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The impact of reduced tillage on soi...

Wilborn, James Clyde.

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The impact of reduced tillage on soil phosphorus and cotton yields on a calcareous soil.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	The impact of reduced tillage on soil phosphorus and cotton yields on a calcareous soil./
作者:	Wilborn, James Clyde.
面頁冊數:	82 p.
附註:	Source: Masters Abstracts International, Volume: 48-04, page: 2060.
Contained By:	Masters Abstracts International48-04.
標題:	Agriculture, Agronomy. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1481680
ISBN:	9781109667912

The impact of reduced tillage on soil phosphorus and cotton yields on a calcareous soil.
Wilborn, James Clyde.

The impact of reduced tillage on soil phosphorus and cotton yields on a calcareous soil. - 82 p.

Source: Masters Abstracts International, Volume: 48-04, page: 2060.

Thesis (M.S.)--Texas A&M University - Kingsville, 2009.

This study determined the effect of fertility treatments and long-term tillage practices on extractable soil phosphorus (P) and cotton yields. Post-harvest soil was sampled at 0--15 cm and 15--30 cm in 2005 and 2008. Tillage treatments were: conventional, moldboard, minimum till, and no-till. Conventional tillage showed the least soil P in all years sampled. Conservation tillage systems (MT, NT) produced the highest soil P at the 15--30 cm depth. Yield responses to P fertilizer rates varied during the years studied, with the greatest tillage effect on yield for CT and MB treatments. Soil P by Mehlich III was greater than extractable P by the Olsen method. Environmental factors affected yields between years more than did tillage and P combined, leading to the conclusion that the tillage and P treatments in this study were not the primary controlling factors for cotton production on this calcareous soil in south Texas.

ISBN: 9781109667912Subjects--Topical Terms:

1018679
Agriculture, Agronomy.

The impact of reduced tillage on soil phosphorus and cotton yields on a calcareous soil.
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