| Autor: |
Siri-Prieto, G., Reeves, D.W., Raper, R.L., Gamble, B.E. |
| Zdroj: |
Proceedings of the Beltwide Cotton Production Conference; 2004, p2507-2508, 2p |
| Abstrakt: |
Soils of the southern USA are often degraded, with low soil organic carbon (SOC) content. Soil management strategies that improve soil quality include conservation tillage, cropping intensification, and inclusion of sod-based rotations. Crop rotation is critical to cropping intensification and has long been recognized as being agronomically and economically beneficial. Short-term forage rotations with row crops not only offer reduced economic risks for producers but also could increase SOC, improving soil quality and productivity and enhancing profitability for producers. Recent research in Alabama found that contract grazing of stocker cattle in winter-early spring (100 to 140 days) offers returns from $70 to $225 acre-1. Such a system is ideal for small farmers with limited capital and offers potential for added income for producer's doublecropping cotton (Gossypium hirsutum L.) behind winter grazing of annual pastures. However, winter-annual grazing may result in excessive soil compaction, which can severely limit yields. While in-row subsoiling at planting is frequently used to alleviate soil compaction for cotton grown on sandy coastal plain soils, tillage requirements for cotton following winter-annual grazing have not been researched or developed. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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