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100.521  Articles
1 of 10.053 pages  |  10  records  |  more records»
In this manuscript, the dynamics of a fractional-order predator-prey model with age structure on predator and nonlinear harvesting on prey are studied. The Caputo fractional-order derivative is used as the operator of the model by considering its capabili... see more

Natural pasture in Ethiopia is typically low in forage botanical composition, biomass yield nutritive value because of overgrazing and lack of alternative improved forage plants. The field experiment was conducted to determine the effects of plant spacing... see more

Historically, fire has been one of the main determinants of age structure in the forests of British Columbia, but in the face of recurring fires and other disruptive processes, achieving a stable forest age-class structure for sustainable harvesting is a ... see more

Purpose of this research was to analyze the correlation between the factor of age with fatigue of worker, the factor of working experience with fatigue of worker, the factor of age and working experience with fatigue of worker, and fatigue of workers... see more

Loan for delaying timber harvesting known as Pinjaman Tunda Tebang (PTT) launched by the government to help forest farmer in order to fulfill their needs. This program is designed to delay the harvesting of young trees till can reach the cycle age for opt... see more

Jakarta sebagai kota metropolitan memiliki masalah yang kompleks yang berhubungan dengan masalah krisis sumber daya air. Teknik pemanenan air hujan telah menjadi bagian penting dalam agenda pengelolaan sumber daya air dalam rangka untuk mengatasi ketimpan... see more

Jicama or yam bean is Fabaceae Family which is potential as a source of antioxidants as it is rich in flavonoid and phytoestrogen. The research was performed in three stages. Stage I: Making of jicama flour with one factor (harvesting age (U): (3, 4, and ... see more

Survey of cotton fiber yield, in addition to the identification of its best variety can cause cotton residual enhancement. The remainder of cotton stalk in farms is an illness-causing agent and leads to yield reduction in the next cultivation stage, an ev... see more

Abstract: Olive is harvested mainly by hand in the Mediterranean. This resulted in steady rising of harvesting cost due to shortage of skilled labors at harvesting time. Operation cost might be reduced and harvesting processes will be carried out on time ... see more

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