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Questions and Answers
The ideal pH for rubber planting is $6.5$.
The ideal pH for rubber planting is $6.5$.
False
The minimum temperature required for rubber planting is $250$.
The minimum temperature required for rubber planting is $250$.
False
Rubber planting requires a rainfall of $1500$ mm per year.
Rubber planting requires a rainfall of $1500$ mm per year.
False
Good soil aeration for rubber planting is $20%$.
Good soil aeration for rubber planting is $20%$.
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The elevation for rubber planting should be above $1000$ m above sea level.
The elevation for rubber planting should be above $1000$ m above sea level.
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In areas with big trees, clear the large trees first and then the undergrowth.
In areas with big trees, clear the large trees first and then the undergrowth.
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In cogonal areas, it is recommended to remove the cogon grass only along the expected rows of rubber.
In cogonal areas, it is recommended to remove the cogon grass only along the expected rows of rubber.
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Land preparation in hilly areas involves plowing the area twice before laying out.
Land preparation in hilly areas involves plowing the area twice before laying out.
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Cutting and heaping smaller trees is done along the expected rows of rubber to facilitate land preparation.
Cutting and heaping smaller trees is done along the expected rows of rubber to facilitate land preparation.
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Land preparation in flat but cultivated areas involves contour lining and land terracing.
Land preparation in flat but cultivated areas involves contour lining and land terracing.
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