Directory UMM :Data Elmu:jurnal:E:European Journal of Agronomy:Vol11.Issue3-4.Nov1999:
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![Fig. 2. Dynamics of atrazine residue concentrations (mg/l ) in porous cups according to the method of atrazine application [averageatrazine residue concentrations (mg/l): broadcast application: 1.95; band application+mechanical weeding: 0.52].](https://thumb-ap.123doks.com/thumbv2/123dok/3125760.1380216/5.842.118.439.53.243/concentrations-application-averageatrazine-concentrations-broadcast-application-application-mechanical.webp)
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The sum of the amount of nitrogen in crop and soil at harvest without nitrogen application in Experiment 1 (234 kg ha ÿ1 ), in comparison with the amount of mineral nitrogen in the
Except for 1993 at l’Assomption interrow tillage plus cover crop treatments had consistently lower weed biomass when compared to the weedy control.. Most of the weed control was due
White clover leaf, stolon and flower dry matter and percentage of above-ground yield from plants grown in the greenhouse individually , with shoot interaction or with both
Therefore in 1992, the root distribution pattern of an established Miscanthus crop was measured in field trials using the trench profile and the auger methods.. Also, in 1994 /
The sensitivity was greatest at the early stage (‘leaf ’), when a temporary soil water stress reduced the biomass production by up to 30 % with respect to the control and WUE was 4.8
Water uptake by the plant is deter- The overall mean yield simulated for the catch- mined by the rooting depth and root density, both ment was calculated after temporal scaling of
In the Mediterranean zone, e ff orts to optimize combinations of supplemental irrigation (SI ), improved varieties, nitrogen (N ) and sowing dates aim to improve and stabilize
Ž. There was no significant difference between the performance of silver perch fed the two test diets. The diet ingredient cost to produce 1 kg fish was significantly lower for
