Concentrations of nitrate in soil water following herbicide treatment of tree planting positions in an upland agroforestry system
Author:
Publisher
Springer Science and Business Media LLC
Subject
Agronomy and Crop Science,Forestry
Link
http://link.springer.com/content/pdf/10.1007/BF00053580.pdf
Reference10 articles.
1. Crooke WM and Simpson WE (1971) Determination of ammonium in Kjeldahl digests of crops by an automated procedure. J Sci Fd Agric 22: 9–10
2. Henriksen A and Selmer-Olsen AR (1970) Automatic methods of determining nitrate and nitrite in water and soil extracts. Analyst 95: 514–518
3. Ingestad T and Agren GI (1988) Nutrient uptake and allocation at steady-state nutrition. Physiol Plant 72: 450–459
4. Mead DJ and Tamm CO (1988) Growth and stem form changes in Picea abies as affected by stand nutrition. Scand J For Res 3: 505–513
5. Miller HG (1981) Forest fertilization: some guiding concepts. Forestry 54: 157–167
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