The study was carried out at Abo Jarash farm, Faculty of Agriculture,
Damascus University, during the growing season of 2012, where the maize
cultivar "Gouta 1" was grown in three agricultural spacings (20, 30 and 40 cm
between plants in the same
row), with a fixed space (70 cm) between rows,
according to the randomized complete block design and three replicates per
treatment, in order to study the effect of the studied agricultural spacing on the
following characters: plant height, length and weight of ear, number of kernel
rows per ear, number and weight of kernels per ear, net percentage, hundred
kernels weight, the kernel yield, the dry yield and the oil and protein contents
in the kernels. Results showed a significant decrease in plant height from
155.31 to 130.10 cm, while a significant increase was observed in number of
kernels per ear (from 310.05 to 373.82 kernels), in weight of kernels per ear
(from 41.20 to 65.17 g) and in net percentage (from 61.61 to 91.51 %),
respectively with the increase of agricultural spacing from 20 to 40 cm.
However, the increase in these characters didn’t substitute the small number of
plants in the vast spacing compared with the narrow spacing, which is reflected
in kernel yield per unit of area that amounted to 3.19 and 2.04 tons/ha,
respectively.
The field experiment was conducted Al Raqqa research station, the General
Commission for Scientific Agriculture Research (GCSAR),. during the
2011/2012- growng season to compare quality traits of four monogerm fodder
beet varieties, i.e. Jamon, Sp
lendids, Starmon and Vermon. The experiment
was run in Autumn during November and in Winter during January.
Experiment was carried out in accordance with the split plot design with three
replications. The results of the comparison test T-Test preference fodder beet
cultivation in the autumn compared with winter, but by a small percentage in
most of the quality traits. The results also showed that the monogerm variety
Vermon was the best in most of the quality traits as compared with the other
varieties, followed by Starmon. It was recomended to cultivate fodder beet in
both autumn and winter under Al Raqqa conditions, but after conducting a
complementary researches concerns the other agricultural treatments as, lifting
time, plant spacing, fertilization …etc, and to test more monogerm and
multigerm varieties from different sources.
This investigation was carried out at the experimental Station of the College
of Agriculture and Veterinary Medicine, King Saud University, Al-Qassim,
Saudi Arabia, during the growing season 2001/2002. The objectives of the
research were to study
and evaluate the productivity, morphological and
physiological behavior of alfalfa (Medicago sativa L.) plants grown under palm
trees environment.
The results proved the important effects of palm trees shading on alfalfa
growth, development and productivity. Significant differences were observed
between the control treatment and the two other treatments. The results also
showed a significant increase in fresh and dry weight and quality
characteristics except for fat percentage. This percentage increased gradually
from treatment 1, which was located under palm trees, to treatment 2, which
was located between palm trees to the control treatment, which was located
away from palm trees, where there was no shading. The morphological and
physiological characteristics did not significantly change in spite of the existed
changes among their means.
