00341nam a2200097Ia 4500008004100000082001700041100002200058245008800080650004100168650003400209170901s2017    xx            000 0 und d  a631.83bS99P  aAnsianx, J.R. ed. 0aPhosphorus in AgriculturebThe importance of Phosphorus in a balanced fertilisation  aAgriculture and related technologies  aTechnology (Applied sciences)