Assessment of current conditions of household fertilization of apples in Weibei Plateau

Zhao, Zuoping; Tong, Y.X.; Liu, Fen; Wang, Xiaoying; Yanjuan, Zeng

doi:10.3724/sp.j.1011.2012.01003

Cited by 16 publications

(5 citation statements)

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“…In this study, we did not detect an effect of soil nitrogen on apple yield, possibly because of the excessive nitrogen amounts applied by farmers in this area (farmers apply ~1200 kg N/ha versus a recommended dose of 240− 360 kg N/ha, Zhao et al, 2012;Yang et al, 2017). Excessive soil nitrogen may not significantly improve crop yield due to the limited demand of crop growth but it will increase agricultural production costs and spillover to the environment (Ju et al, 2009).…”

Section: Discussioncontrasting

confidence: 53%

“…Farmers mainly use urea as nitrogen fertilizer. Previous studies have shown that the average amount of nitrogen fertilizer used in apple orchards of this region is about 1200 kg N/ha, which far exceeds the recommended dosage of 240− 360 kg N/ha (adjusted according to apple yield, Zhao et al, 2012;Yang et al, 2017). We randomly selected five apple trees in each orchard, and took one soil sample (5 cm diameter; 0− 20 cm depth) near each selected apple tree at harvest in October 2017.…”

Section: Local Management Surveymentioning

confidence: 88%

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Bee abundance and soil nitrogen availability interactively modulate apple quality and quantity in intensive agricultural landscapes of China

Tscharntke

Westphal

et al. 2021

Agriculture, Ecosystems & Environment

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Section: Discussioncontrasting

confidence: 53%

Section: Local Management Surveymentioning

confidence: 88%

Bee abundance and soil nitrogen availability interactively modulate apple quality and quantity in intensive agricultural landscapes of China

Tscharntke

Westphal

et al. 2021

Agriculture, Ecosystems & Environment

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“…Weibei rainfed highland is a critical agricultural region in Northwest China, where water shortage is the primary factor limiting sustainable crop production. Since China implemented the reform and opening-up policy and adjusted agricultural production structure, the land use pattern in Weibei has shifted from crop production to orchard farming ( Zhao et al, 2012 ). Such conversion of land use aims to address the shortcomings of regional resources and take advantage of available natural resources.…”

Section: Introductionmentioning

confidence: 99%

Soil water depletion patterns in rainfed apple orchards and wheat fields

Zhang

Wang

Sun

2023

PeerJ

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Agricultural production in the Weibei rainfed highland, Northwest China, is challenged by severe drought and water shortages. While the land use pattern has shifted gradually from crop production to orchard farming in Weibei, little is known about the influence of fruit industry development on regional water resources and the rationality of planting orchards. Here, we characterized soil water depletion patterns in rainfed orchards and farmlands to evaluate the occurrence of soil desiccation under land use conversion from farmlands to orchards in Weibei. Soil moisture dynamics were monitored in the 0–150 cm soil profiles of different aged Red Fuji apple orchards (young: 7 years, mature: 13 years, old: 22 years) and long-term cultivated winter wheat fields. We measured soil moisture content by oven-drying method in the middle of each month during the growing season of apple trees (March–September 2019). The over-depletion and depletion of soil water were analyzed to evaluate water stress and differential water depletion by distinct vegetation, respectively. The soil desiccation index was used to determine the occurrence of dry soil layers. Water stress was only observed at the 0–70-cm soil depths in the old orchards (mid-June) and farmlands (mid-May–mid-July). Water depletion took place at deeper depths for longer periods in the older orchards than in the younger orchards. Soil desiccation was absent in the young orchards, with mild desiccation at the 0–80-cm soil depths in the mature and old orchards in mid-June. The desiccation intensity was mild at the 0–60-cm soil depths in mid-April–mid-May, intense at the 0–150-cm soil depths in mid-June, and moderate at the 20–150-cm soil depths in mid-July. Results of this study demonstrate the mitigation of water stress and soil desiccation following conversion from wheat fields to apple orchards, which verifies the rationality of planting orchards in the rainfed highland area. Our findings provide strong support for developing a novel model of agro-industrial development, ecological construction, and sustainable economy in the vast arid and semi-arid areas of Northwest China.

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“…Weibei rain-fed highland is a critical agricultural region in Northwest China, where water shortage is the primary factor limiting sustainable crop production. Since China implemented the reform and opening-up policy and adjusted agricultural production structure, the land use pattern in Weibei has shifted gradually from crop production to orchard farming [8]. Such conversion of land use aims to address the shortcomings of regional resources and take advantage of the regional natural resources, to transform them into economic resources and improve the people's livelihoods.…”

Section: Introductionmentioning

confidence: 99%

Soil water consumption characteristics in rain-fed apple orchards and wheat fields

Zhang

2022

Preprint

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Agricultural production in Weibei rain-fed highland, Northwest China, is facing severe drought and water shortages. Here, soil water consumption characteristics in rain-fed orchards and farmlands were explored to ascertain the rationality of planting orchards in Weibei. Soil moisture dynamics was monitored in the 0–150-cm soil profiles of different aged ‘Red Fuji’ apple orchards (young: 7 years, mature: 13 years, and old: 22 years), and in long-term cultivated winter wheat fields during the growing season of apple trees. The over-consumption and consumption of soil water were analyzed to evaluate water stress and differential water consumption by distinct vegetation, respectively. Soil desiccation index was used to determine the occurrence of dry soil layers. Generally, there was no water stress in the 0–150-cm orchard soil profiles, while water stress was observed at the 0–70-cm soil depths in the old orchards (mid-June) and farmlands (mid-May–mid-July). Water consumption took place at deeper depths for longer periods in the older orchards than in the younger orchards. Soil desiccation was not observed in the young orchards, while mild desiccation occurred at the 0–80-cm soil depths in the mature and old orchards in mid-June. The desiccation intensity was mild at the 0–60-cm soil depths in mid-April–mid-May, intense at the soil 0–150-cm depths in mid-June, and moderate at the 20–150-cm soil depths in mid-July. In conclusion, conversion from wheat fields to apple orchards could reduce soil water stress, reduce dry soil layers, and mitigate soil desiccation in the rain-fed highland area.

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Assessment of current conditions of household fertilization of apples in Weibei Plateau

Cited by 16 publications

References 0 publications

Bee abundance and soil nitrogen availability interactively modulate apple quality and quantity in intensive agricultural landscapes of China

Bee abundance and soil nitrogen availability interactively modulate apple quality and quantity in intensive agricultural landscapes of China

Soil water depletion patterns in rainfed apple orchards and wheat fields

Soil water consumption characteristics in rain-fed apple orchards and wheat fields

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