What is the characteristic of mulching?

Mulching, also called "padding", is a technique already widely used in agriculture and gardening. It consists in forming a weather-resistant physical barrier on the ground surface and in adverse weather conditions, and offers numerous benefits for the most diverse crops.

Mulching first shredders used were made with organic materials, but over time the technique has evolved and today the best method of applying shredders is to use used plastic films. The options are black mulching, black and white mulching, and black and silver mulching. Each has different features to adapt the need for soil and its cultivation line. Its use is common for strawberry, melon, tomato, pineapple, bell pepper, lettuce, eggplant, grape, ornamental palm, among others.

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

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