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Fertilizing Sunflower - SF713
This revision is the results of 48 field trials from 2012-2015 studying the yield and oil response of sunflower to nitrogen and phosphorus fertilizer. The new recommendations include no phosphorus needed for sunflower and nitrogen rate based on region, tillage, soil test nitrate with a cap due to excessive lodging potential at high nitrogen rates.
Located in Landing Pages / Crops
Nitrogen Behavior In the Environment (NM1299 )
Manure and commercial fertilizers contain nutrients essential for plant growth. Nitrogen, phosphorus and potassium are the most critical of these nutrients. This publication outlines some basic information about nitrogen and its interaction in the environment.
Located in Environment & Natural Resources
Soybean Soil Fertility - SF1164
Soybean is unique in nutritional needs in the state compared to other crops. Inoculation, fertilizer application and iron deficiency chlorosis are explained.
Located in Landing Pages / Crops
Soil Testing Unproductive Areas - SF1809
This publication is intended to provide information on how to sample and analyze area that are affected by soil salinity and sodicity. It explains how to take soil samples representing the affected areas, what kind of tests are needed to assess salt and sodium levels and how to interpret the results.
Located in Landing Pages / Crops
Evaluating, Preparing and Amending Lawn and Garden Soil - H1325
One of the biggest steps to establishing and growing turf, vegetables, ornamentals or flowers successfully is understanding the soil that provides their physical support and supplies them with water and nutrients.
Located in Landing Pages / Gardens, Lawns & Trees
Alfalfa Soil Fertility Requirements in North Dakota Soils (SF1863)
Alfalfa is the most important forage grown in North Dakota. This manuscript details its soil fertility requirements more extensively than any publication has previously. The previous circular related to alfalfa soil fertility also included clovers, however the soil fertility requirements of clover and alfalfa are very different and alfalfa frankly deserves better information.
Located in Landing Pages / Crops
Soil Fertility Recommendations for Corn SF722 (Revised)
These recommendations are updated to include new potassium recommendations based on recent research.
Located in Landing Pages / Crops
Fertilizer Application With Small-grain Seed at Planting - SF1751
Applying fertilizer with the seed at planting is one successful soil management practice that has long been recognized as a means to improve small grain yields. Grain seeders have been adapted with fertilizer attachments, enabling farmers to apply a small amount of fertilizer with the seed and plant in one operation.
Located in Landing Pages / Crops
Fertilizing Winter Rye - SF1462
Rye previously was grouped with wheat in fertility recommendations, but rye has unique nutrient requirements that separate it from other grains. Nitrogen requirements are not as high, even though yield may be comparable to wheat. Because economic return for rye is not as high as for wheat, other nutrient recommendations are more modest. A significant amount of rye is grown organically, so suggestions for fertilizing in an organic system also are included.
Located in Landing Pages / Crops
Evaluation of Soils for Suitability for Tile Drainage Performance - SF1617
The presence of salts and high water tables in North Dakota soils due to an extended climactic wet cycle recently has stimulated interest in the installation of tile drainage systems. The tile controls the water table and encourages the leaching and removal of salts from the soil above the tile lines. This improves soil productivity, culminating in improved crop yields.
Located in Landing Pages / Crops
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