Effects of Tillage and Fertilizer on Soil Nutrient and Wheat Yield in Wheat-corn Rotation Area

doi:10.3969/j.issn.1000-7091.2013.03.027

Abstract

Abstract: In order to explore the rational model of tillage and fertilization in North China， the experiment was performed in wheat-corn rotation field for four years，and the changes of soil nutrient contents and wheat' s yield components were surveyed with deep or shallow tillage and four fertilization treatments，such as organic manure(OF) ，maize straw (SF) ，organic manure and maize straw (OSF) and the control ( CK) ． The results showed that，the contents of total nitrogen and organic matter in soils with shallow tillage (ST) were higher than that with deep tillage( DT) ，but the content of total phosphorus in soils was unstable; the sequence of contents of total nitrogen and organic matter was as OSF ＞ OF ＞ SF ＞ CK，but the content of total phosphorus was changed differently，while being as OSF ＞ OF ＞ SF ＞ CK with deep tillage and OF ＞ OSF ＞ SF ＞ CK with shallow tillage． Through the analysis of variance，the effect of tillage methods was highly significant on the content of total nitrogen in soils，and was significant on the content of organic matter． Furthermore， the effect of fertilizer was highly significant on the content of total nitrogen and was significant on the content of total phosphorus． The yield with deep tillage maize straw and organic manure ( DTOSF) was the highest，and the yield with deep tillage and CK( DTCK) was the lowest． In addition， to some extent， the effect of tillage method on the spike length was highly significant，and the effect of fertilizer on spike length， spikelet bearing number， 1000-grain weight and grains number per spike was highly significant． The interactions of tillage and fertilizer had a significant effect on aborted spikelet number． Overall， the best model of tillage and fertilization in North China was DTOSF．

Key words: Wheat, Tillage, Organic manure, Soil nutrient, Yield

CLC Number:

S34
S512.1

Shao Yun, Wang Xiaojie, Zhang Jinjin, Hu Yongjuan, Feng Rongcheng, Yao Lijiao, Zhao Yuanli, Li Chunxi. Effects of Tillage and Fertilizer on Soil Nutrient and Wheat Yield in Wheat-corn Rotation Area[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(3): 152-158. doi: 10.3969/j.issn.1000-7091.2013.03.027.

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