Global Rice Cultivation Systems: PTE Listening: Fill in the Blanks practice questions

Traditional wet farming keeps fields continuously submerged, but alternative techniques are gaining across many agricultural regions. Instead of flooding paddies throughout the entire growing , farmers using modified methods apply water intermittently. This approach alters soil chemistry and encourages much stronger development in young plants. Field trials show that widely spaced seedlings produce more vigorous tillers and larger grain heads. Furthermore, reducing stagnant water substantially cuts greenhouse emissions without compromising harvest . Because the method relies on careful management rather than expensive chemical inputs, smallholders often achieve higher financial alongside improved ecological outcomes.

In floodplains where monsoon waters rise rapidly, conventional crop varieties quickly drown and rot. Farmers in these river basins rely on deepwater rice, an extraordinary plant capable of rapid elongation. As water levels increase, specialised internal hormones stimulate the stem to grow several centimetres each day, keeping the upper foliage above the surface. The plant relies on internal air to transport gases down to submerged tissues. While total grain production remains compared to modern high yielding strains, this resilient crop provides a crucial food supply in regions prone to seasonal where no other staple cereal could survive.

Constructing steep hillside paddies requires extraordinary engineering skill and collective social . Mountain communities carve stepped terraces into slopes to capture rainfall and prevent fertile topsoil from washing away. Complex networks of bamboo pipes and stone channels guide water from highland streams across hundreds of individual . Maintaining this delicate hydrological balance demands continuous from entire villages, as any structural breach can trigger severe erosion. Beyond their practical function, these landscapes foster rich biodiversity by creating varied microclimates that support beneficial insects, amphibians, and aquatic plants alongside the primary crop.