湖南农业大学农学院,长沙,410128
[ "马国柱(1995-),男,硕士研究生,主要从事作物高产高效栽培理论与技术研究。E-mail:mazhu1995@163.com" ]
纸质出版:2020
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马国柱, 屠乃美, 方畅宇, 等. 有机无机肥配施锌肥和石灰对双季稻产量及土壤养分特性的影响[J]. 水土保持学报, 2020,34(4):171-177.
MA Guozhu, TU Naimei, FANG Changyu, et al. Effects of Combined Application of Organic and Inorganic Fertilizers with Zinc Fertilizer and Lime on Yield and Soil Nutrient Characteristics of Double Cropping Rice[J]. 2020, 34(4): 171-177.
马国柱, 屠乃美, 方畅宇, 等. 有机无机肥配施锌肥和石灰对双季稻产量及土壤养分特性的影响[J]. 水土保持学报, 2020,34(4):171-177. DOI: 10.13870/j.cnki.stbcxb.2020.04.026.
MA Guozhu, TU Naimei, FANG Changyu, et al. Effects of Combined Application of Organic and Inorganic Fertilizers with Zinc Fertilizer and Lime on Yield and Soil Nutrient Characteristics of Double Cropping Rice[J]. 2020, 34(4): 171-177. DOI: 10.13870/j.cnki.stbcxb.2020.04.026.
在南方典型双季稻种植区,通过2年试验综合评价在有机无机肥配施基础上施用锌肥和石灰对双季稻产量与土壤养分特性的影响,以期提出培肥土壤和提高水稻产量的理想施肥模式。设置有机肥+无机肥(T1)、锌+有机肥+无机肥(T2)、石灰+有机肥+无机肥(T3)、锌+石灰+有机肥+无机肥(T4)4个处理,测定了土壤有效锌、碱解氮、有效锌含量和pH,分析了水稻产量和土壤综合肥力。结果表明:(1)相比T1处理,T2处理显著提高了早晚稻千粒重和结实率,显著增产8.7%,而T3处理不利于水稻稳产,显著降低了千粒重,并在第2年减产(5.6%)显著;T4处理表现出来的产量规律与T3处理类似,均于第2年表现减产。(2)施用锌肥、石灰均有利于提高土壤有效磷和碱解氮含量,石灰显著提高土壤pH,但T3、T4处理土壤有效锌含量显著下降,较T1处理分别下降39.0%和31.9%,而连年施用锌肥有利于有效锌的提高,T2较T1处理土壤有效锌含量提高22.2%。(3)土壤综合肥力表现为T2 > T4 > T1 > T3,施用锌肥相比石灰更有利于提高土壤肥力。综上所述,施用锌肥能显著提高土壤速效养分含量,增产显著,而连年施用石灰显著降低了土壤中有效锌含量。因此,在缺锌土壤中需慎施石灰,而长期施用石灰的土壤,应追施锌肥。综合土壤养分含量和水稻产量评价,有机+无机+锌肥的施肥模式为理想施肥模式。
The effects of zinc fertilizer and lime on double-season rice yield and soil nutrient characteristics were evaluated in a typical double-season rice growing area in southern China
in order to propose the best fertilization mode for fertilizing local soil and increasing rice yield. It is equipped with organic fertilizer + inorganic fertilizer (T1)
zinc + organic fertilizer + inorganic fertilizer (T2)
lime + organic fertilizer + inorganic fertilizer (T3)
zinc + lime + organic fertilizer + inorganic fertilizer (T4)
a total of 4 treatments. The indicators of soil available zinc
alkali nitrogen
available zinc
and pH were determined
and rice yield and soil comprehensive fertility were analyzed. The results showed that: (1) Compared with T1 treatment
T2 treatment significantly increased the 1000-grain weight and seed setting rate of early and late rice
and significantly increased yield by 8.7%. However
the application of lime (T3) in successive years was not conducive to stable yield of rice
significantly reduced 1000-grain weight
and significantly reduced yield in the second year (5.6%). The yield pattern exhibited by the T4 treatment was similar to that of the T3 treatment
and both showed a reduction in production in the second year. (2) The application of zinc fertilizer and lime was beneficial to increasing the content of available phosphorus and alkali nitrogen in soil. Lime could also significantly increase soil pH
but the effective zinc content in T3 and T4 treatments decreased significantly
which was 39.0% and 31.9% lower than that of T1 treatment. However
the application of zinc fertilizer for several years was conducive to the improvement of effective zinc. The effective zinc content of T2 was 22.2% higher than that of T1 treatment. (3) The soil comprehensive fertility was T2 > T4 > T1 > T3
the application of zinc fertilizer was more conducive to improving soil fertility than lime. In summary
the application of zinc fertilizer can significantly increase the soil available nutrient content
and increase production. However
the application of lime in successive years significantly reduced the effective zinc content in the soil. Therefore
lime should be applied cautiously in zinc-deficient soil
and for the long-term application of lime
attention should be paid to the supplement of exogenous zinc fertilizer. Based on comprehensive evaluation of soil nutrient content and rice yield
the fertilization mode of organic-inorganic + zinc fertilizer is the best fertilization mode.
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