Know how to use blue green algae in paddy cultivation

21/07/2022Posted on

  • It is a nitrogen fixing bacteria blue green algae which are photosynthetic microorganisms, which help in the fixation of nitrogen.

  • Blue-green algae are also called “cyanobacteria”. This microorganism is qualitatively more beneficial than the rest of the bacterial class. Hence they are called cyanobacteria. 

  • Not all blue-green algae help in nitrogen fixation. Some species of blue-green algae are Anabaena azollae, Anabaena fertilizer, Anabaena levenchari, Nostoc, Phormidium, Oscillatoria, Trichodesmium, etc., help in nitrogen fixation.

  • These species of blue-green algae include both heterocyst-containing and non-heterocyst species; blue-green algae are very useful for paddy crops.

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Advantages of Biasi in direct sowing method in paddy crop

03/07/2022Posted on

Most of the paddy cultivation is done by direct sowing method. In this, after ploughing the field after the onset of rain, the seeds are covered by running a country plough or leveler, after sowing the seeds. After 30-35 days of sowing, when plant height is upto 10 to 15 inches and water level is upto 15-20 cm, ploughing is done in the standing crop.

  • Due to this, the soil becomes swampy, which helps in the growth of crops.

  • Where there are more plants per unit, then by ploughing, the plants come out from the root, after that they can be transplanted at the place where the plant number is less. 

To get more yield, it is necessary to do improved seeding, so that along with weed control, and improving soil fertility and air circulation, more yield will be obtained. It improves soil fertility and air circulation along with weed control.

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Why is land preparation necessary for paddy cultivation?

24/06/2022Posted on

It is very important to prepare the field properly. Well prepared land is weed free and water holding capacity is also high and organic matter found in the soil works well. Due to this, the root development of the plant takes place properly.

For paddy crop, the field should be prepared by first ploughing with soil-reversing plough and 2-3 ploughing by cultivator, after that the field should be leveled uniformly, also strong linhay should be made in the field from all sides. It should be done so that rainwater can be stored in the field for a long time, an unusual field is made level by mud method. Maintains normal water depth in the field. Leveling of the land is very important to increase the use of water. A good tillage keeps the availability of oxygen in the cultivable land.

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