Research Article

Doses and Timing of 2, 4-D Application for Broadleaf Weed Control, Botanical Compositions, Productivity, and Nutritive Value of Natural Pasture

Table 1

Properties of soils in the study area.

ParameterValuesMethod of analysis

pH (1 : 2.5 H2O)4.94Potentiometric method
Organic carbon (%)1.79Dichromate oxidation method [16]
Total nitrogen (%)0.20Kjeldahl method [17]
Available P (ppm)5.60Olsen method [18]
CEC (meq/100 g)18.24NH4OAc method (pH = 7)
Na+ (meq/100 g)0.16NH4OAc method [19]
K+ (meq/100 g)5.03NH4OAc method [19]
Ca2+ (meq/100 g)29.50NH4OAc method [19]
Mg2+ (meq/100 g)13.75NH4OAc method [19]
P (mg·kg−1)5.6NH4OAc method [19]
Texture
 Sand (%)18Boycouos hydrometric method
 Silt (%)15Boycouos hydrometric method
 Clay (%)67Boycouos hydrometric method

Source; Holetta Agricultural Research Center meteorological data report.