Sustainable agriculture. Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

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Answer 1

Question

Chapter 37, Problem 2IQ

a.

Summary Introduction

To describe: Sustainable agriculture.

Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

b.

Summary Introduction

To describe: N-P-K ratio.

Introduction: In general, the soil lacks essential nutrients that are required for the optimal growth of the plant. Plants require six essential nutrients, namely carbon, oxygen, nitrogen, hydrogen, potassium, and phosphorous. All fertilizer label may provide the information relating to the contents of its N-P-K and it is expressed as number ratio.

c.

Summary Introduction

To describe: The way how soil is associated with toxic aluminium ions (Al³⁺)?

Introduction: The productivity of the crop on acid soil is majorly affected by the aluminium (Al) toxicity. Plants grow in soil that has increased levels of toxic Al and may show symptoms of nutrient deficiency, like pale color and stunted growth.

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1.1 Microbes in the soil could be beneficial to plants and one way to evaluate this is by determining the R/S ratio. Define the R/S ratio. 1.2 Both rhizospheric and root-free soils were collected from five (5) plants before (BT) and after (AT) treatment. Using the microbial biomass that appear in Table 1, the R/S ratios before (BT) and after (AT) can be determined. Use these values to determine the respective R/S ratios. Kindly show all workings. Microbial population Before Treatment (BT) Plants R/S Microbial population After Treatment (AT) R/S ratio ratio (BT) (AT) Rhizospheric Non- soil (CFU) Rhizospheric Non- rhizospheric soil (CFU) soil (CFU) rhizospheric soil (CFU) Typha sp. 764 168 988 186 Pistia sp. 286 86 386 112 Salvinia 397 132 528 166 sp. Lemna sp. 274 121 406 152 Eichhornia 443 140 648 196 sp.

It is June in Fresno and the officials at the water district have just reduced your irrigation ration by 26%. In the field, you determine that the water potential in your soil is -1.68 MPa while the water potential of your crop is -1.62 MPa. Question A. Is your crop able to take up water from the soil? Explain. Question B. It is now late August and your soil water potential is -2.10 MPa, fortunately, you have been granted one magic wish in altering the physiology of your crop to increase its ability to take up water, however, you must choose from one of the options below. Fill in the values denoted by the ? as needed, and select the option that will cause the greatest water uptake by your crop. Option Vs (MPa) Vp (MPa) Vw (MPa) -1.90 0.00 -2.59 +0.13 -2.4 -2.09 -2.05 -2.28 +0.17 4.

43. Two soil samples, A & B, at same soil moisture levels are placed in contact with each other. Water will more likely move from soil B to soil A if their osmotic potentials, expressed in kPa, are: O A=-30; B=-70 O A=-10; B=+10 O A=-60; B=-10 O A=-50; B=-100 OA=-20%; B=-20

Answer 2

Question

Chapter 37, Problem 2IQ

a.

Summary Introduction

To describe: Sustainable agriculture.

Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

b.

Summary Introduction

To describe: N-P-K ratio.

Introduction: In general, the soil lacks essential nutrients that are required for the optimal growth of the plant. Plants require six essential nutrients, namely carbon, oxygen, nitrogen, hydrogen, potassium, and phosphorous. All fertilizer label may provide the information relating to the contents of its N-P-K and it is expressed as number ratio.

c.

Summary Introduction

To describe: The way how soil is associated with toxic aluminium ions (Al³⁺)?

Introduction: The productivity of the crop on acid soil is majorly affected by the aluminium (Al) toxicity. Plants grow in soil that has increased levels of toxic Al and may show symptoms of nutrient deficiency, like pale color and stunted growth.

Expert Solution & Answer

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Answer 3

Question

Chapter 37, Problem 2IQ

a.

Summary Introduction

To describe: Sustainable agriculture.

Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

b.

Summary Introduction

To describe: N-P-K ratio.

Introduction: In general, the soil lacks essential nutrients that are required for the optimal growth of the plant. Plants require six essential nutrients, namely carbon, oxygen, nitrogen, hydrogen, potassium, and phosphorous. All fertilizer label may provide the information relating to the contents of its N-P-K and it is expressed as number ratio.

c.

Summary Introduction

To describe: The way how soil is associated with toxic aluminium ions (Al³⁺)?

Introduction: The productivity of the crop on acid soil is majorly affected by the aluminium (Al) toxicity. Plants grow in soil that has increased levels of toxic Al and may show symptoms of nutrient deficiency, like pale color and stunted growth.

