000 AT&T; LTE 9:35 AM Characters Words 772 What is the main problem with using b

Question

000 AT&T; LTE 9:35 AM Characters Words 772 What is the main problem with using broad-spectrum pesticides? Select one: a. They kill crop-eating and beneficial insects.88ERE b. They kill everythingincluding humans d. They promote the growth of beneficial insects which upsets the natural balance are too diluted to kill anything222 Which of these practices causes salinization of farmland? Select one: a. synthetic fertilizers b. deep plowing c. pesticides d. irrigation e. Integrated pest management A farmer has planted a field of clover as a cover crop to protect his field from erosion during the winter months. In the spring, he plows the clover into the topsoil. What kind of fertilizer does this technique create? Select one: a. green manure b. synthetic c. animal manure d. compost e.milorganite

Explanation / Answer

1. a. They kill crop eating and beneficial insects.

Broad-spectrum pesticides is a pesticide that kills a variety of organisms, including beneficial organisms, in addition to the target pests.

2. d.

Salinization is the build up of salt in the soil over time. Salinization can be caused by excessive irrigation. Water deposits salts which prevent infiltration and leaves water closer to the surface.

3. a. green manure,

Green manure is created by leaving uprooted or sown crop parts to wither on a field so that they serve as a mulch and soil amendment

Related Questions

Navigate

• Browse (All)
• Browse
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.