Conditions Contributing To Various Plant Nutrient ...
Certain soil and weather conditions can contribute to plant nutrient deficiencies on crops grown in Virginia. Below is a listing of those conditions (from several sources) that contribute to various deficiencies. ... [... more]
Virginia Tech Extension |
Phosphorus, Agriculture & The Environment
Phosphorus losses from agricultural systems are affected by site-specific soil and management characteristics (Fig. 4), including type of cropping and tillage system, percent slope, soil type, level of soil test ... [... more]
Virginia Tech Extension |
Effects Of Organic And Chemical Inputs On Soil Quality
Some interesting trends have emerged from analysis of the biological samples removed at planting and harvest at the six on-farm locations. The most striking trends are between the historically organic and ... [... more]
Virginia Tech Extension |
Fertilizer Strategies For Dry Weather
Nitrogen is generally the most expensive nutrient we apply and its chemical form, soil conditions and method of application affects its fate when applied to soils. Following a drought year, most nitrogen carryover ... [... more]
Virginia Tech Extension |
Fertilizers For Forages
Nitrogen fertilizer applications to grass for hay or pasture should be split to increase efficiency. Fall applications to grass can promote tiller development and root growth. However, these applications must be ... [... more]
Virginia Tech Extension |
Poultry Litter As A Fertilizer And Soil Amendment
Virginia's poultry waste management program will increase the opportunities for non-poultry growers to utilize poultry litter as a nutrient source. It is estimated that more than 400,000 tons of poultry litter are ... [... more]
Virginia Tech Extension |
Virginia Manure Test Summaries
Producers may refer to the average nutrient values tests listed in DCR's Virginia Nutrient Management Standards and Criteria (Table 1) for estimating the amount of manure to be applied to a field, but the most ... [... more]
Virginia Tech Extension |
Using Soil Moisture Sensors For Making Irrigation ...
To install any of the three sensor types, a hole must be dug first. Place a hole for each sensor to be installed between plants that indicate a healthy stand. A 7/8 inch O.D. steel pipe can be used to make the hole. ... [... more]
Virginia Tech Extension |
Agricultural Management Practices And Soil Quality
Generally, a soil with a high water-holding capacity will provide more plant-available water, but soil texture also determines what portion of the soil water is available to plants. Clayey soils hold the most, sandy ... [... more]
Virginia Tech Extension |
Soil Fertility Management
Dry weather during early fall followed by extensive rains has resulted in a number of small grain fields being planted without lime and fertilizer applications (and in many cases, soil samples were not taken). Also, ... [... more]
Virginia Tech Extension |
Evaporated Vegetable Solubles As A Soil Amendment For ...
Figure 1 demonstrates that increasing the amount of EVS applied increased soil Na saturation percentage. One month after spreading EVS, Na saturation percentage was above the label limit of 5% on the 3X strips. ... [... more]
Virginia Tech Extension |
Soil Nutrient Variability In Southern Piedmont Soils
When sampling soil, it is usually recommended that one collect a small amount of soil from a number of locations within a field, then mix the soil together in a pail for a good, representative sample. The reasoning ... [... more]
Virginia Tech Extension |
