نتایج جستجو برای: split plots
تعداد نتایج: 76673 فیلتر نتایج به سال:
In order to study the effect of planting dates and genistein on nitrogen content and nodulation of three annual Medicago species (Medicago polymorpha cv. Santiago M. rigidula cv. Ragidula, and M. radiata cv. Radiata), an experimental study was conducted during 2004-2005 on the Research Farm of Faculty of Agriculture, Tarbiat Modares University, Tehran (35°43′N and 51°8′E). The factors were arra...
To investigate the effect of different planting dates (November 1-2018, December 1-2018 and December 31-2018) as the main factor, different salinity levels of the irrigation water (2, 7 and 12 dS/m) as the sub-plots factor and different irrigation regimes (including irrigation at 5 critical stages of the growth period, 2 stages of germination and flowering and 0 irrigation) as the sub-sub-plots...
Abstract Enhancing plant nutrition during critical periods of water stress is a paramount objective. As such, this study aims to examine the effects that arise from implementing regimes sensitive growth phases groundnut. Furthermore, we will explore impact applying cobalt and potassium humate individually or in combination, either through foliar application (KH-F) soil amendments (KH-S), mitiga...
In this study, Hungarian vetch (Vicia pannonica Crantz) ‘HV’ production, under different tillage systems (zero ‘ZT’, reduce ‘RT’ and conventional ‘CT’) seed ratios (80, 100, 120, 140, 160 kg ha-1) was evaluated in yield, protein content profitability for forage seed. This two-year study conducted Yozgat-Turkey conditions 2014-2015 2015-2016 seasons. The experiments were arranged split-plot, wit...
This study setout to investigate the effect of wheat residue, tillage, and nitrogen fertilizer management on some agronomic traits of soybean as a split split plot based on randomized complete block design with three replications. The main plots included wheat residue management: collecting and leaving residue and sub plot included tillage (without tillage and conventional tillage), and the sub...
In tea plantation regions of northern part of the country, application of supplemental irrigation during dry periods (lacking rainfalls) in conjuction with proper nitrogen fertilizer application can significantly improve tea yield per unit of plantation area. In order to quantify the effectiveness of proper irrigation and nitrogen management on tea, the response of tea to various levels of irri...
The use of soil cover plants and alternative sources nitrogen fertilization can promote improvements in the biological characteristics soil. objective this study was to determine contribution isolated and/or intercropped cultivation ground crops autumn/winter poultry litter as a source N wheat crop succession on mesofauna macrofauna community. experimental design randomized blocks, with split p...
Abstract A field experiment was carried out in Alsufia - Al-Ramadi city Al-Anbar governorate Republic of Iraq at winter season 2020-2021 on sandy loam soil. The included 12 treatment resulted from the combination planting date Oct25, Nov10, Nov25 and Dec10 ( main plots) kinetin concentration 0,30 60 mg L -1 sub plots ) using RCBD with split plot arrangement three replications. results revealed ...
This study aimed to evaluate the effect of different nitrogen fertilizer sources and rates on morphophysiological characteristics use efficiency maize. The experiment was set in Campos Novos, Santa Catarina State, Brazil, during 2016/2017 2017/2018 growing seasons. experimental design a randomized block with treatments arranged split plots. Four were evaluated main plots: conventional urea, pro...
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