Effect of different soil moisture contents on early soybean plant growth
Authors: Zeng, Z., Y. Chen, S. Murray, M. Berthelette, K. Phani Kaja, K. Karuppiah, V. Krahn, E. Sosnowski, M. Sabri
Description: Inappropriate soil moisture content (MC) level leads to undesirable plant characteristics such as poor seed germination, low seedling emergence, and poor crop yields. In this study, soybean seeds were planted in different MC (low, 17.9%, medium, 28.3%, high, 37.7%) in sandy loam soil under laboratory conditions to study the difference in seed emergence and early plant growth. Other related factors such as temperature, relative humidity, soil bulk density, and dry mass of plant were also measured. The results showed that the plants at medium MC had the highest emergence rate, the shortest emergence time, the highest average plant height and dry mass production, as well as the largest number of leaves. Followed by high and low MC, plant growth was significantly hampered due to either depletion of oxygen or moisture deficit. In conclusion, the MC significantly affected plant growth. The emergence and early plant growth were poor either in low or high MC. Soybean seeds should be planted at medium MC for higher emergence rate and better early plant growth.
Keywords: soil moisture content, soybean, emergence, early growth.
Technical field: Biological Systems Engineering
Conference name: CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, 5-8 July 2015.
Session name: Biosystem Management VI - Agricultural and Energy Systems
Citation: Zeng, Z., Y. Chen, S. Murray, M. Berthelette, K. Phani Kaja, K. Karuppiah, V. Krahn, E. Sosnowski, M. Sabri. 2015. Effect of different soil moisture contents on early soybean plant growth. CSBE/SCGAB 2015 Annual Conference, Edmonton, AB, 5-8 July 2015.
Publisher: Canadian Society for Bioengineering
Language 1: en
Rights: Canadian Society for Bioengineering