Section 3 (Crop Management)

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Upland maize systems in Nepal Table 1. Bench mark soil characteristics of infertile soil in 1997 and medium fertile soil in 20001 at Lumle Center. Soil fertility pH Total N (%) Available P Exchangeable Organic type (ppm) (me 400g) Infertile soil 4.42 0.18 5.61 0.15 2.22 Medium fertile soil 6.00 0.37 337 0.30 3.78 Table 2. Bench mark soil characteristic at Chambas (Tanahun) and Bhakimli (Myagdi) during 2000 and at Chambas, Bhakimli and Deurali (Palpa) during 2001. Soil Characteristics 2000 2001 Chambas Bhakimli Chambas Bhakiml i Deurali 1. pH 5.5 4.7 5.5 6.2 6.2 2. Total N (%) 0.04 0.09 0.13 0.15 0.13 3. Available P (Pm) 8.40 43.05 20.0 71.0 51.0 4. Exchangable K (me/100g) 0.11 0.06 88.0 481 165 5. organic Carbon 0.50 1.56 0.64 1.61 0.42 Table 3. Bench mark soil characteristics planted with maize in acid soil V-yellow and acid Vi-yellow were genotypes. Soil Characteristics Acid soil V-yellow Acid soil VI-yellow 1. pH 4.7 4.7 2. Total N (%) 0.04 0.07 3. Available P (ppm) 4.38 3.36 4. Exchangeable K 0.09 0.12 5. Organic Carbon (%) 0.66 0.98 - 288 -
Table 4. Treatment combinations and maize and fingermillet grain yields in infertile and maize in fertile soils. Treatment combinations Pooled of Maize Grain (t/ha) in infertile soil of 4 years 1. Maize / fingermillet – fallow minus residue (FYM equivalent to 60 kg N/ha) 2. Maize / fingermillet – fallow minus residue (FYM equivalent to 120 kg N/ha) 3. Maize / fingermillet – fallow minus residue (60:30:20 kg N:P2O5:K2O/ha) 4. Maize / fingermillet – fallow minus residue (120:60:40 kg N:P2O5:K2O/ha) 5. Maize / fingermillet – pea minus residue (FYM equivalent to 60 kg N/ha) 6. Maize / fingermillet – pea plus residue (FYM equivalent to 60 kg N/ha) 7. Maize / bean – fingermillet minus residue (FYM equivalent to 60 kg N/ha) 8. Maize / bean – fingermillet plus residue (FYM equivalent to 60 kg N/ha) 9. Maize / fingermillet – fallow minus residue (FYM equivalent to 30 kg N/ha + 30:15:10 kg N:P2O5:K2O/ha) 10. Maize / fingermillet – fallow minus residue (FYM equivalent to 60 kg N/ha + 60:30:20 kg N:P2O5:K2O/ha) Mean F probability L.S.D. Maize grain (t/ha) Pooled finger-millet grain (t/ha) of 4 years in infertile Maize grain (t/ha) in fertile soil 1.14 soil 0.60 4.24 1.71 0.66 4.12 0.37 0.36 5.56 0.24 0.44 6.69 0.95 0.57 6.01 1.07 0.64 5.15 0.97 0.56 5.17 1.03 0.69 4.62 0.66 0.50 3.45 1.68 0.59 5.32 0.981
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Proceedings of the 8 th Asian Regio
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Maize in the rice-wheat rotation gr
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Maize in the rice-wheat rotation Av
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Maize in the rice-wheat rotation RW
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Maize in the rice-wheat rotation Ta
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Rajbhandari Extensively cited data
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Rajbhandari There was a linear resp
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Rajbhandari sole crop soybean was m
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Table 3. Sample means for phosphoru
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Rajbhandari Table 5. P use efficien
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Appendix 1 a. Combined analysis of
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Rajbhandari Appendix 2a. Combined a
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Rajbhandari Appendix 2b. Combined a
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Proceedings of 8 th Asian Regional
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Soil fertility in the hills of Nepa
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Soil fertility in the hills of Nepa
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