Effects of straw incorporation combined with inorganic-organic fertilization on soil water and nitrogen changes and microbial community structure in winter wheat

Gong, Huarui; Jing, 李静 Li; Junhua, 马军花 Ma; Ruixing, 侯瑞星 Hou; Xubo, 张旭博 Zhang; Zhu, 欧阳竹 Ouyang

doi:10.5846/stxb201803190537

Cited by 2 publications

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“…In conclusion, the amendment with manure at 13.5 t ha −1 in combination with the N, P, and K fertilizers in the maize season and only chemical fertilizer in the soybean season is a recommended fertilization management strategy that can be used to improve the utilization of water and N and, thus, crop production in the soybean and maize rotation system in brown soil areas in Northeast China. In the future, we may conduct further research using tracing techniques (i.e., 18 O and 15 N tracing) to specifically quantify the water and N use efficiency.…”

Section: Discussionmentioning

confidence: 99%

“…However, excessive N application could lead to soil nitrate N accumulation, promoting nitrate N leaching in the deeper soil layers, making the use of nutrients more difficult for crops [45][46][47]. The results of our previous study, which involved 15 N tracing in the same experiment, indicated that the N use efficiency during the soybean season was only 28.8% [11] and that during the maize season was lower, standing at 12.6% (unpublished data). This not only increased N loss but also resulted in adverse effects such as nitrate groundwater contamination and soil acidification [48,49].…”

Section: Effect Of Manure Amendment On Soil Water and N Distributionsmentioning

confidence: 91%

“…A 31-year study in Hunan demonstrated that the soil total N concentration in both the rhizosphere and non-rhizosphere was increased by 48–76%, effectively enhancing N accumulation in paddy soil when a portion of N fertilizer was replaced by manure, compared to the sole application of chemical fertilizer [ 14 ]. Additionally, after the application of microbial fertilizers combined with manure and soil water, mineral N (NH 4 + , NO 3 − ) increased, as did the crops’ N uptakes, as the full amount of maize straw was returned to the field [ 15 ]. Nevertheless, there was no effect on yield increase when over 30% of N fertilizer was replaced by manure due to the slow release of N in manure, which was inadequate for wheat growth [ 16 ].…”

Section: Introductionmentioning

confidence: 99%

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Enhancing Soybean and Maize Yields through Improved Nitrogen and Soil Water Use Efficiencies: A 40-Year Study on the Impact of Farmyard Manure Amendment in Northeast China

Liu,

Bai,

Shen

et al. 2024

Plants

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The combined application of manure and chemical fertilizers has been recognized as a critical factor driving significant changes in crop yield and nutrient use efficiency, holding the potential to optimize agricultural management to achieve high yields. In this 40-year study, we investigated the effect of manure amendment on soybean and maize yields, water and nitrogen use efficiencies (WUE and NUE), and water and mineral N storage at 0–100 cm soil depths from 2017 to 2018 to explore the optimization of fertilization management strategies for soybean and maize production in Northeast China. To elucidate the impact of chemical fertilizers and manure, twelve treatments—control (CK); single N fertilizer at a low rate (N1) and that at a high rate (N2); N1, phosphorus (P), and potassium (K) fertilizer (N1PK); manure alone at 13.5 and 27 t ha−1 (M1 and M2); and those combined with N, P, or K fertilizer (M1N1, M1N2, and M1N1PK and M2N1, M2N2, and M2N1PK)—were selected and studied. The results showed that long-term amendment with manure significantly increased crop biomass and yield in the soybean–maize–maize rotation system. Combining with manure increased the WUE, the partial factor productivity of N fertilizer (PFPN), and N physiological efficiency (PEN) in both the soybean and maize seasons; conserved soil water (mainly at 40–60 cm); and increased soil N retention (in the upper 60 cm layer), which reduced the risk of N leaching, with a better effect being observed after the application of 13.5 t ha−1 manure. These results provide insight into the potential of using fertilization management strategies that include amendment with 13.5 t ha−1 manure in combination with N, P, and K fertilizer in the maize season and only chemical fertilizer in the soybean season, as these results indicate that such strategies can achieve high yields and be used to implement agricultural sustainable development in brown soil regions in Northeast China.

