Light Intensity and Fertilizer Concentration: I. Estimating Optimal Fertilizer Concentrations from Water-use Efficiency of Wax Begonia
نویسندگان
چکیده
منابع مشابه
Nutrient/fertilizer use efficiency: measurement, current situation and trends
Nutrient use efficiency (NUE) is a critically important concept in the evaluation of crop production systems. It can be greatly impacted by fertilizer management as well as by soiland plant-water management. The objective of nutrient use is to increase the overall performance of cropping systems by providing economically optimum nourishment to the crop while minimizing nutrient losses from the ...
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this study evaluated the irrigation water management and different amounts of boron fertilizer affacts on yield and and water use efficiency of sugar beet. the two-factor factorial design in randomized complete block with three replications of irrigation and different levels of boron fertilizer for three years (2000-02) was designed in qazvin. the main four irrigation treatments were t1, t2, t3...
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Introduction Conclusions References
متن کاملOff-Farm Labor Supply and Fertilizer Use
I develop a two-period stochastic dynamic programming model to explain the interaction between fertilizer use and off-farm labor supply. I use a well-known sample of farmers in the semi-arid tropics of India to test the model. I find that fertilizer use responds strongly to wages in the village labor market and that irrigation raises fertilizer use, while larger farmers use less fertilizer than...
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This study focuses on the development of a method which makes it possible to remove a maximum amount of water from urine whilst keeping nutrient losses as low as possible. With this goal in mind, three different urine drying systems, so-called as batch, circulation and continuous systems, were designed and assessed in Can Tho University. Their operations are based upon the principle of solar di...
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ژورنال
عنوان ژورنال: HortScience
سال: 2004
ISSN: 0018-5345,2327-9834
DOI: 10.21273/hortsci.39.6.1287