Often asked: How Does Flooding Rice Fields Reduce The Need For Herbicides And Pesticides In Rice Farming?

How does flooding rice fields reduce the need for herbicides and pesticides in rice farming a while Rice has a submerged growth state most weeds and pests do not?

How does flooding rice fields reduce the need for herbicides and pesticides in rice farming? a. While rice has a submerged growth state, most weeds and pests do not. Flooding the fields causes the soil to degrade so weeds cannot take root.

Which of the following is most damaging method of soil remediation?

Soil excavation and disposal is the most damaging method of soil remediation. The removal of the topsoil, including vegetation, is called excavation.

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Which of the following are some reasons for the variations in agricultural?

Explanation: There are variations in agricultural practices around the world because of the topography of the land, as it relates to soil erosion, difficulty of tillage and poor transportation facilities. It is an important decider for the variations in agricultural practices around the world.

What is the purpose of strip cropping a prevent soil erosion B maintain nutrient levels?

The correct answer is A. prevent soil erosion. It is a process in which farmers gather crops in alternate strips instead of just going all out and picking up everything that they can.

How can pesticide use be harmful to human agriculture?

Pesticides kill useful soil microbes too. Use of pesticides results to make soil toxic for plant growth. Pesticides may reach animals or human via food chain and cause harm.

What is the difference between selective breeding and genetic engineering in the development of food crops with desirable traits?

Selective breeding is the traditional method for improving crops and livestock, such as increasing disease resistance or milk yield. Genetic engineering is a faster way, which transplants genes for a desired characteristic into an organism.

Which of the following is a way that climate affects soil formation?

Climate affects soil formation by determining the rate of weathering and erosion. Warmer temperatures and increased rainfall increase the rate of weathering, contributing more mineral material for soil formation. These organisms contribute to the type of soil formed.

What causes soils and their horizons to differ?

All of the options given can cause soil horizons to differ. Climates can affect the type of soil and the composition (A), the animal and plant life that decomposed to form the soil can alter the composition (B), and the land’s layout (C) can have an effect on how the soil forms and its constituent elements.

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What is the purpose of strip cropping?

Strip cropping helps to stop soil erosion by creating natural dams for water, helping to preserve the strength of the soil. Certain layers of plants will absorb minerals and water from the soil more effectively than others.

What is the meaning of shifting cultivation?

Shifting cultivation is defined by FAO (1982) as “a farming system in which relatively short periods of cultivation are followed by relatively long periods of fallow.”

Which of the following best explains why soil conservation is important to human agriculture?

Which of the following best explains why soil conservation is important to human agriculture? It is easier to prevent the degradation of old soil than it is to generate new soil.

How do organic farming practices relate to soil health?

Soils rich in organic matter hold more air and water and produce higher yields than soils low in organic matter. They also supply a steady release of nutrients to plants, inhibit erosion, and host a robust population of beneficial microorganisms.

What are 3 methods of soil conservation?

List out three methods of soil conservation

  • Following methods are normally adopted for conserving soil:
  • Afforestation:
  • Checking Overgrazing:
  • Constructing Dams:
  • Changing Agricultural Practices:
  • (i) Crop Rotation:
  • (ii) Strip Cropping:
  • (iii) Use of Early Maturing Varieties:

What are the 4 methods of soil conservation?

Soil conservation practices are tools the farmer can use to prevent soil degradation and build organic matter. These practices include: crop rotation, reduced tillage, mulching, cover cropping and cross-slope farming. farmers to increase soil organic matter content, soil structure and rooting depth.

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How can we preserve soil quality and quantity?

Soil Quality Management: Key Strategies for Agricultural Land

  1. Enhance organic matter.
  2. Avoid excessive tillage.
  3. Manage pests and nutrients efficiently.
  4. Prevent soil compaction.
  5. Keep the ground covered.
  6. Diversify cropping systems.

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