day twenty-three 24april 2015

WEATHER

baro 1026.4 hPa | rain 1.0 mm | soil temp …

temp high 17.1 oC temp low 12.1 oC

wind 5.4 km ESE | humidity 93% | cloud clear, 220 m

we’re finishing our assessment on “IRRIGATION SYSTEMS IN HORTICULTURE”

we transplant seedlings to our three gardens

PLAN

garden beds as per 24/4

garden beds as per 24/4

and apply ‘blood&bone’ around the fruit trees by the carpark and water the trees

BLOOD AND BONE

Blood & bone Blood and bone is a good general, though not complete, plant food that’s made from waste material. Its content is about 6 per cent nitrogen and 7 per cent phosphorous, both of which are released gradually into the soil. It doesn’t, however, contain any potassium so, if you’re using it to feed your veges, add sulphate of potash (about 1 part of sulphate of potash to 10 parts of blood and bone). Alternatively, you could apply blood and bone in spring and potash later in the year when flowers and fruit are forming. Other popular organic fertilisers include fish oils applied as a liquid foliar feed. The potent smell is said to deter pests like aphids and whiteflies from roses and such-like, as well as giving plants resistance to blight and mildew. However, some gardeners say it repels them more. Liquid fish fertilisers also need to be reapplied frequently throughout summer. The internet is full of suggestions for more everyday organic products, such as iron and nitrogen-rich coffee-grounds and banana peels for potassium. In general, these have low levels of nutrients at best, but at least they seem to do no harm to the plants you’re trying to cosset. – See more at: http://nzgardener.co.nz/top-10fertilisers/#sthash.QnqXRDMP.dpuf

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