Which of the following was not a technique used in the first green revolution

Biotechnology is the necessary way to increase food production without affecting other lands, avoiding risks of erosion, catastrophic floods or decreasing biodiversity.

Green Revolution is the denomination used to describe the significant increase in agricultural productivity and therefore of food between 1960 and 1980 in the United States that later spread to other countries.

The green revolution consisted of planting improved varieties of corn, wheat and other grains, growing a single species in a field throughout the year,

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )