1. 自然资源部耕地资源调查监测与保护利用重点实验室,成都,611130
2. 四川农业大学资源学院,成都,611130
3. 成都东软学院,成都,611844
纸质出版:2022
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张涵苡, 张敏, 王静, 等. 不同菌渣配施化肥对土壤肥力和酶活性的影响[J]. 水土保持学报, 2022,36(6):364-370.
ZHANG Hanyi, ZHANG Min, WANG Jing, et al. Effects of Combined Application of Chemical Fertilizers with Different Mushroom Residues on Soil Fertility and Enzymes Activities[J]. 2022, 36(6): 364-370.
张涵苡, 张敏, 王静, 等. 不同菌渣配施化肥对土壤肥力和酶活性的影响[J]. 水土保持学报, 2022,36(6):364-370. DOI: 10.13870/j.cnki.stbcxb.2022.06.044.
ZHANG Hanyi, ZHANG Min, WANG Jing, et al. Effects of Combined Application of Chemical Fertilizers with Different Mushroom Residues on Soil Fertility and Enzymes Activities[J]. 2022, 36(6): 364-370. DOI: 10.13870/j.cnki.stbcxb.2022.06.044.
为促进菌渣肥料化利用和化肥减量增效
选用毛木耳、香菇和双孢蘑菇菌渣作为有机物料
以成都平原常规化肥施氮量为基准
设置空白处理(CK)、常规化肥(CF)、25%和50%毛木耳菌渣(APR1、APR2)、25%和50%香菇菌渣(LER1、LER2)、25%和50%双孢蘑菇菌渣(ABR1、ABR2)
共8个处理
探讨不同菌渣配施化肥对土壤肥力和土壤酶活性的差异性。结果表明:菌渣配施化肥处理能有效增强土壤蔗糖酶和脲酶活性
提高土壤有机碳、全氮、全磷、有效磷和速效钾含量
促进作物对氮素的积累
提高氮肥利用率和作物有效穗数
进而促产。然而菌渣C/N比(C/N>30)、P2O5替代率和K2O替代率越高
导致养分利用率下降
产量显著降低
P2O5和K2O的施入对土壤和作物的正向效应不足以补偿
使其与作物产量呈显著负相关。综合来看
选用C/N比接近30的菌渣
水稻季选用50%或以下的氮肥替代率和小麦季选用25%的氮肥替代率有利于作物稳产增产。
In order to promote the resource utilization of mushroom residues
and to reduce the application rate of chemical fertilizers and increase its use efficiency
the residues of Auriculariapolytricha
Lentinus edobes
and Agaricus bisporus were selected as organic materials in this study. Based on the nitrogen application of conventional chemical fertilizers in Chengdu Plain
a total 8 treatments were set: blank treatment (CK)
conventional chemical fertilizer (CF)
25% and 50% Auriculariapolytricha residues (APR1
APR2)
25% and 50% Lentinus edobes residues (LER1
LER2)
25% and 50% Agaricus bisporus residues (ABR1
ABR2). The differences in soil fertility and soil enzymes activities of different mushroom residues and chemical fertilizers were discussed. The results showed that the mushroom residue and chemical fertilizers could effectively enhance the activities of soil sucrase and urease
increase the contents of soil organic carbon
total nitrogen
total phosphorus
available phosphorus and available potassium
promote the accumulation of nitrogen in crops
and improve the utilization rate of nitrogen fertilizer
thereby promoting crop production. However
the higher C/N ratio (C/N>30)
P2O5 replacement rate and K2O replacement rate of mushroom residues resulted in a decrease in nutrient use efficiency and a significant decrease in yield. Even the positive effects of P2O5 and K2O on soil and crops were not enough to compensate
which was significantly negatively correlated with crop yield. On the whole
the mushroom residues with a C/N ratio close to 30
the use of 50% or less of nitrogen fertilizer replacement rate in the rice season
and the use of 25% nitrogen fertilizer replacement rate in the wheat season are conducive to increasing crop yield.
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