HE Hao, ZHANG Yutong, WEI Changzhou, et al. Effects of Different Organic Substitution Reducing Fertilizer Patterns on Maize Growth and Soil Fertility[J]. 2019, 33(5): 281-287.
DOI:
HE Hao, ZHANG Yutong, WEI Changzhou, et al. Effects of Different Organic Substitution Reducing Fertilizer Patterns on Maize Growth and Soil Fertility[J]. 2019, 33(5): 281-287. DOI: 10.13870/j.cnki.stbcxb.2019.05.041.
Effects of Different Organic Substitution Reducing Fertilizer Patterns on Maize Growth and Soil Fertility
The effects of different organic substitution reducing fertilizer patterns on maize (Zea Mays L.) growth and soil fertility were studied
which provided economic and feasible fertilization scheme and theoretical basis for reducing fertilization and increasing benefits in maize production. Five treatments were set up in the field experiments
which were no fertilizer (CK)
conventional fertilization (CF)
humic acid organic fertilizer + reduction of 10% nitrogen fertilizer + phosphate and potassium fertilizer (HF)
fertilizer synergist + reduction of 10% nitrogen fertilizer + phosphate and potassium fertilizer (BN)
commercial organic fertilizer + reduction of 10% nitrogen fertilizer + phosphate and potassium fertilizer (OF).The results showed that compared with CF
HF
BN and OF promoted maize growth
increased plant height and stem diameter at different growth stages. Meanwhile
HF
BN and OF effectively improved maize ear traits and yield components
maize yield increased by 11.12%
6.47% and 14.43%
respectively
net income per hectare increased by 217.24 yuan
564.99 yuan and -506.46 yuan. The above three treatments increased the contents of soil alkaline nitrogen (AN)
available phosphorus (AP) and available potassium (AK) in the growth period of maize
and increased fertilizer recovery efficiency (RE)
partial factor productivity (PFP) and agronomic use efficiency (AUE). Among them
the recovery efficiency of nitrogen fertilizer significantly increased by 8.15%
9.34% and 14.08% (P<0.05)
respectively
and potassium fertilizer significantly increased by 15.92%
21.13% and 29.36% (P<0.05)
respectively. Therefore
HF and BN treatments could promote maize growth
increase yield and efficiency
improve fertilizer use efficiency and soil fertility
and provide economical and feasible fertilization scheme and theoretical basis for reducing fertilization and increasing benefits in maize production.
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Related Author
XIAO Yang1
LI Li1
TIAN Li1
HUANG Yaxi1
LU Yuncai1
XU Lijian1
MENG Kai1
LIU Zaiqi2
Related Institution
College of Agricultural Resources and Environment/Key Laboratory of Agricultural Resources Utilization and Environmental Security, Heilongjiang University
Hailin Farm of Heilongjiang, Hailin
Shanxi Institute of Organic Dryland Farming, Shanxi Agricultural University,Key Laboratory of Organic Dryland Agriculture (Co-construction by Ministry of Agriculture and Rural Affairs and Shanxi Province),Shanxi Key Laboratory of Organic Dryland Farming
College of Agriculture, Shanxi Agricultural University
National Engineering Research Center for Efficient Utilization of Soil and Fertilizer Resources, School of Resources and Environment, Shandong Agricultural University, Taian