Several tests were performed on commercially used orchard sprayers with different types of air discharge systems (conventional, cross flow, directional spouts). The measurements were conducted in a hangar on an apple orchard planted in containers. Pure tab water and water with minerals (Mg, Mn, Zn) were sprayed. Water sensitive paper and blotting paper were put in and around the trees to evalua...

Effect of the fungicide tetraconazole on microbial community in silt loam soils from orchard with long history of triazole application and from grassland with no known history of fungicide usage was investigated. Triazole tetraconazole that had never been used on these soils before was applied at the field rate and at tenfold the FR. Response of microbial communities to tetraconazole was invest...

Moth species trapped using the sex pheromone of Stenoma catenifer (LaSalle) as a lure, were registered at 2 commercial avocado orchards (one consisting of “Hass” and other of “Criollo”) and in wild “Criollo” avocado trees in southern Mexico. Traps were maintained for 1 mo in two seasons (dry and wet) on avocado trees under these 3 production conditions, changing the baits each season. Weekly ob...

Consider in R2 the standard lattice L = Z×Z and the origin (0,0). A point (m,n) ∈ L−{(0,0)} is said to be visible if the segment connecting the origin and (m,n) does not contain any other lattice points. Visibility problems have been studied since a century. Perhaps the most celebrated problems are the visible version of Gauss circle problem and the so-called orchard problem (see other problems...

The effects of supplemental mass pollination (SMP) were studied in two Pinus sylvestris seed orchards differing in pollen production. Pollen was dusted over the whole tree during the period of peak female receptivity using a pressurized backpack sprayer. The success of SMP was assessed by means of allozyme markers. In the orchard with high pollen production, detectable differences in SMP succes...

Input requirements in an orchard vary in space and time due to the variability of climate, soil and plant growth. Measurements were carried out in Prunus domestica (plum) orchard in the Werder fruit production area in Brandenburg, Germany. Soil zones in the orchard were identified by means of electrical conductivity. Plant data were captured on the tree and organ level: laser-scanner hits show ...

The aim of this paper was investigating the effects of organic knowledge, perceived consequences, subjective norms,price, and green trust, perceived consumer effectiveness, availability, relative advantage, and organic purchase intention on organic purchase behavior among Iranian consumers as the consumers in a developing country.The survey questionnaire was administered to the customers of lar...

In recent years, both airborne and terrestrial laser scanning developed to a standard technique for acquiring information on terrestrial landscapes. Here forest inventory and orchard management is considered. Inventory and parameterization of individual trees in orchards and forests are of large interest in nowadays society because of the potential of economical maximization of orchard producti...

The aim of this paper is twofold. first objective to measure the technical efficiency mixed crop-livestock (CL) smallholder producers operating under conservation agriculture systems in Tunisian rainfed areas. second explore complementarities, synergies, and economies diversification across different production system components these using cross-partial derivative framework output variables di...

Context & Rationale Despite a probable net reduction in the overall population since independence, there has been a small increase in the number of Armenia’s farming households. Many of these are relatively new and inexperienced farmers with very limited access to capital and farm inputs. Agriculture is the primary employer and accounts for about 28% of the GDP. Yet with few exceptions i.e. som...