LEI Na, CHEN Tianqing, DONG Qingguang, et al. Effects of the Returning Materials on Soil Fertility of Reclaimed Hollow Village[J]. 2018, 32(4): 222-226.
DOI:
LEI Na, CHEN Tianqing, DONG Qingguang, et al. Effects of the Returning Materials on Soil Fertility of Reclaimed Hollow Village[J]. 2018, 32(4): 222-226. DOI: 10.13870/j.cnki.stbcxb.2018.04.035.
Effects of the Returning Materials on Soil Fertility of Reclaimed Hollow Village
In order to improve the soil condition after the reclamation of hollow village
and to resume the agricultural production quickly
seven different returning materials were selected
and their effects on soil water storage
soil nutrition
water use efficiency and crop yield were analyzed. The results revealed that the soil water storage (0-105 cm) of different returning materials were significantly higher than the control in the summer maize growing season (P<0.05). The average soil water storage was increased by 10.2 mm to 32.9 mm than control. Different returning materials could effectively increase temperature and conserve soil moisture. After reclamation in the seasons
the organic matter
total nitrogen
available phosphorus and available potassium of the reclaimed soil using the different returning materials were respectively increased by 12.50%~66.44%
15.15%~20.00%
6.58%~64.62% and 18.24%~26.82% compared with the control. The nutrients contents were significantly different from the control (P<0.05)
there was significant difference in nutrients contents except the total nitrogen using the different returning materials(P<0.05). The average height of maize using the different returning materials was significantly higher than that of the control
which increased by 13~29 cm. Compared with T0
TFC
TF
TSC
TSF and TFC treatment significantly increased the yield of maize
by 18.40%~48.50%
TF
TSC and TSF treatment significantly increased the water use efficiency of summer maize
by 12.52%~44.47%. In the loess hilly region in the hollow village renovation
the composited application of organic fertilizer and fly ash could obviously improve farmland soil water
heat and nutrients contents
improve the summer maize plant height
yield and water use efficiency. These two should be the most suitable returning materials for the loess hilly hollow village renovation
and have an important significance for the improvement of soil quality in the reclaimed hollow village.
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MAO Lanhua1
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Related Institution
College of Geographical Science, Fujian Normal University
State Key Laboratory of Subtropical Mountain Ecology Funded by Ministry of Science and Technology and Fujian Province
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