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Effects of zeolite and vermicompost applications on potassium release from calcareous soils
available K Iran K fertility kinetic models non-exchangeable K
2015/3/10
Zeolite and vermicompost applications to soil may improve K fertility of soils. For this purpose, these materials were added to five representative calcareous soils collected from southern Iran. The t...
The effects of soil boron and calcium applications on boron and calcium uptake in Durum wheat (Triticum durum L.)
Boron boron toxicity calcium Durum wheat
2011/1/12
Recently, boron (B+) toxicity has received a great deal of attention as it decreases yield of crops significantly. In this study, we investigated whether the application of different levels calcium (C...
Evaluation of the SPAD Value in Faba Bean (Vicia faba L.) Leaves in Relation to Different Fertilizer Applications
Chlorophyll Faba bean Nitrogen Nutrition Organic materials SPAD-502 meter
2009/7/29
The correlations of the reading of a portable chlorophyll meter (SPAD-502) with the chlorophyll and N contents of leaves of two faba bean (Vicia faba L.) cultivars, Japanese (Ryousai-issun) and Egypti...
Absorption and Translocation of Foliar Applied Urea in Satsuma Mandarin during the Sprouting Stage —Effect of Number of Applications and of the Combination with Petroleum Oil Emulsion—
15N-tracer method old leaf utilization rate
2009/7/6
The absorption and translocation of urea applied to the foliage of satsuma mandarin at the sprouting stage was monitored for two years using the 15N-tracer method in potted and field-planted trees. Ur...
Effect of Regional Different N-Fertilizer Applications on Nitrate Accumulation in Winter Vegetables Grown on Tokat Region
Nitrogen fertilizer applications nitrate winter vegetables
2009/1/14
The main object of this study was to observe the effect of regional N-fertilizer applications on the nitrate accumulation of some winter vegetables grown on farmer's fields located at different parts...