ACTA AGRICULTURAE BOREALI-SINICA ›› 2021, Vol. 36 ›› Issue (6): 153-162. doi: 10.7668/hbnxb.20192324

Special Issue: Soil fertilizer

• Resources & Environment·Plant Protection • Previous Articles     Next Articles

Effects of Chemical Fertilizer Reduction Combined with Biological Organic Fertilizer on Nutrient Absorption and Yield of Cauliflower

LI Ju1, GAO Chengfei1, MA Ning1, WANG Shuya1, LUO Shilei1, Lü Jian1, FENG Zhi1, HU Linli1, XIAO Xuemei1,2, YU Jihua1,2   

  1. 1. College of Horticulture, Gansu Agricultural University, Lanzhou 730070, China;
    2. Key Laboratory of Crops in Drought Habitat of Gansu Province, Lanzhou 730070, China
  • Received:2021-09-03 Published:2021-12-28

Abstract: To determine the best method of fertilizer reduction,high yield and stable yield in the production area of cauliflower in Northwest Plateau.The Lihe Green stem 100 days cauliflower was used as material,six treatments were set as follows:the non-fertilization(CK1) and conventional fertilization(CK2) as control;chemical fertilizer reduction by 30% added balanced fertilizer(T1);chemical fertilizer reduction by 30% added balanced fertilizer and biological organic fertilizer 3 000(T2), 6 000(T3),12 000 kg/ha (T4).Compared with CK2 treatment,the economic yield of cauliflower decreased by 3.8%,and the utilization rate of phosphorus fertilizer increased from 3.7% to 11.4% in treatment T1;the economic yield of T2,T3 and T4 increased by 9.5%,11.3%,18.8%,respectively. Meanwhile,the accumulation of dry matter and nutrients,and the each element distribution proportion in flower ball were increased. Compared with CK2,T2,T3 and T4 treatments increased dry matter accumulation by 0.5%,8.3% and 7.2%,nitrogen accumulation by 9.1%,19.7% and 19.1%,phosphorus accumulation by 3.1%, 12.1% and 11.9%,and potassium accumulation by 2.4%,11.2% and 10.9%,respectively. Among them,T3 and T4 treatments were significantly different(P < 0.05). In addition,compared with CK2,chemical fertilizer reduction combined with biological organic fertilizer significantly increased the utilization rate of phosphorus and potassium fertilizer. The utilization rate of phosphate fertilizer increased from 3.7% to 26% and 25.9%,and that of potassium fertilizer increased from 43.5% to 73.4% and 72.9%,respectively.Chemical fertilizer reduction by 30% added appropriate amount of biological organic fertilizer could promote the absorption,accumulation and rational distribution of nutrients on cauliflower,improve the fertilizer utilization rate,and then increase the yield.

Key words: Cauliflower, Reduced fertilizer application, Biological organic fertilizer, Nutrition absorption and distribution, Yield

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Cite this article

LI Ju, GAO Chengfei, MA Ning, WANG Shuya, LUO Shilei, Lü Jian, FENG Zhi, HU Linli, XIAO Xuemei, YU Jihua. Effects of Chemical Fertilizer Reduction Combined with Biological Organic Fertilizer on Nutrient Absorption and Yield of Cauliflower[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2021, 36(6): 153-162. doi: 10.7668/hbnxb.20192324.

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