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Long-term yield patterns in barley-based cropping systems in Northern Syria. 2. The role of feed legumes
Rotations of barley with feed legumes produce more biomass and crude protein than barley-fallow and continuous barley sequences, but scope remains to improve the potential value to farmers of feed legume-based systems. ...
Advanced Statistical Analysis of Multi-location Variety Trials
This module aims to develop the participants' skill in designing multi-locational plant variety trials carrying out the statistical analyses of the day generated from such designs, interpretation and presentation of the ...
Time trends in crop yields in long-term trials
Trends over time in annual crop yields potentially provide measures of the likely long-term sustainability of cropping systems. However, where large annual variability in the growth environment is responsible for most of ...
Long-term yield patterns in barley-based cropping systems in Northern Syria. 1. Comparison of rotations
Trials, reflecting the feed needs in dry Mediterranean environments of small-ruminant production systems based on barley, were established at two sites in Syria in 1982. They compared various 2-course rotations of barley ...
On-farm trials with forage legume-barley compared with fallow-barley rotations and continuous barley in north-west Syria
Over a period of seven years farmers participated in trials in which common vetch (Vicia sativa (V)) or chickling (Lathyrus sativus (C)) replaced the fallow in a barley (Hordeum vulgare)-fallow rotation (F) or were introduced ...
Long-term yield patterns in barley-based cropping systems in Northern Syria. 3. Barley monocropping
Results from monocropped barley treatments in long-term rotation (RTN) and continuous barley (CB) trials at two sites were examined for fertilizer effects on yield means and long-term yield trends. In RTN trials, mean ...