Two field experiments, organized in randomized complete block design, were conducted in 2005 and 2006 farming seasons at Nyankpala in the Northern Region of Ghana to investigate the effects of planting depth (1, 2, 4, 6 and 8 cm) and land preparation methods (flat field, mounding and ridging) on crop establishment (percentage number of established plants) and grain yield of soybean (Glycine max...

Longleaf pine is a highly desirable species, resisting fire, insects and pathogens, and produces quality solid-wood products, but regeneration of the species has been difficult. Natural regeneration is feasible only on a small portion of the area considered to be longleaf pine type. Therefore, artificial regeneration must become a reliable means of regenerating the species if restoration of the...

the background of consideration to local and national characteristics of land preparation management in development plans is recently and also of old. it is of old because it is traced back to human presence in land area and definition of the land and curiosity about life. it is recent because it has been begun in the last 100 years and it started mainly in the half of the past century and afte...

the box of seed was four times the cost of conventional seed. When several rainless days had passed after planting, she went into the field with a hired worker to hand-water each seed to ensure germination-an extraordinary level of attention to a cotton field. Such fields were later used to calculate the " yield advantage " of Bt seed.

Feeding the ever-growing Ethiopian population with the continuously shrinking land holdings and nutrient depleted soils is going to be very difficult to say the least. The realistic option under the current Ethiopian scenario is to increase the food productivity per unit of land. The science and the technological options available to realize higher productivity than what the average Ethiopian f...

A capture-mark-recapture study was conducted in crop fields in Morogoro, Tanzania, to investigate how the population dynamics of multimammate field rats, Mastomys natalensis, was influenced by the commonly practised land preparation methods and cropping systems. Two land preparation methods (tractor ploughing and slash and burn) and two cropping systems (mono-cropping with maize and inter-cropp...

Today, planting winter cover crops to reduce herbicide is high considered. The purpose of this study was to examine the effect of barley grass cover crop on control weed of flix weld (Descurainia Sophia). This experiment was conducted at agricultural farm of Rezvan Junior College in kerman provinces (latitude 25 55 / N, longitude 53 26 / E , altitude 1755m) from September 2010 to April 2011. A ...