Technology and Application of Fast Fertilizing and High Yield Fertilization in Low Fertility Grain Fields in Suburbs of Beijing

doi:10.11924/j.issn.1000-6850.casb2024-0149

Abstract

Abstract:

Based on the fertilization management mode of organic fertilizer combined with chemical fertilizer, this study summarized a set of technical methods for fast fertilizing and high yield fertilization in low soil fertility fields under winter wheat-summer maize rotation in Beijing. This model was applied to the experiment in Miyun and Shunyi, and three treatments were set, including single fertilizer treatment, fast fertilizing treatment and high yield fertilizing treatment. The results showed that the yield of fast fertilizing treatment only increased about 1%-2%, but the soil organic carbon content increased about 1.06 g/kg in Miyun and 0.96 g/kg in Shunyi. The yield increase rates of high yield fertilizing treatment reached 9.9% (winter wheat) and 11.5% (summer corn) in Miyun, 10.9% (winter wheat) and 10.1% (summer corn) in Shunyi, respectively, but the soil organic carbon content only increased 0.06 g/kg in Miyun, while it did not increase Shunyi. This study provides a fertilization strategy that can increase crop yield and improve soil quality for low-fertility grain fields in the suburbs of Beijing.

Key words: high yield of winter wheat and summer maize, fast fertilizing, organic fertilizer, low fertility grain field, soil organic carbon, chemical fertilizer, fertilization management

ZHAO Kaili, GUO Ning, LI Quanhui, LI Ping, WANG Yanping, CHEN Juan, YAN Fang, WANG Weirui. Technology and Application of Fast Fertilizing and High Yield Fertilization in Low Fertility Grain Fields in Suburbs of Beijing[J]. Chinese Agricultural Science Bulletin, 2024, 40(30): 61-65.

Figures/Tables 6

References 11

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指标	一级丰富	二级较丰富	三级适中	四级较缺乏	五级缺乏
有机质/(g/kg)	≥25	20~25	15~20	10~15	≤10
全氮/(g/kg)	≥1.20	1.00~1.20	0.80~1.00	0.65~0.80	≤0.65
碱解氮/(g/kg)	≥120	120~90	90~60	60~45	≤45
有效磷/(mg/kg)	≥90	60~90	30~60	15~30	≤15
速效钾/(mg/kg)	≥155	125~155	100~125	70~100	≤70

指标	一级丰富	二级较丰富	三级适中	四级较缺乏	五级缺乏
有机质/(g/kg)	≥25	20~25	15~20	10~15	≤10
全氮/(g/kg)	≥1.20	1.00~1.20	0.80~1.00	0.65~0.80	≤0.65
碱解氮/(g/kg)	≥120	120~90	90~60	60~45	≤45
有效磷/(mg/kg)	≥90	60~90	30~60	15~30	≤15
速效钾/(mg/kg)	≥155	125~155	100~125	70~100	≤70

试验地点	全氮/(g/kg)	速效磷/(mg/kg)	速效钾/(mg/kg)	有机质/(g/kg)
密云区	0.77	66.36	157	14.6
顺义区	0.79	31.97	116	15.2

试验地点	全氮/(g/kg)	速效磷/(mg/kg)	速效钾/(mg/kg)	有机质/(g/kg)
密云区	0.77	66.36	157	14.6
顺义区	0.79	31.97	116	15.2

试验处理	施肥量
	冬小麦季			夏玉米季
	有机肥	复合肥	尿素	有机肥	复合肥
常规单施化肥处理	—	55	15	—	58
快速培肥处理	480	27	10	600	23
高产施肥处理	160	54	10	200	46