Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"Cotton growing"”.
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Environmental Study of Pesticide Residues in Soil and Water from Cotton Growing Areas in Mali
… in soil and water samples collected at four cotton producing areas of Mali. The results from a survey of 24 farmers identified various concerns regarding personal and environmental safety. Despite their training, sometimes growers did not use pesticides in an appropriate manner. Highly toxic …
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Using Winter Annual Cover Crops in a Virginia No-till Cotton Production System
Cotton (<i>Gossypium hirsutum</i> L.) is a low residue crop, that may not provide sufficient surface residue to reduce erosion and protect the soil. A winter annual cover crop could alleviate erosion between cotton crops. Field experiments were conducted to evaluate selected winter annual cover …
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Maximizing yield of high quality cottonseed through nutrient management strategies
One of the primary challenges confronting the cottonseed industry is being able to produce superior quality seed with the ability to emerge rapidly from the soil and establish normal healthy plants. Early emerging seedlings from high quality seed are the most competitive and establish the greatest …
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Hemmed in: The geography of organic fairtrade cotton in Burkina Faso
Conventional cotton growing in Burkina Faso is unsustainable. It is characterized by low incomes for most smallholder growers, dependence on expensive agro-chemical inputs, and male bias across the sector. By contrast, the Helvetas organic cotton program in many cases improves rural livelihoods …
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Lowveld cotton : a political ecology of agricultural failure in Natal and Zululand, 1844-1948
… efforts of settlers, then scientists, to impose cotton as a commodity crop in the eastern region of South Africa, known today as KwaZulu-Natal. Touted as a commodity crop capable of remaking land and life in this region in the 1850s, the 1860s, at the turn of the century, and again in the 1930s, …
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Compensation of Cotton to Square Removal at Various Rates
Fruit abscission is a natural occurrence in cotton. Fruiting retention is very important since yields are highly correlated with number of bolls produced. There are many factors contributing to the abscission of squares by cotton, including environmental conditions, heavy boll load, diseases, and …
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Phylogeography of the Asia Ii and the Americas Major Clades of the Bemisia Tabaci Sibling Species Group
… transmits the complex of viruses that cause the cotton leaf curl disease, which has rapidly spread from Pakistan to the Philippines, at southeast of Asia, in the last decade. The study of B. tabaci mitotypes has been limited to variants of worldwide distribution and those associated to …
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Evaluation of the adoption and impact of improved fallow technologies among selected cotton farmers in Zambia
… affecting the adoption of improved fallows among cotton farmers in these selected cotton growing provinces of Zambia, and the impact of this adoption on cotton yields and income. The selected provinces included in this study are Eastern, Central, Muchinga, and Southern provinces. This study used a …
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Evaluation of the adoption and impact of improved fallow technologies among selected cotton farmers in Zambia
… affecting the adoption of improved fallows among cotton farmers in these selected cotton growing provinces of Zambia, and the impact of this adoption on cotton yields and income. The selected provinces included in this study are Eastern, Central, Muchinga, and Southern provinces. This study used a …
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Weed resistance risk management in glyphosate-resistant cotton
… of glyphosate resistance into Australian cotton systems will have an effect on conventional weed management practices, the weed species present and the risk of glyphosate resistance evolving in weed species. Therefore, it is important that the effects of these management practices, …