نتایج جستجو برای: lysimeters
تعداد نتایج: 453 فیلتر نتایج به سال:
Abstract Knowing crop evapotranspiration at any time is very important in management of irrigation systems for greenhouse. Changes in evapotranspiration during the crop growth period are described by crop coefficient (Kc), which is defined as the ratio between crop evapotranspiration and reference evapotranspiration. This study was conducted to determine the evapotranspiration of cucumber, tom...
A field experimental study to determine the feasibility of sequestering dissolved selenium (Se) leached from coal-mine waste rock used an iron (Fe)-oxide amendment obtained from a mine-drainage treatment wetland. Thirty lysimeters (4.9 × 7.3 m), each containing 57.7 t (1.2-1.8 m thickness) of mine-run carbonaceous shale overburden, were installed at the Hobet mine in southeastern West Virginia....
Leaching of glyphosate and AMPA as affected by the time elapsed between spraying first leaching event was studied on large-scale lysimeters in a two-year study. The events were induced irrigation interventions able to deliver 336 L, equivalent rainfall 40 mm. Four groups three randomly selected 12 available. They irrigated either one day after herbicide treatment (1 DAT), 7 DAT, 14 DAT or 28 DA...
for a suitable irrigation programming and an efficient management, crop coefficient determination for different plant growth stages are necessary. in this investigation water requirement, single and dual crop coefficient of rosmarinus officinalis l. was determine by drainable lysimeter in a semi-arid climate condition. by using of drainable lysimeter, the exact water requirement and also kc val...
Precise, accurate knowledge of percolation is key to reliable determination soil water balance and a crop’s water-use efficiency. This work evaluated an approach estimate the amount percolated in root zone using content (SWC) data measured at different time intervals. The was based on difference within below effective banana plants A drainage lysimeter used compare estimated data. then orchard ...
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