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? Are these not the nodules that fix the nitrogen in the soil and improve it I sowed the seeds myself and planted them Geoff. Regarding nitrogen nodules, I had heard that it is best to leave the roots in the ground for a while to increase the nitrogen but I didn't know how

Chris Beardshaw demonstrates how to remove blanket weed from a pond and offers advice on adding marginal plants and oxygenators to reduce excess nitrogen.summerMore water gardening advicePlanting marginals in a containerGrowing marginal pond plants

All plants need nitrogen, potassium and phosphorous to thrive, plus various trace elements. Without nitrogen the leaves turn yellow and growth is spindly. Potassium generates good flowering and fruiting and helps ripen wood. Plants lacking potassium

it a potassium rich fertiliser. It sounds like the sort of symptom caused by a nitrogen rich soil. Is it in a lawn, and if so,have you been feeding the lawn?

Learn how to turn clumps of stinging nettles to your advantage, by turning them into nitrogen-rich, liquid plant food, in Rachel de Thame's video guide.sping-summerMore tips on nettles and feeding plantsRemoving stinging nettles from your garden

. The same is true of weeds and grass cuttings. All things take nitrogen out of the soil as they break down and produce heat, neither of which would help plants grow. With clay soil you also need to add grit to help break it up - buy from a builders' merchant

Dog urine contains a very high concentration of nitrogen. While nitrogen can produce a fertilising effect that promotes growth, large amounts in a concentrated area can result in dead patches of lawn. Bitches in particular cause the greater damage

to use. Many thanks.......TGG. The nutrient balance in it can change - nitrogen, for example, can go up. Rather than throw it, or use it as mulch to improve garden soil, mix half and half with some fresh compost and use it.

of the specialised food! Also i have not got the dreaded scale insect problem that i have suffered in the past! Obviously this is still under trial but thought it worth sharing this tip! Very interesting. Citrus usually need a relatively high nitrogen component, much

, they make their own in the roots. Too much nitrogen (blood) and you get too much leaf and not enough flowers.  If you sprinkle it after you have planted, make sure you water it in well, and don't leave any on the leaves.