Nitrogen and magnesium deficiencies in particular can cause your tomato leaves to turn yellow, with the latter being a common ...

Especially avoid high-nitrogen fertilizer as it can cause problems with the uptake of calcium. Do not cultivate closer than 1 foot to plants to avoid damaging roots. If tomatoes develop blossom ...

Nitrogen promotes better growth ... while boron and copper deficiencies are not often found in tomatoes. However, if boron deficiency occurs, it results in fruit cracking, pitted and corky ...