春耕施肥的技巧与禁忌，务必牢记！有需要的朋友们，赶紧过来，我们一同探讨。

1.施尿素后需避免立即浇水

在施入尿素至果树之后，不宜立即进行灌溉，因为尿素在土壤中转化为酰胺后，如果急速浇水，则可能导致其流失。更不得在雨季施用，以免损失营养。

2.慎用硝酸铵对果树

种植果树时，对于硝酸铵的使用须格外谨慎，一旦过量，可引起中毒。

3.长期施硫酸铵易破坏土壤结构

市售硫酸铵作为生理性质的肥料，在持续应用于同一土地上，便会增强土壤酸性，影响团粒结构。如果用于碱性土壤，它的铵离子将被吸收，而剩余之酸根则留存于地面，与钙反应造成硬化。

4.微量元素不可偏废

现代作物栽培重视微量元素，但应注意，不可仅依赖微肥。锌、钼、硼及稀土等虽对作物“缺症”有效，但应避免过度依赖以防止营养不良影响生长发育。

5.碱性与氮态混用需谨慎

由于碱性肥料与氯化铵类似品混用，将导致氨气挥发减少，从而降低效益。

6.化肥与根菌混合需小心

因其强腐蚀、挥发和吸湿特性，若和菌肥混合使用，可杀死或活菌致使无效。

7.尿素碳铵不能共处

春季给果树施药时，常选用的尿素及碳铵但两者不应混配，因尿素中的酰胺态氮只能经过腺酶转变为可利用形态，而 碳铿亦可能促进短暂性的地面溶液呈现出适合转变过程中的较高pH值，从而加剧了原有氮质蒸发。此类多样化策略确保农事活动不会浪费任何资源。

8.不要轻易将二者混合使用

种植者追补春季所需细分植物时，也会投放菌剂进入泥土内。但是，由於碳銠會釋放一定濃度氣體對於含有活細胞之種類會產生毒害作用，因此應避免這兩者的組合與使用。

9.acidic & alkaline fertilizers must not be mixed together

During springtime, fruit trees are often in need of nitrogen, so the farmer will correspondingly add some nitrogen-based fertilizer to the soil; however, it is crucial to avoid mixing acidic and alkaline fertilizers together as they can react and cause a loss of nitrogen.

10.do not use unfermented manure

It's important to note that under no circumstances should you use unfermented manure on your plants as it can cause burning or release harmful gases during its decomposition process.

11.don't overdo with high concentration fertilizers

Some farmers might fear that their crops won't grow well if they don't provide enough nutrients through fertilizers; therefore, they increase the amount used but this excessive application may harm plant roots directly affecting growth.

12.prevent surface application of phosphorus-based fertilizers

Phosphorus has poor mobility in soil and when applied superficially it tends to be absorbed by the soil particles causing reduced effectiveness.

In summary, these are principles for spring planting season fertilizer usage which every agricultural enthusiast should learn from and share more knowledge points for mutual understanding.

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