Expert Solution & Answer

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Answer 4

Question

Chapter 37, Problem 2IQ

a.

Summary Introduction

To describe: Sustainable agriculture.

Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

b.

Summary Introduction

To describe: N-P-K ratio.

Introduction: In general, the soil lacks essential nutrients that are required for the optimal growth of the plant. Plants require six essential nutrients, namely carbon, oxygen, nitrogen, hydrogen, potassium, and phosphorous. All fertilizer label may provide the information relating to the contents of its N-P-K and it is expressed as number ratio.

c.

Summary Introduction

To describe: The way how soil is associated with toxic aluminium ions (Al³⁺)?

Introduction: The productivity of the crop on acid soil is majorly affected by the aluminium (Al) toxicity. Plants grow in soil that has increased levels of toxic Al and may show symptoms of nutrient deficiency, like pale color and stunted growth.

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Answer 5

Chapter 37, Problem 2IQ

a.

Summary Introduction

To describe: Sustainable agriculture.

Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

b.

Summary Introduction

To describe: N-P-K ratio.

Introduction: In general, the soil lacks essential nutrients that are required for the optimal growth of the plant. Plants require six essential nutrients, namely carbon, oxygen, nitrogen, hydrogen, potassium, and phosphorous. All fertilizer label may provide the information relating to the contents of its N-P-K and it is expressed as number ratio.

c.

Summary Introduction

To describe: The way how soil is associated with toxic aluminium ions (Al³⁺)?

Introduction: The productivity of the crop on acid soil is majorly affected by the aluminium (Al) toxicity. Plants grow in soil that has increased levels of toxic Al and may show symptoms of nutrient deficiency, like pale color and stunted growth.

Answer 6

Chapter 37, Problem 2IQ

a.

Summary Introduction

To describe: Sustainable agriculture.

Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

Answer 7

Chapter 37, Problem 2IQ

a.

Summary Introduction

To describe: Sustainable agriculture.

Introduction: Agriculture is defined as the process of cultivating plants and livestock. In the soil, agriculture removes mineral nutrients, whereas fertilization replaces them. Commercially produced fertilizers, phosphorous, nitrogen, and potassium, quickly leach out from the soil and as a result, lakes and streams get polluted.

Answer 8

b.

Summary Introduction

To describe: N-P-K ratio.

Introduction: In general, the soil lacks essential nutrients that are required for the optimal growth of the plant. Plants require six essential nutrients, namely carbon, oxygen, nitrogen, hydrogen, potassium, and phosphorous. All fertilizer label may provide the information relating to the contents of its N-P-K and it is expressed as number ratio.

Answer 9

b.

Summary Introduction

To describe: N-P-K ratio.

Introduction: In general, the soil lacks essential nutrients that are required for the optimal growth of the plant. Plants require six essential nutrients, namely carbon, oxygen, nitrogen, hydrogen, potassium, and phosphorous. All fertilizer label may provide the information relating to the contents of its N-P-K and it is expressed as number ratio.

Answer 10

c.

Summary Introduction

To describe: The way how soil is associated with toxic aluminium ions (Al³⁺)?

Introduction: The productivity of the crop on acid soil is majorly affected by the aluminium (Al) toxicity. Plants grow in soil that has increased levels of toxic Al and may show symptoms of nutrient deficiency, like pale color and stunted growth.

Answer 11

c.

Summary Introduction

To describe: The way how soil is associated with toxic aluminium ions (Al³⁺)?

Introduction: The productivity of the crop on acid soil is majorly affected by the aluminium (Al) toxicity. Plants grow in soil that has increased levels of toxic Al and may show symptoms of nutrient deficiency, like pale color and stunted growth.

Answer 12

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Answer 13

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Answer 14

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Answer 15

Ch. 37 - Describe the characteristics of a fertile soil.Ch. 37 - Prob. 2IQ Ch. 37 - Prob. 3IQ Ch. 37 - Prob. 4IQ Ch. 37 - Prob. 5IQ Ch. 37 - Prob. 6IQ Ch. 37 - Prob. 7IQ Ch. 37 - Prob. 1SYK Ch. 37 - What are the similarities and differences between...Ch. 37 - The most fertile type of soil is usually a. sand,...

Solution Summary: The author explains that sustainable agriculture is characterized by a range of conservation-minded, environmentally safe and profitable ways of farming.

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