Soil nitrogen balance assessment and its application for sustainable agriculture and environment.

Soil nitrogen balance assessment (SNBA) serves as an effective tool for estimating the magnitude of nitrogen loss/gain of the agro-eco systems and to appraise their sustainability. SNBA brings forth awareness of soil fertility problems, besides providing information relating to the resultant release of nitrogen into the environment consequent to agricultural practices. Quantitative information relating to nitrogen escape into the environment through such exercises can be gainfully utilized for identification of causative factors, enhancing fertilizer use efficiency and formulating programmes aimed at plugging N leakages.

Intra-articular protrusion of malpositioned Transfix implant following anterior cruciate ligament reconstruction.

We report on a case of stiffness of the knee following reconstruction of the anterior cruciate ligament caused by a Transfix implant (Manufacturer, City, State) protruding into the medial retinacular area. After a skiing injury, a 56-year-old woman had a complete rupture of the anterior cruciate ligament along with a tear of the medial collateral ligament. She had an immediate anterior cruciate ligament reconstruction.

Soil nitrogen balance assessment and its application for sustainable agriculture and environment.

Soil nitrogen balance assessment (SNBA) serves as an effective tool for estimating the magnitude of nitrogen loss/gain of the agro-eco systems and to appraise their sustainability. SNBA brings forth awareness of soil fertility problems, besides providing information relating to the resultant release of nitrogen into the environment consequent to agricultural practices. Quantitative information relating to nitrogen escape into the environment through such exercises can be gainfully utilized for identification of causative factors, enhancing fertilizer use efficiency and formulating programmes aimed at plugging N leakages.

Decreasing reliance on mineral nitrogen--yet more food.

Higher crop production normally demands higher nutrient application rates and consequently increased mineral nitrogen use. With food demand for 2030 estimated around 2800 mill. tonnes (t) yr-1, the corresponding mineral N consumption figure is 96 mill.