نتایج جستجو برای: irrigation disruption at vegetative growth stage
تعداد نتایج: 4541257 فیلتر نتایج به سال:
Drought is a major factor limiting growth and development of crops such as mung bean (Vigna radiate (L.) wilczek) in arid and semi-arid regions of the world. This study was conducted to investigate the effects of different timing and severity of drought stress on physiological traits of mung bean and its relation to grain yield. A field experiment was carried out during 2004 growing season at E...
Effect of several irrigation of sugar industry effluent was studied on vegetative and yield characteristics of L. var. Varuna type 59. Crop showed vigrous enhancement in almost all the vegetative and yield characteristics studied and generally it was seen that the enhancement in vegetative and yield characteristics are directly related to the number of irrigation with sugar industry effluents. ...
rainfall deficiency and the development of salinity in iran are the most important factors for using new salt and drought-resistant plants instead of conventional crops. kochia species have recently attracted the attention of researchers as a forage and fodder crop in marginal lands worldwide due to its drought and salt tolerant characteristics. this field experiment was performed at the salini...
in order to study the effect of nitrogen on competition between wild oat (avena fatua) and wheat (triticum aestivum) at vegetative growth stage, a factorial experiment was conducted based on completely randomized block design with three replications in research greenhouse of faculty of agriculture, at ferdowsi university of mashhad in 2008. first factor was five densities (0, 2, 4, 6 and 8 plan...
Drought is a major factor limiting growth and development of crops such as mung bean (Vigna radiate (L.) wilczek) in arid and semi-arid regions of the world. This study was conducted to investigate the effects of different timing and severity of drought stress on physiological traits of mung bean and its relation to grain yield. A field experiment was carried out during 2004 growing season at E...
this study was conducted to evaluate the impact of deficit irrigation and growth stages on yield and yield components of potatoes and water use efficiency. a field experiment was conducted at shahrekord agricultural research station over three years of crop seasons using a randomized complete block design with three replications. plots were assigned to five levels of deficit irrigation treatmen...
Phenology is a broad science topic of Ecology. Study of phenology for regulating of animal grazing programs and determining of palatability and nutritive value of plant species at different stages of vital in range is important. This study was carried out to determine the chemical composition and nutritive value of Salsola vermicolata and Suaeda fruticosa that are halophyte plants, in three phe...
The effects of irrigation water salinity (12 dS m−), imposed at maximum tillering (35−40 days after sowing, DAS) or booting (50−60 DAS) or grain filling (75−85 DAS) stage of wheat, on growth and yield of the crop was demonstrated. The experiment comprised four treatments – I1: irrigation by fresh water (FW) at all three growth stages (control), I2: irrigation by saline water (SW) at maximum til...
in order to study the effects of different salinity levels on turnip (brassica rapa l.), an investigation was conducted at yasouj university, iran, in 2010. the effects of four salinity levels including 1.92, 9.87, 19.6 and 21.94 ds m-1 (20:1 ratio of nacl: cacl2 in hoagland solution) on germination, vegetative and maturity stages of turnip (baherghan landrace) were investigated. the results re...
Forage quality is one of the most important factors that is necessary for proper nutritional management of livestock from rangelands. The most important quality factors of plants are crude protein, ADF, crude fiber, metabolic energy and digestible dry matter. The present study was conducted to evaluate the forage quality of high-yielding herbaceous species (Astragalus brevidens and Astragalus v...
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