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The traditional shifting cultivation system in the lowlands of Papua New Guinea consists of mixed food crop gardens in which yams (Dioscorea spp.), bananas, taro (Colocasia esculenta) and sugarcane predominate. The cropping cycle is usually for 18 months, followed by a fallow cycle of up to 30...
Artocarpus lakoocha Roxb. of the Moraceae family is cultivated in Nepal as a fodder tree. The crude protein, crude fibre and mineral contents of the fodder tree leaves were investigated during the lopping season from November 1980 to March 1982 at 800 m, 1200 m and 1550 m in eastern Nepal. The...
A key to understanding the biological potentials and restraints of agroforestry systems, and the environmental responses of plant components within them, is the ‘tree/crop’ interface. All agroforestry systems can be studied by separating the growth and yield characteristics of the three basic...
Portfolio theory is used to analyse the risk of hypothetical agroforestry systems. It is shown that the relationship of the returns of the components of an agroforestry system, expressed in terms of the covariance or correlation of returns, is of vital importance in correctly defining risk....
Recommendations for planting pines usually include providing a competition-free site to assure establishment and good early growth. When combining pines and pasture in agroforestry systems, the possibility of planting pines directly into a pasture sod without site treatment would be economically...
Babassu palms (Orbignya spp.) cover nearly 200,000 km2 in Brazil, providing cash income, fuel, fibre, edible oil and food to a large number of tenant farm households. Babassu is closely integrated within pastoral and shifting cultivation systems of Mid-North Brazil. In pastures, babassu provides...
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