Effect of Soil Crusting on Seedling Growth in Contrasting Sorghum Lines
نویسندگان
چکیده
منابع مشابه
SOIL AND CROP MANAGEMENT Seedbed Surface Geometry Effects on Soil Crusting and Seedling Emergence
straw intercepted drop impact energy or surface applied powdered phospho-gypsum reduced aggregate disperSeedling emergence is the crucial first step in crop establishment; sion the infiltration rate decreased more gradually, rehowever, crops frequently must penetrate or lift a thin, dense, soil quiring approximately 45 min to reach 10 mm h 1, comlayer called a crust, which is formed by drop imp...
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The excessive increase of jellyfish swarms could threaten the fishers and the marine food chain. The aim of research was to evaluate the potential benefit of the jellyfish as a fertilizer for different trees. The greenhouse experiment was conducted at Kutan, Chuncheon, South Korea using two tree species. Jellyfish was applied to soil before planting at different application rates (1.6, 2.7, 5.5...
متن کاملthe washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests
در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است
15 صفحه اولEffect of rice straw and wood chips on Soil erosion and seedling growth on the fill slope of forest roads
Extended abstract 1-Introduction Erosion is a geomorphologic and natural process that is always seen across the world, but this process is triggered by human activities, such as road construction, resulting in a significant negative impact on water resources, soil, environment and national economy. According to the above, preventing soil erosion is an important target in the management and...
متن کاملthe effect of e-64 on the developmental competence of sheep cocs during in vitro maturation
in the present study, the effect of e-64 at different concentrations (0.5, 1, 5 and 10 µm) added to (1) the ivm medium on oocyte nuclear maturation and developmental competence of ovine oocytes, and (2) to the ivc medium on embryonic development of ovine embryos were investigated.
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ژورنال
عنوان ژورنال: Experimental Agriculture
سال: 1992
ISSN: 0014-4797,1469-4441
DOI: 10.1017/s0014479700023000