Effects of Sandy Soil Amendment on Soil Moisture and Growth Status of Millet with Rainfed Sandy Soil in a Semi-Arid Region

Abstract:

Effect of different amount sandy soil amendment on soil moisture and millet growth was studied in a rainfed field experiment in a semi-arid region in northern China in 2011-2013. Three-year results show: sandy soil amendment treatments all increased soil moisture, they are T3>T4>T5>T2>T1>CK, and with depth of soil layer increasing, differences of among treatments reduced; it can significantly (P<0.05) increased plant height of millet and dry matter accumulation above-ground by 1.77%-25.67% and 3.21%-104.79% respectively compared with CK; grain yield under sandy soil amendment is significantly (P<0.05) higher than CK, yield of 18000 kg·hm^-2 and 24000 kg·hm^-2 treatments is higher than others,being 5102.55 kg·hm^-2 and 5035.85 kg·hm^-2, biological yield, water and fertilizer use efficiency have the same effect as grain yield. Above all, using sandy soil amendment can improve the condition of soil moisture and fertilizer, sufficiently use limited rainfall, increase crop yield, increases water and fertilizer use efficiency, treatments with 18000 kg·hm^-2,24000 kg·hm^-2 sandy soil amendment show a better effect on resisting drought, retaining fertilizer and increasing yield under millet production in all the treatments.

• Periodical: Advanced Materials Research (Volumes 1092-1093)
• Pages: 1234-1242
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.1092-1093.1234
• Online since: March 2015
• Authors: Jun Zhen Mi*, Jing Hui Liu, Sheng Tao Xu, Bao Ping Zhao, Man Hong Yang, Lei Zhou
• Keywords: Growth Status of Millet, Sandy Soil Amendment, Soil Moisture, Water and Fertilizer Useefficiency

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