Watermelon is a fast, high-value crop where quality is measured directly — brix, or sugar content, is what determines the price. Potassium supply during fruit sizing is the single largest nutritional lever on that number.
It is usually grown on light, sandy soils that drain quickly and hold very little, and those same soils carry a real Fusarium wilt risk that builds with repeated cropping.
Tembikai adalah tanaman pantas bernilai tinggi yang dinilai berdasarkan kemanisan. Kalium semasa pembesaran buah adalah faktor pemakanan terpenting.
Ia biasanya ditanam di tanah berpasir yang lemah menyimpan nutrien dan berisiko penyakit layu Fusarium apabila ditanam berulang.
Light soils lose nutrient rapidly, so a large single application often delivers far less to the plant than the invoice suggests.
Repeated cucurbit cropping on the same ground builds Fusarium populations, and infected plants cannot be treated once symptoms appear.
A heavy crop of low-brix fruit is a commercial failure. Nutrition through fruit sizing matters as much as total tonnage.
Built to work alongside your existing fertiliser programme, not replace it outright.
Humic and fulvic acids raise nutrient-holding capacity in exactly the light soils that lose potassium fastest, supporting the sustained supply that brix depends on.
Read more about NEXGROW →These published rates apply to NEXGROW Bio-Organic only. Use only the stages and frequency stated in the source; ask our agronomy team before adding applications at other stages.
| Usage | Bio-Organic dose |
|---|---|
| Mixed during soil preparation, before planting | 500 g / m² |
Source: NEXGROW product booklet.
Considering another fertiliser? Select a product to ask about suitability, growth stage and application rate for your crop. These links are enquiries, not recommendations to apply every product.
We'll test your soil, design a watermelon programme around the result, and set up a trial block at no cost or obligation.
