Physical aspects of the root and seed environment in lowland soils
1985
Singh, N.T. | Aggarwal, G.C. | Woodhead, T.
Lowland soil differed in pore size distribution and moisture status from upland soils of similar texture. Pore size and moisture status strongly influenced other physical properties of the soil that affect plant growth. A predominance of small pores increased moisture retention, decreases aeration, altered heat relations and caused a rigid soil structure. Favorable temperature and good seed-soil contact to ensure adequate water supply were necessary for germination. Proper aeration and low soil strength were necessary for seedling emergence. Root growth and function also required suitable regimes of air, water and temperature. If root growth was efficacious, so also may be above ground plant growth and yield. In rice-based cropping systems, the successive crops may require differing soil physical environments, and soils must be managed accordingly
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