Therefore chemical method can be used at first to resolve boron from tourmaline and then add more tourmaline and additives to prepare tourmaline boron fertilizer.
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。
Zinc fertilizer increased contents of N, P, K, Fe, Cu and B of wheat seed, Boron fertilizer 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；
Only using boron fertilizer in field did not significantly increase sesame yield, but applying boron fertilizer coordinated with nitrogen and phosphorus had greatly increased the yield.
田间试验结果，单施硼肥增产不显著，而在适量氮肥和磷肥的基础上配合施用硼肥能显著地增加芝麻的产量。
This paper Introduces a method for determining Boron in humic acid fertilizer by the pretreatment technique of oxygen bomb combustion and the analytic method of acid-base titration.
介绍了一种用氧弹燃烧灰化技术和酸碱滴定法测定腐植酸硼肥中硼的方法。
The methods of continuous water extraction and the pot experiment of tobacco are carried out to study the release characteristics and fertilizer effect of promoted-release boron sludge (PRBS).
采用连续浸提、盆栽试验的方法，研究促释型硼泥的养分释放特点及其肥效。
Three foliar fertilization (amino acid liquid fertilizer, boron and urea) were researched effect on yield of new Gala apple.
研究三种叶面肥(氨基酸、硼和尿素)对新嘎啦苹果产量的影响。
Three foliar fertilization (amino acid liquid fertilizer, boron and urea) were researched effect on yield of new Gala apple.
研究三种叶面肥(氨基酸、硼和尿素)对新嘎啦苹果产量的影响。
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