نتایج جستجو برای: year experiment

تعداد نتایج: 1030445  

Journal: :Journal of College Student Retention: Research, Theory & Practice 2002

Journal: :علوم گیاهان زراعی ایران 0
چائی چی دریایی

to evaluate the effect of intercropping of sorghum and alfalfa on forage yield and on weed biomass production, different proportions of sorghum and alfalfa intercropping system comprised of 50% - 50%, 25% - 75% and 75%-25%, along with sole cultures of sorghum, and of alfalfa were arranged as split plots in time, while a complete plot design with three replications being used to analyze the data...

Journal: :Agronomy 2023

Soil salinization is a significant obstacle to agricultural development in arid and semiarid regions. While short-term experiments have demonstrated the effective improvement of saline soils through biochar amendment, long-term efficacy sustainably ameliorating such remains uncertain. Addressing this knowledge gap, study investigated effects amendment field setting by applying different rates s...

2009
Suresh Sundaresan Zhenyu Wang

Financial institutions around theworld expected themillennium date change (Y2K) to cause an aggregate liquidity shortage. Responding to the concern, the Federal Reserve Bank of New York auctioned Y2K options to primary dealers. The options gave the dealers the right to borrow from the Fed at a predetermined interest rate. Using the implied volatilities of Y2K options and the on/off-the-run spre...

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