نتایج جستجو برای: less than 625 individuals per hectare

تعداد نتایج: 2634328  

Journal: :E3S web of conferences 2022

The problem for the company is that its production volume has fallen short of market demand, necessitating creation a business scale. Along with scale growth, market's ability to absorb product must still be considered. As result, study's objectives are 1) understand level investment feasibility orange farming initiatives, and 2) degree which sensitive changes in costs. Using financial analysis...

1999
Everett B. Peterson N. Merle Peterson

Trembling aspen (Populus tremuloides Michx.) generally grows as clones in which stems, ranging from many thousands to only a few, are interconnected by a common root system. When clones are very large, in one recorded case involving about 47␣ 000 stems joined together over a 43 ha area, aspen becomes a candidate for earth’s most massive and oldest organism. Recent analyses suggest that aspen cl...

2007
Thomas Masterson J. Mohan Rao

This essay assesses the relationship between farm size and productivity. Both parametric and nonparametric methods are used to derive efficiency measures. Smaller farms are found to have higher net farm income per hectare, and to be more technically efficient, than larger farms. JEL Classifications: Q12, O12

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

the high yield depends on high dry matter production per unit area. azotobacter bio-fertilizer experiment to investigate the effect on the index, total dry matter accumulation and pishtaz and chamran wheat cultivars in 2005 was conducted in the faculty of agriculture, lorestan university. experiment, a split-plot randomized complete blocks design with four replicates were tested. treatments con...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1392

a large number of single research studies on the effects of strategy-based instruction (sbi) in teaching english as a foreign or second language has been conducted so far. however, the lack of a comprehensive meta-analysis targeting the effectiveness of english language sbi is observed. moreover, the findings of experimental studies regarding the context of the english language, proficiency lev...

2006
H. Bruce Rinker Margaret D. Lowman

In z.n address to inaugurate the invertebrate exhibit at the National Zoo, Washington, DC on Mav 7, 1987, E.O. Wilson called insects "the little things that run the world" (Wilson 1987a). In terris of their diversity, distribution, and abundance, insects are unrivaled as a global ecolo,gical and evolutionary force. "It needs to be repeatedly stressed that invertebrates as a whole are even more ...

2007
Thomas Masterson

This essay assesses the relationship between farm size and productivity. Both parametric and nonparametric methods are used to derive efficiency measures. Smaller farms are found to have higher net farm income per hectare, and to be more technically efficient, than larger farms. JEL Classifications: Q12, O12

براانی‌دستجردی, مهدی, دانش‌شهرکی, عبدالرزاق, رفیعی‌الحسینی, محمد,

In order to evaluate the electrical conductivity and seedling growth characteristics of red bean seed grown under drought stress and foliar application of zinc and manganese, a split factorial experiment was conducted in a Randomized Complete Block Design in the field and also laboratory experiment at Shahrekord University in 2011. Factors included three levels of drought stress (irrigation aft...

2007
A. E. Ghaly H. A. Farag

A hydroponic system was developed and used for purification of an anaerobically treated dairy manure and production of forage crops. The effect of light duration, seeding rate and wastewater application rate on the crop yield and pollution potential reduction were studied. The results indicated that a wheat forage crop can be produced in 21 days from germination to harvest in this system and re...

2004
A. Ortega-Rubio H. Romero C Arguelles A. Naranjo R. Aguilar F. Salinas A. Rodriguez V. Serrano A. Castellanos

At the Northwest coast of Mexico the severely limited freshwater supply, and the geographic isolation determines the scarcity of productive activities. Specially at Baja California Sur. Aquaculture is a major productive alternative for the economic development of this State. Despite the aridity, the natural vegetation of Baja California Sur is diverse and structurally complex with a high percen...

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