Effect of Five-Year Continuous Poultry Litter Use in Cotton Production on Major Soil Nutrients

2008 ◽  
Vol 100 (4) ◽  
pp. 1047-1055 ◽  
Author(s):  
K. C. Reddy ◽  
S. S. Reddy ◽  
R. K. Malik ◽  
J. L. Lemunyon ◽  
D. W. Reeves
Keyword(s):  
Soil Nutrients ◽  
Poultry Litter ◽  
Cotton Production

Field-scale variability of soil test phosphorus and other nutrients in grasslands under long-term agricultural managements

Soil Research ◽  
2013 ◽  
Vol 51 (6) ◽  
pp. 503 ◽  
Author(s):  
Weijun Fu ◽  
Keli Zhao ◽  
Peikun Jiang ◽  
Zhengqian Ye ◽  
Hubert Tunney ◽  
...  
Keyword(s):  
Soil Nutrients ◽  
Poultry Litter ◽  
Soil Nutrient ◽  
Statistical Correlation ◽  
Soil Test ◽  
Field Scale ◽  
The North ◽  
Positive Correlations ◽  
Soil Test Phosphorus

Field-scale variation of soil nutrients in grassland is becoming important because of the use of soil-nutrient information as a basis for policies such as the recently introduced EU Nitrates Directive. This study investigates the field-scale variability of soil-test phosphorus (STP) and other nutrients in two grasslands with a long-term history of poultry litter application. Two fields (field 1 for silage and field 2 for grazing pasture) were selected, and soil samples were collected based on 12 m by 12 m (field 1) and 15 m by 15 m (field 2) grids. Data were analysed using conventional statistics, geostatistics, and a geographic information system (GIS). In field 1, STP values ranged from 12.4 to 90 mg L–1 (average 38.5 mg L–1). In field 2, STP values ranged from 4.3 to 130.0 mg L–1 (average 21.4 mg L–1). Attention should be paid to long-term poultry application, as the average STP values in both fields were much greater than the recommended agronomic optimum STP status in Ireland of 8 mg L–1. Coefficient of variation values of soil nutrients in field 2 were much higher than those in field 1. Log-transformation and Box–Cox transformation were applied to achieve normality. Statistically significant (P < 0.01), positive correlations between P and other nutrients were found in both fields. Exponential and spherical models were fitted to the experimental variograms of STP in fields 1 and 2, respectively. Compared with the counterparts in field 1, soil nutrients in field 2 had larger ‘nugget-to-sill’ values, revealing that sheep grazing could weaken the spatial auto-correlation of soil nutrients. A grid of 60 m by 60 m was recommended for soil sampling in grassland, based on this study. High STP concentrations in field 1 were in the north-eastern side, which was related to uneven poultry litter application. Strong spatial similarity of low STP, magnesium, and pH values in their spatial distribution were found in field 2, confirming their strong statistical correlation.

Optimum Poultry Litter Rates for Maximum Profit versus Yield in Cotton Production

Crop Science ◽  
2016 ◽  
Vol 56 (6) ◽  
pp. 3307-3317 ◽  
Author(s):  
Haile Tewolde ◽  
Michael R. McLaughlin ◽  
Thomas R. Way ◽  
Johnie N. Jenkins
Keyword(s):  
Poultry Litter ◽  
Cotton Production ◽  
Maximum Profit

Residue management systems and their implications for production efficiency

2006 ◽  
Vol 21 (2) ◽  
pp. 124-133 ◽  
Author(s):  
Krishna P. Paudel ◽  
Luanne Lohr ◽  
Miguel Cabrera
Keyword(s):  
Organic Matter ◽  
Cover Crops ◽  
Production Efficiency ◽  
Poultry Litter ◽  
Conventional Tillage ◽  
Chemical Fertilizer ◽  
Residue Management ◽  
Management Systems ◽  
Cotton Production ◽  
No Till

Cotton production is the number one crop enterprise in Georgia in terms of revenue generation. However, due to continuous deterioration of soil quality with conventional tillage and chemical fertilizer application, the economic viability and sustainability of cotton production in Georgia are questionable. Residue management systems (RMSs) comprising winter cover crops were analyzed as an alternative to the existing system, which consists of conventional tillage and chemical fertilizer using yield benefit, net revenue, carbon sequestration, and yield efficiency criteria. Four different RMSs were examined for profitability and input efficiency. Four RMSs encompassing tillage versus no-till and chemical versus organic sources of plant nutrients were compared for their yield and net return differences. No-till and poultry litter with a cover crop was the only system with a positive return and crop yield based on the results from experimental data. Limited results from the experimental field were reinforced using a simulation study. When cotton yield is simulated with an alternative level of organic matter and nitrogen application, production function shows efficiency in input application at the higher level of organic matter. Regression results based on an erosion productivity impact calculator/environmental policy integrated climate (EPIC) simulation indicated that, in the long term, a no-till and poultry litter system may have promise in the region. The results from simulation confirm the results from the experimental study. This study reflected a need to change the cotton management system from the 200-year-old practice of employing intensively cultivated conventional tillage and chemical fertilizers to a new renewable resource-based system where residue management and organic sources of nutrients would be the key components.

Soil Biochemical Changes Induced by Poultry Litter Application and Conservation Tillage under Cotton Production Systems

Agronomy ◽  
2012 ◽  
Vol 2 (3) ◽  
pp. 187-198 ◽  
Author(s):  
Regine Mankolo ◽  
Chandra Reddy ◽  
Zachary Senwo ◽  
Ermson Nyakatawa ◽  
Seshadri Sajjala
Keyword(s):  
Production Systems ◽  
Conservation Tillage ◽  
Poultry Litter ◽  
Biochemical Changes ◽  
Cotton Production

Economic Feasibility of Substituting Fresh Poultry Litter for Ammonium Nitrate in Cotton Production

2000 ◽  
Vol 16 (1) ◽  
pp. 81-89 ◽  
Author(s):  
J. O. Bukenya ◽  
J. Befecadu ◽  
H. S. Jones ◽  
K. C. Reddy ◽  
A. Baiyee-Mbi
Keyword(s):  
Ammonium Nitrate ◽  
Poultry Litter ◽  
Economic Feasibility ◽  
Cotton Production

Management of Plant-Parasitic Nematodes in Florida Cotton Production

EDIS ◽  
2017 ◽  
Vol 2017 (2) ◽  
pp. 8
Author(s):  
Zane Grabau
Keyword(s):  
Parasitic Nematodes ◽  
Cotton Production ◽  
Plant Parasitic Nematodes ◽  
Fact Sheet ◽  
Plant Parasitic

This 8-page fact sheet written by Zane J. Grabau and published in January 2017 by the UF Department of Entomology and Nematology explains how to diagnose and manage nematode problems in cotton production.­http://edis.ifas.ufl.edu/ng015

Sign in / Sign up

Export Citation Format

Share Document