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Time-dependent changes in distribution patterns of soil bulk density and penetration resistance in a rangeland under overgrazing
Bulk density overgrazing penetration resistance
2011/6/29
High soil bulk density and penetration resistance as an indication of soil compaction affect soil infiltration and runoff.
Fractal Geometry in Root Systems:Quantitative Evaluation of Distribution Pattern
Fractal Root box Root length Root morphology Root system
2009/7/28
In order to describe root distribution quantitatively, fractal analysis was applied to root systems. Root systems of soybean and garden pea seeldings grown in narrow root boxes (30×41×2 cm) were sampl...
Regularity in Variation of Leaf Color and Nitrogen Distribution in Half-Leaf Blades by Leaf Position on the Stems of Rice Plants:II. Uneven translocation of nitrogen between outside and inside half-leaves
Chlorophyll meter value Distribution Half-leaf blade Leaf blade width Nodal root Translocation
2009/7/27
We have reported in a previous paper that the outside half-leaf had a smaller volume and deeper leaf color than the inside half-leaf. The half-leaf color was not dependent only on the difference in le...
Varietal Differences of Rice in Differentiation and Degeneration of Secondary Rachis-branches and Spikelets in Terms of Their Nodal Distribution on a Rachis
Degenerated spikelet Differentiated spikelet Ear type Primary tiller Rice Secondary rachis-branch Spikelet number
2009/7/23
The higher number of spikelets in modern rice varieties with higher yielding ability (MVs) results from the higher number of secondary rachis branches (SBs). It is conjectured that rice cultivar Takan...
Comparison of Yield,Dry Matter Distribution and Trunk Cross-Sectional Area of 15 Peach Cultivars Grafted onto Prunus tomentosa Thunb. Rootstocks
Dry Matter Distribution Trunk Cross Peach Cultivars Rootstocks
2009/7/13
To find peach scion cultivars that are productive and compatible with Prunus tomentosa rootstocks, yield, dry matter distribution and trunk cross sectional area were examined using 15 cultivars of sev...