## What is the seed rate for rice?

between 40 to 100 kg per ha

Seed rates are typically adequate between 40 to 100 kg per ha.

## What is the seed rate of hybrid rice variety in India?

Hybrid Rice Cultivation

Seed rate | – | 20 kg per hectare |
---|---|---|

Age of seedling | – | 20 to 25 days |

Spacing (cm) | – | 20 x 10 (50 hills/m2) or 25 x 10 (40 hills/m2) according to soil fertility |

Seedlings/ hill | – | One (along with tillers if already produced) |

Fertilizer | -: | 175:60:60 kg N, P2O5 and K2O/ha |

**What is hybrid rice seed?**

Hybrid rice is a type of rice that has been bred from two very different parents. It can signficantly outyield other rice varieties. IRRI is working with its partners to develop new and improved hybrid rice varieties.

### What is the average seeding rate?

For conservation purposes, seeding rates have been established to achieve the desired plant density of around 20-60 live seeds per square foot. These figures are fairly standard when figuring seeding rates except when you are dealing with very large or very small seed sizes (e.g. eastern gamagrass vs. bermudagrass).

### What is the seed rate for rice per acre?

Seeding rates differ somewhat for hybrid rice varieties, which Street says should be planted at 30 pounds per acre, or about 14 seeds per square foot. A seeding rate of 14 seeds per square foot usually results in a stand of 8 to 10 plants per square foot.

**How do you calculate seed rate?**

Sowing rate (kg/ha) = target plant population (p/m2) x TGW (g) x 100. % germination x % emergence.

## Which is the first hybrid rice combo?

In 1973, Yuan successfully developed the first hybrid rice combination named ‘Nan-you No. 2’ with yields 20 per cent higher than previous varieties. This means that it could feed an extra 70 million people a year.

## How many seeds are planted in one acre?

In extension studies, seeding rates used are typically between 75,000 and 225,000 seeds per acre.

**What is seed rate per hectare?**

Seed Rate: Seed rate is 15-20 kg/ha for kharif and 25-30 kg/ha for spring or rabi. Spacing: Row-to-row distance is 30-35 cm for kharif and 25 cm for rabi or spring.

### How do you calculate seedlings per hectare?

Plants Per Hectare Formula To calculate the plants per hectare, divide 10,000 by the product of the space between plants and the space between rows.

### Which hybrid paddy is best?

SL | Rice Hybrids | Recommended for |
---|---|---|

1. | APHR 1 | Andhra Pradesh. |

2. | APHR 2 | Andhra Pradesh. |

3. | MGR 1 | Tamil Nadu. |

4. | KRH 1 | Karnataka. |

**Which is the first rice hybrid in India?**

Agricultural researchers at the Karjat Research Centre, Maharashtra, have developed the nation’s first hybrid rice variety — krh-1. This new variety has an aroma like the famed basmati rice and is classed as a ‘superior’ type. Besides, it can be cultivated in all rice-growing states of India.

## Which is known as Miracle rice?

In November 1966, IR8 was introduced in the Philippines and India. Promoters such as the IRRI and farmer benefactors of IR8 have called it ‘miracle rice’, and celebrate it for fighting famine.

## How do I calculate how many seeds I need?

Take the total number of inches available for the crop and divide by the in- row crop spacing. For instance, 120 in. divided by 1 in. per pea seed equals 120 pea seeds.