Plant and Soil, Vol. 21, No. 1 (August 1964), pp. 8-16 (9 pages) A laboratory study was performed on the effects of pure preparations of vegetable tannins on the nitrification of ammonium sulphate in ...

When gardeners consider improving their soil, they often turn to compost, cover crops, or expensive amendments; however, there is one common vegetable that can help do the job while it grows. That ...

To examine the effect of organic amendment application on the fate of inorganic-N accumulated in a vegetable field soil during conversion from inorganic to organic input, a pot experiment using ...