biasalah tu projek JP, apa peduli duit rakyat, janji boleh habiskan bajet tahun tu, menkayakan contraktor RPH dan kroni2.........pusing sini, pusing sana ada masyuuuuk juga.
kita yang betul2 perlukan RPH depa tak pandang........tak ada interest wat per nak susahkan diri. memang banyak saya tengok RPH tanam rumput jer. yang bagi kendalikan, tak kisah, bukan modal aku buat tu.........
RPH 20 x 100 tu mahal giler, saya buat costing dalam RM 8,000 jer siap kelambu sekali dan ada air vent.
tul tu abg mat..masa saya tak tau nk cari material tu yg dpt harga mcm tu..skrg bila dh jumpa suplier..kosnya lebih kurang abg mat gak..kalau masa saya ada budget hari tu dpt jmp suplier..comfirm dlm hujan pun dgn tenang saya petik cili..haha..yg dapat buat pun utk rumah semai je..18x12..jadi le...
di negara luar, penggunaan kawalan biologi daripada haiwan seperti ayam api2 @ guinea fowl selalu saya baca. pada pandangan rakan rakan di sini, sejauh manakah keberkesanan penggunaan ayam api mutiara ini dapat mengawal serangga perosak.(maaf kalo lari dari tajuk)
article berkaitan penyakit mildew dan rawatan cara organik:
Topic
Mildew, Powdery
Fungal disease causing a white or gray, powdery, growth on the lower leaf surface and flowers buds of zinnias, crape myrtles, many vegetables, phlox, lilac, melons, cucumbers and many other plants. It is common during cool, humid, cloudy days. Leaves turn yellow on the top. Controls include baking soda spray, potassium bicarbonate, neem, garlic, and horticultural oil. Garrett Juice plus garlic tea is best for long-term results. Treat soil with horticultural cornmeal and use the entire Sick Tree Treatment for serious problems. This disease can cause long-term weakness when it occurs early in the growing season. This common fungal disease is increased by humidity but actually deterred by water. Spray neem every 7 days for severe cases.
Crape Myrtle Powdery Mildew
Powdery mildew attacks crepe myrtles and other plants especially during humid weather. The control is to apply horticultural cornmeal to the root zone at 2 lbs. per 100 sq ft and spray the foliage with Garrett Juice plus either potassium bicarbonate or cornmeal juice. Cornmeal juice is made by soaking a pound of cornmeal in 5 gallons of water. Put the cornmeal in a nylon bag made from old panty hose or whatever to keep the larger particles from getting in the water. This cornmeal juice can be used alone or mixed with compost tea or Garrett Juice. The new Plant Wash product from Soil Mender works even better.
Potassium bicarbonate Fungicide
Mix 4 teaspoons (about 1 rounded tablespoon) of potassium bicarbonate into one gallon of water. Spray lightly on foliage of plants afflicted with black spot, powdery mildew, brown patch and other fungal diseases. Potassium bicarbonate is a good substitute for baking soda. There are commercial EPA registered as well as generic products available. Baking Soda Fungicide
Mix 4 teaspoons (about 1 rounded tablespoon) of baking soda and 1 tablespoon of horticultural oil into one gallon of water. Spray lightly on foliage of plants afflicted with black spot, powdery mildew, brown patch and other fungal diseases. Avoid over-using or pouring on the soil. Potassium bicarbonate is a good substitute for baking soda. Citrus oil and molasses can be used instead of horticultural oil.
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Bagus info tu, cuma saya tak setuju pendapat dia yang molasses boleh pakai untuk ganti minyak. Nak cari penyakit boleh la... molasses tu kalau masih fresh (belum proses e.g EM) akan jadi penarik segala macam serangga samada baik atau jahat. Lebih kurang kita bagi kad jemputan mai kenduri. Tak stop kat situ je, serangga ni datang tolong angkut hama sekali... seminggu lepas spray tengok la daun pokok mula kerepot/kerinting.
Saya cakap berdasarkan pengalaman. Sabun, minyak, susu... semua ni ok. Molasses, jangan cari pasal.
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GROUP DISCUSSION: buat RACUN/PESTICIDE/INSECTICIDE
tau takpe...
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