Science, asked by churchgirlkellie, 1 year ago

What are 4 factors to be considered before applying fertilizers

Answers

Answered by xevilplaylistx
17

HEYA MATE !

:fertilizer can be dissolved and absorbed through the roots.

:Cost is a significant factor, especially since fertilizer prices have continued to increase during the past few years.

:The amount of fertilizer applied.

:The total amount of nutrients taken by the crops in one sequence gives an indication of the fertilizer requirement of the system.

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Answered by varshu724
6
Hey mate

Answer:-Factors for Determing the Fertilizer Schedule are:

1. Soil supplying power.

2. Total uptake by crops.

3. Residual effect of fertilizers,

4. Nutrients added by legume crops.

5. Crop residues left on the soil.

6. Efficiency of crops in utilizing the soil and applied nutrients.

1.Soil Supplying Power:

Growing different crops during different seasons alters the soil nutrient status, estimated by soil analysis at the beginning of the season. The soil supplying power increases with legume in rotation. Fertilizer application and addition of crop residues. The available nitrogen and potassium in soil after groundnut are higher to initial status of the soil. But after pearl millet, only potassium status in the soil is improved and no changes in P.

2. Nutrient Uptake by Crops:

The total amount of nutrients taken by the crops in one sequence gives an indication of the fertilizer requirement of the system. The balance is obtained by subtracting the fertilize applied to crops that nutrient taken by the crops.

3.Pest and Diseases:

Pest and diseases infestation more in sequence cropping due to continuous cropping, carry over effect of insecticides is not observed.

4. Harvesting:

In sequences cropping crop can be harvested at physiological maturity stage instead of harvesting maturity. The field can vacate one week earlier. Because of continuous cropping the harvesting time may coincide with heavy rains and special post harvest operations, like artificial drying, treating the crop with common salt etc. are practices to save the produce. Integrated farming system, components and its advantages.

India with 2.2 percent of global geographical area support more than 15 percent of the total world population, 70 percent of who depends on agriculture. It is also support nearly 15 percent of the total livestock population of the world.
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