Effect of Water and Fertilizer Coupling on Height and Biomass of Hemp at Different Growth Stages

doi:10.7668/hbnxb.2015.S1.071

Abstract

Abstract: In order to investigate the effect of water-fertilizer coupling on the growth of hemp,Yunma No.1 hemp was treated with 12 water and fertilizer coupling treatments at different growth stages with pot experiment,and the plant height and biomass of hemp were measured.The results showed that the biomass and plant height of hemp in mature period was highest under group 9 (Water 45%,N 0.267 g/kg,P 0.100 g/kg,K 0.067 g/kg) and group 7 (Water 45%,N 0.133 g/kg,P 0.133 g/kg,K 0.100 g/kg) respectively.Effect of water effect on plant height and biomass of hemp during all growth periods was more than the effect of fertilizer.In mature period,the effect on biomass of hemp were,in order,water >nitrogen >phosphorus >potassium,and the effect of plant height were,in order,water >phosphorus >potassium >nitrogen.Reasonable fertilization could improve the water utilization rate of hemp,enough water should been provided under the condition of fertilization.

Key words: Hemp, Water and fertilizer coupling, Plant height, Biomass

CLC Number:

S143

DENG Xin, CHEN Xin-bo, LONG Song-hua, QIU Cai-sheng, GUO Yuan, HAO Dong-mei, WANG Yu-fu. Effect of Water and Fertilizer Coupling on Height and Biomass of Hemp at Different Growth Stages[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2015, 30(S1): 395-399. doi: 10.7668/hbnxb.2015.S1.071.

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