Plant Nutrients Sixteen chemical elements are known to be important to a plant's growth and ... These elements are sometimes called minor elements or trace elements, but use ...
威寶綜合植物微量元素 - 禾康有機肥料禾康肥料購物網站 水溶性極佳的綜合有機微量元素，葉面噴灑、土壤灌注均宜， 可廣泛使用於果樹、 蔬菜、花卉及一般農作物。 可促進作物對 ...
