نتایج جستجو برای: irrigation intervals
تعداد نتایج: 215408 فیلتر نتایج به سال:
In this study, the quality of a treated wastewater for agricultural and irrigation purposes was investigated. 39 quality parameters were investigated at the entrance of an effluent channel to the destination plain in monthly time intervals during a year. The aim of this study was drawing an analogy between analyses results and the latest standards in the world (nationwide and internationally), ...
Guar (Cyamopsis tetragonoloba L.) is a tropical drought tolerant crop, potentially proper for arid areas. The objective of present survey was to evaluate the effect of different irrigation regimes and salicylic acid levels on morphological, physiological and seed yield of Guar. The present experiment was conducted as split plots based on randomized complete blocks design with four replications....
In order to determine the effects of number of irrigations on stages of development, yield, and yield components of cumin, an experiment was conducted in 1993 - 94 growing season with a randomized complete block design and four replications. The location of the experiment was Isfahan University of Technology Research Station in Shervedan Field. The irrigation treatments were: I1- Irrigation aft...
Various environmental stresses are one of the most important causes of many problems in agricultural production and drought stress is one of these tensions. Considering the role of nanoparticles in improving the yield and resistance of plants to environmental stresses, this experiment was conducted on Rosa damascena as a factorial experiment based on a completely randomized design with three re...
The periwinkle with the scientific name of Catharanthus roseus is one of the most important ornamental plants of the Apocynaceae family. In order to evaluate the effect of different waters on the amount of the nutrient elements in soil and aerial parts of Catharanthus roseus, a factorial experiment based on completely randomized design was conducted in 3 replications. Experimental treatments we...
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