 20 plants/m2. The most significant reduction in hemp grain yield and its components was observed by increasing weed density with the application of nitrogen fertiliser. The application of vermicompost at high weed densities resulted in greater hemp grain yield and its components compared with nitrogen fertiliser. It is recommended to apply organic fertilisers, especially vermicompost at high S. kali subsp. tragus densities.

中文翻译:

工业大麻对Salsola kali亚种的反应。有机和常规施肥下的耳屏密度

进行了为期2年的现场研究,以确定不同营养系统和Salsola kali亚种的影响。耳屏在工业大麻产量及其组件的密度。在三个完整重复的随机完整块设计中,以分裂图的形式进行了实验。主要因素是施肥(家禽粪便,ver粉和氮肥),次要因素是杂草密度(0、5、10、15和20株/ m 2)。结果表明,使用ver堆肥获得了每株植物的总外消旋体数量,每株外消旋体的种子,1000粒重,生物量,谷物产量和收获指数(HI),并随着施氮肥而降低。大麻植物中所有测得的特性由于增加而降低卡利酵母亚种 耳屏密度,尤其是在15和20植物/ m 2时。通过使用氮肥增加杂草密度,可以观察到大麻籽粒产量及其成分的最大幅度降低。与氮肥相比,ver草在高杂草密度下的施用可提高麻籽产量及其组成。建议使用有机肥料,尤其是高卡力亚种中的ver粉。耳屏密度。
更新日期:2020-05-19
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