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논문 기본 정보

자료유형
학술저널
저자정보
Khalil Ahmed (Soil Salinity Research Institute) Ghulam Qadir (Soil Salinity Research Institute) Abdul-Rehman Jami (Government College University) Hafeezullah Rafa (Soil Salinity Research Institute) Muhammad Aamer Mehmood (Government College University) Kyung-Hwa Han (Rural Development Administration) Muhammad Ibrahim (Government College University)
저널정보
한국토양비료학회 한국토양비료학회지 한국토양비료학회지 제47권 제4호
발행연도
2014.8
수록면
269 - 274 (6page)

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초록· 키워드

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Series of field experiments were conducted to evaluate the long term effect of gypsum and crop residue on crop yield and soil health in rice-wheat crop rotation system in salt affected soil. A saline-sodic field having ECe (electrical conductivity of the saturation extract) 4.77 (dS m<SUP>-1</SUP>); pH (H₂O) 8.96; SAR 43.78 (mmol L<SUP>-1</SUP>) and gypsum requirement (G.R.) 2.86 (Mg acre<SUP>-1</SUP>) was selected on Soil Salinity Research Institute Farm. Five treatments consisting of (T₁) control, (T₂) gypsum at 100% G.R., (T₃) gypsum at 25% G.R. + wheat straw at 3 Mg ha<SUP>-1</SUP>, (T₄) gypsum at 25% G.R. + rice straw at 3 Mg ha<SUP>-1</SUP>, (T?) gypsum at 25% G.R.+ rice and wheat straw at 3 Mg ha<SUP>-1</SUP> were replicated four times under completely randomized block design. The data indicated that grain and straw yield of rice and wheat was significantly (P<0.05) increased by all the amendments used either single or in combination. T₂ (gypsum at 100% G.R.) significantly (P<0.05) increased grain and straw yield of rice and wheat crops followed by T₃ (gypsum at 25% G.R. + wheat straw at 3 Mg ha<SUP>-1</SUP>) when compared with control. Soil properties were also improved by used amendments, pronounced decreased in ECe, pHs and SAR were recorded in T₂ followed by T₃. The efficiency of the treatments could be arranged in following order gypsum at 100% G.R.> gypsum at 25% G.R. + wheat straw at 3 Mg ha<SUP>-1</SUP>> gypsum at 25% G.R. + rice and wheat straw at 3 Mg ha<SUP>-1</SUP>> gypsum at 25% G.R. + rice straw at 3 Mg ha<SUP>-1</SUP>> control.

목차

Introduction
Materials and Methods
Results and Discussion
Conclusions
References

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