LI Yang, SHI Ke, ZHU Changwei, et al. Effect of Different Crop Rotations on Soil Nutrients and Crop Yield in Fluvo-aquic Soil in Huang Huai Plain[J]. 2022, 36(2): 312-321.
DOI:
LI Yang, SHI Ke, ZHU Changwei, et al. Effect of Different Crop Rotations on Soil Nutrients and Crop Yield in Fluvo-aquic Soil in Huang Huai Plain[J]. 2022, 36(2): 312-321. DOI: 10.13870/j.cnki.stbcxb.2022.02.040.
Effect of Different Crop Rotations on Soil Nutrients and Crop Yield in Fluvo-aquic Soil in Huang Huai Plain
This study was aimed to select suitable crop rotation system by exploring the effect of the different crop rotation systems on soil available nutrients and wheat yield in Fluvo-aquic soil in Huang-Huai Plain. A field experiment was conducted with five treatments:(1) continuous annual wheat-maize (WM-WM-WM)
(5) continuous annual wheat-soybean (WS-WS-WS). The results showed soil available nutrients decreased generally with soil depth under all treatments. The different of alkali-hydrolyzed nitrogen (AN) content in different soil layers was higher with time among treatments. The AN contents in 0-20 cm soil layer under WM-WP-WM and WP-WP-WP were higher. The nitrate nitrogen (NO3--N) and ammonium nitrogen (NH4+-N) contents in 0-20 cm under WP-WP-WP and WS-WS-WS were higher
and with the highest as 43.98 mg/kg and 17.58 mg/kg under WP-WP-WP. The available phosphorus (AP) content and available potassium content under WP-WP-WP were higher
with the highest value as 24.49 mg/kg and 172.80 mg/kg
respectively. Both crop rotation system and soil depth affected NO3--N
NH4+-N
AN
AP and AK. The grain protein content of wheat under WP-WP-WP changed significantly with time
with the highest value as 17.83%. The highest wheat biomass and yield were found under WP-WP-WP and WS-WS-WS. Moreover
there was a positive correlation between wheat N harvest index and wheat harvest index. The WP-WP-WP treatment increased the number of grains (34.2/ear)
and the WS-WS-WS treatment increased the number of wheat (267 000 ears/hm2). During the experimental period
in the Fluvo-aquic soil in Huang-Huai Plain
the contents of soil AN
NO3--N
NH4+-N
AP
above ground biomass and grain protein were increased under WP-WP-WP. The NH4+-N content was increased under WS-WS-WS. Meanwhile
the highest wheat yield was obtained under WS-WS-WS and WP-WP-WP. Therefore
the wheat-peanut and wheat-soybean rotation models were suggested as the optimum crop rotation system in this area.
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Related Author
PENG Zhengping
FU Xin
LI Xu
LI Zeyi
SUN Jiajing
HE Mingrong
DAI Xinglong
YIN Wenjing
Related Institution
State Key Laboratory of North China Crop Improvement and Regulation
College of Land and Resources,College of Resources and Environmental Sciences, Hebei Agricultural University
College of Agronomy, Shandong Agricultural University
College of Resources and Environment, Shandong Agricultural University, National Engineering Research Center for Efficient Utilization of Soil and Fertilizer