This experiment was designed to determine the effect of spent mushroom substrate, farmyard manure, and mineral fertilization with nitrogen, phosphorus, potassium on yield quality raw material obtained from two cultivars (“Słoneczko” “De Dolj”) common thyme. Unfertilized plots thyme crops were included as control treatment. Different row spacings (30 cm 40 cm) represented second experimental fac...

the aims of this study were to investigate the energy flow and its modeling in shablon cultivar of plum production in golestan province of iran. data were collected through questionnaires and also interviews with producers. cobb-douglass model and sensitivity analysis were used to determine the effects of energy inputs on plum yield. the results revealed that the total energy inputs and energy ...

Quantification ofnutrient andmass loss during composting isneeded ωunderstand the composting process, to implement methods for nutrient conservation, andto reduce potential adverse environmental impact. Beef cattle feedlot manure was composted in a windrow on an open concrete area in 1992, 1993, and 1994 to determine the amounts ofnutrient, C, and mass loss during composting. The area was enclo...