...硼肥;IAA; 氮碱比 [gap=1046]Key words: flue-cured tobacco;plant spacing;nitrogen;the time of wiping the top;boron fertilizer;IAA;the ratio between alkali and nitrogen ...
Therefore chemical method can be used at first to resolve boron from tourmaline and then add more tourmaline and additives to prepare tourmaline boronfertilizer.
因此，可通过化学法先将电气石中的硼元素溶出，然后再加入部分电气石及辅料来制作电气石硼肥。
2
Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boronfertilizer application promoted the absorption and accumulation of P, K, Zn and Mn in wheat grain;
增施锌对小麦氮、磷、钾、铁、铜和硼的吸收均有促进作用；施硼有利于小麦对磷、钾、锌和锰元素的吸收；
3
Only using boronfertilizer in field did not significantly increase sesame yield, but applying boronfertilizer coordinated with nitrogen and phosphorus had greatly increased the yield.