Now showing items 1-4 of 4

  • End-of-season corn stalk nitrate-nitrogen test for post-harvest evaluation : a case study 

    Tao, Haiying; Pan, William L. (Pullman, Washington : Washington State University Extension, 2019-11)
    Land application of dairy manure to cornfields is a common practice and a major method of manure disposal for dairy operations. Dairy manure provides numerous benefits for corn and other silage crops. However, excess ...
  • Nitrogen inhibitors : how do they work to reduce N losses? 

    Tao, Haiying; Rogers, Christopher W. (Pullman, Washington : Washington State University Extension, 2019-11)
    Applying nitrogen (N) fertilizer at the exact time of need is often operationally unrealistic for wheat and barley growers in Washington. Instead, N is commonly applied early, before its rapid uptake by plants. However, ...
  • Understanding and measuring organic matter in soil 

    Tao, Haiying; Rogers, Christopher W. (Pullman, Washington : Washington State University Extension, 2019-12)
    Soil organic matter (SOM) content is often linked to soil health. Producers are encouraged to increase SOM to improve soil functions, such as water-holding capacity, improvement of soil structure and infiltration, nutrient ...
  • Wheat straw pulping by-product mixed with lime may address soil acidification in no-till fields 

    Tao, Haiying; Pan, William L.; Carter, Paul (Pullman, Washington : Washington State University Extension, 2019-11)
    Soil acidification has become a growing concern for dryland crop production in the Pacific Northwest (PNW). Many no-till (NT) soils have stratified soil pH in the fertilizer application zone due to repeated nitrogen (N) ...