Sunday, December 13, 2009

panen protein 9 ton per hektar per tahun !!!!!

Azolla spp.

Lha ini... satu lagi makalah menarik dari FAO, membahas tentang tumbuhan air jenis azolla, yang banyak tumbuh di sawah-sawah tergenang sehabis panen atau di rawa-rawa kecil sekitar rawapening, seperti rawa mbalong ngampin, rawa mbalong pengkol, rawa balong setro, dan sawah-sawah lumpur dalam yang tidak bisa ditanami padi.

Azolla ini mempunyai kandungan crude protein tinggi, yaitu 24%!!! sangat tinggi bukan???........Ini berita bagus..... daripada azolla cuma ditumpuk dipematang atau dihanyutkan ke irigasi, lebih baik dibawa pulang buat campuran pakan ternak, seperti bebek, angsa, ayam, kambing, sapi atau dilempar ke kolam grass carp dan tawes.

Untuk yang pingin serius memanfaatkan azolla, misalnya untuk bahan pelet ikan atau pelet unggas; katanya peneliti FAO, azolla dalam 7 hari beratnya bisa menjadi 2 kali lipat, 1 hektar permukaan air bisa menghasilkan 9 TON PROTEIN per tahun. Lumayan..... eh bukan lumayan lg tuh!!! sumber protein melimpah biaya murah....... kalo mau serius usaha pelet, sawahnya gak usah tanami padi lg, dirubah aja jadi kolam azolla tuh.....

Azolla ini bisa juga dijadikan pupuk untuk padi disawah, karena kandungan Nitrogennya yang tinggi, bisa berfungsi seperti urea. Yaitu dengan cara dibenamkan atau pada saat membajak sawah, air sawahnya dibuang dulu, supaya azolla nya ikut terbalik bersama lumpur dan terpedam menjadi pupuk.

Ayo segera manfaatkan protein gratis dan berlimpah ini untuk ternak kalian, sekarang ini, orang lagi gencar-gencarnya mencari sumber protein yang murah dan melimpah. Lihat aja harga pelet ikan yang sumber proteinnya dari tepung ikan....... harganya sudah tembus Rp 5000 per kilo, ikan kok makan ikan........ pantesan ternak lele pake pelet pabrik gak ekonomis.

berikut cuplikan berita penelitian dari badan pangan dunia FAO;

Six tropical and warm species (A. filiculoides, A. pinnata, etc.). The aquatic fern Azolla contains a symbiotic, heterocystous, blue-green alga, Anabaena azollae within cavities in its leaves. By the process of nitrogen-fixation the alga is capable of fulfilling the N requirements of the association.

An Azolla plant consists of a short, branched, floating stem, bearing roots which hang down in the water. Each leaf is bi-lobed, the upper lobe containing green chlorophyll while the lower lobe is colourless. Under certain conditions, an anthocyanin pigment, also occurs giving the fern a reddish-brown colour. This is particularly associated with over-fertilization of ponds, pollution and excess sunlight. Shaded conditions are preferred to full exposure to tropical sunlight.

The plant is highly productive with the ability to double its weight in 7 days. It can produce 9 tonnes of protein per hectare of pond per year. It is used as green manure (in rice paddies), stock feed and for controlling mosquitoes by blocking water-surface. Because the fern can form dense mats on water surfaces, it is classified as a water weed in many areas.

Azolla has reportedly been used as a feed for pigs and ducks in SE Asia; for cattle, fish and poultry in Vietnam; and for pigs in Singapore and Taiwan. It is described as an excellent substitute for green forage for cattle in Vietnam and may replace up to 50% of the rice bran used as feed for pigs in that country.

Although very low in DM, it contains a high level of protein (24% Crude Protein). The amino acid composition of Azolla compared well with reference protein sources. Methionine is low, as with many leaf proteins, but the value for lysine is more than twice that of corn.

As a supplement for growing pigs, performance was reduced compared to controls in the growing phase but the animals compensated and grew faster in the period from 24-89 kg. It has been used as a sole feed for lactating sows which have a higher intake to deal with the low DM content.

Ducks (650-1800g LW) consumed 350g Azolla when given free-choice with sugarcane juice and soya (about 5% of the diet). It is also used for grazing ducks and geese in paddy fields where the Azolla is used as a fertilizer.

ahli azolla berkata;
Azolla can grow very well in between 25 to 30 degree celcius.Growth will retard below 10 degree celcius.For growth of azolla 50% shading net (green colour)is useful in Maharashtra ,Karnataka and in AP. For one cow,6 sq mt azolla bed can provide 3 kg azolla per day.Azolla can be given @ 10% of concentrate on dry matter basis.Azolla contains 90% moisture and 10 % dry matter.For 35 cows ,the area required for azolla is 210 sq.meter to provide 3 kg azolla per cow per day.This information is based on work experiments with farmers.

bagi yang mau belajar komplet ttg azolla dan tetek bengeknya ada di Humanity Development Library, link ttg azolla;


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