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farmers identify the first the ph level of the soil before they plant to ensure that plants grows well
This is not an advantage...crops should be rotated or you will deplete the nutrients in the soil.
To check the acidity of the soil
For them to have room to grow
The farmer hoed the soil to prepare it for planting.
Terracing & planting certain types of trees & shrubs to protect the soil structure.
The alternating with pulses, a nitrogen fixing plant, helps replenish what's lost while planting wheat and paddy. The pulses aid in restoring the amount of nitrogen back into the soils.
because if you didn't plow the land before planting, the seeds will die because of lack of nutrients.And if you didn't harrow the land before planting, there would be many weeds that will get more nutrients of the soil.
yes, because you want to get rid of anything that will hinder your planting, wed, trash, etc.
11.5 percent pro reffering to wheat may mean the type of seeds a farmer is using. It may also refer to nutrients added to the soil where the wheat is growing.
to keep the soil moist
Soil depletion. The soil's nutrients would be "mined" out of the soil if the same crop was planted in the same feild year after year. That's why it's more healthier to plant a cereal crop in the field one year, then the next have a pulse crop in like lentils, peas, canola, or whatever pulse/leguminous crop that will grow well in that area.