00708nam a2200133Ia 4500 140224s9999 xx 000 0 und d 631.8161983.1.17/.21 (082.2) M3 Symposium on Research into Agro-technical methods. Aiming at increasing the productivity of crops-co-efficients for the most efficient use of fertilizer nutrients and means for reducing the losses of nutrients to the environment under the condi Efficient use of fertilizers in agriculture; proceedings. Hague Martinius Nijhoff 1983 vi,352p. Developments in Plant and soil sciences, vol.10 Fertilizers,Plant Nutrition,Crop yields,Soil science,fertilizers 0 0 udc 0 0 KSD KSD 2014-02-24 0 631.816(494.42)"1983.1.17/.21" (082.2) M3 4038 2014-02-24 00:00:00 2014-02-24 BK 0 0 udc 0 0 KSD KSD 2014-02-24 0 631.816(494.42)"1983.1.17/.21" (082.2) M3 4083 2014-02-24 00:00:00 2014-02-24 BK 97500 97500