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Section: Discussionmentioning

confidence: 99%

Section: Effect Of Manure Amendment On Soil Water and N Distributionsmentioning

confidence: 91%

Section: Introductionmentioning

confidence: 99%

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Enhancing Soybean and Maize Yields through Improved Nitrogen and Soil Water Use Efficiencies: A 40-Year Study on the Impact of Farmyard Manure Amendment in Northeast China

Liu,

Bai,

Shen

et al. 2024

Plants

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“…These factors have different effects on soil enzyme activity as well as nitrogen conversion and utilization in the soil [31]. Crop rotation can lead to significant changes in enzyme activity [32], which, in turn, affects soil nutrient conversion and utilization. The addition of legumes and organic fertilizers (farmyard manure/crop residues) to crop rotation can help maintain the optimal biological functions of the soil [33,34].…”

Section: Soil Enzyme Activitymentioning

confidence: 99%

Improving the Key Enzyme Activity, Conversion Intensity, and Nitrogen Supply Capacity of Soil through Optimization of Long-Term Oilseed Flax Rotation Planting Patterns in Dry Areas of the Loess Plateau of China

Gao,

Zhang,

Wang

et al. 2024

Agronomy

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Various crop rotation patterns can result in differences in nutrient consumption and the accumulation of toxic substances in the soil, indirectly impacting the soil environment and its nutrient supply capacity. Implementing optimized crop planting practices is beneficial for maintaining the favorable physical and chemical properties of farmland soil in the arid area of northwestern China. This study aimed to establish a crop rotation pattern to improve key enzyme activities and soil nitrogen conversion efficiency, as well as understand the underlying mechanism for enhancing nitrogen supply capacity. A field experiment was conducted to study the effect of four flax planting patterns, which included 13 crop rotation patterns with different crop frequencies: 100% Flax (Cont F), 50% Flax (I) (WFPF, FPFW, PFWF, FWFP), 50% Flax (II) (FWPF, WPFF, PFFW, FFWP), 25% Flax (WPWF, PWFW, WFWP, FWPW), on the key enzyme activities and the rate of soil nitrogen conversion, as well as the nitrogen supply capacity. Here, F, P, and W represent oilseed flax, potato, and wheat, respectively. The results indicated that the wheat stubble significantly increased the intensity of soil ammonification and denitrification before planting. Additionally, the activity levels of soil nitrate reductase and nitrite reductase under wheat stubble were significantly increased by 66.67% to 104.55%, while soil urease activity significantly decreased by 27.27–133.33% under wheat stubble compared to other stubbles. After harvest, the activities of soil nitrate reductase and nitrite reductase under the wheat stubble decreased significantly, and the intensity of soil ammonification, nitrification, and denitrification reduced significantly by 7.83–27.72%. The WFWP and FWFP treatments led to a significant increase in soil nitrogen fixation intensity under various crop rotations after harvest and significantly increased the levels of inorganic nitrogen in the soil before the planting of the next crop. This study suggests that the long-term rotation planting patterns WFWP and FWFP can significantly enhance the key enzyme activities of soil nitrogen conversion and significantly improve soil nitrogen conversion before crop sowing. This may increase the rate of soil nitrogen transfer and raise the available nitrogen content of the soil. These findings are crucial for reducing soil nitrogen loss and improving soil nitrogen nutrient supply capacity in dry areas of the Loess Plateau of China.

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Effects of straw incorporation combined with inorganic-organic fertilization on soil water and nitrogen changes and microbial community structure in winter wheat

Cited by 2 publications

References 0 publications

Enhancing Soybean and Maize Yields through Improved Nitrogen and Soil Water Use Efficiencies: A 40-Year Study on the Impact of Farmyard Manure Amendment in Northeast China

Enhancing Soybean and Maize Yields through Improved Nitrogen and Soil Water Use Efficiencies: A 40-Year Study on the Impact of Farmyard Manure Amendment in Northeast China

Improving the Key Enzyme Activity, Conversion Intensity, and Nitrogen Supply Capacity of Soil through Optimization of Long-Term Oilseed Flax Rotation Planting Patterns in Dry Areas of the Loess Plateau of China

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